این ارائه توسط دکتر خیاط زاده در کارگاه رویکرد جدید بوبات در توانبخشی کودکان مبتلا به فلج مغزی ارائه گردیده است.
برای مطالعه مطالب بیشتر در این زمینه، به وب سایت فروردین مراجعه نمایید.
https://www.farvardin-group.com
The Bobath concept is a problem-solving approach used in the evaluation and treatment of individuals with movement and postural control disturbances due to a lesion of the central nervous system.
It is named after Berta Bobath, a physiotherapist, and her husband Karel Bobath, a psychiatrist/neuropsychiatrist, who proposed the approach for treating patients affected with Central Nervous System anomalies.
Procedure: in a “trial & error” fashion in 1948.
Concept of compensatory training.
Neglects the potential of hemiplegic side.
It is an interactive problem-solving approach that focuses on continuing reassessment with attention to individual goals, developing working hypotheses, treatment plans, and relevant objective measures to evaluate interventions.
Therapist should have:
Good posture & movement analysis skills.
PRINCIPLES
NDT THERAPY WORKS
ALWAYS TREAT THE PATIENT AS A WHOLE
WORK SIMULTANEOUSLY ON PATIENTS STRENGTHS & WEAKNESSES
INDIVIDUALIZED FOR EVERY PATIENT BASED ON ICF MODEL
GAIN THE INFORMATION FROM PAST, PRESENT & FUTURE
TEAMWORK IS CRITICAL FOR REHAB PURPOSES
UNDERSTANDING THE CONCEPT OF TYPICAL DEVELOPMENT (MOTOR CONTROL)
TRANSFERENCE OF TRAINING IN DAILY LIFE
HANDS ON INTERVENTION TO ENHANCE MOTOR LEARNING & FUNCTIONS
It is a technique developed by Janet H Carr and Roberta B Shepherd which provides physiotherapists and occupational therapists with an approach to stroke rehabilitation that is clear, relevant, and effective, building on the research-based model created by the authors
Retraining of motor control basing on understanding of normal movement & analysis of motor dysfunction.
Emphasis of MRP is on practice of specific activities, the training of cognitive control over muscles & movt. Components of activities & conscious elimination of unnecessary muscle activity.
In rehabilitation programme involve – real life activities included.
Hierachical theory- says that higher centers control on lower center; but when higher center damage then this inhibitory control from the higher center is loss which leads to exageration of the movt.
In normal individual, these occur a smooth, rhythmic movt. Because there is a presence of control from higher center on lower center.
constraint induced movement therapy.pptxibtesaam huma
Constraint induced movement therapy
Dr. Quazi Ibtesaam Huma (MPT)
Dr. Suvarna Ganvir (Phd, Prof & HOD)
Dept. of Neurophysiotherapy
DVVPF’s College of Physiotherapy
Content
Introduction
History of CIMT
Components of CIMT
Population for CIMT
Advantages of CIMT
Recent advances
Introduction
History of CIMT
CIMT is based on research by Edward Taub ,his hypothesize that the non use was a learning mechanism and calls this behavior “Learned non-use”.
It was observed that patients with hemiparesis did not use their affected extremity .
Overcoming learned non use
Mechanisms of CIMT
Population for CIMT
Stroke
Traumatic Brain Injury
Spinal Cord Injury
Multiple Sclerosis
Cerebral Palsy
Brachial Plexus Injury
Advantages of CIMT
Overall greater improvement in function than traditional treatment.
Highly researched and credible treatment approach.
There are brain activity and observed gray matter reorganization in primary motor, cortices and hippocampus.
Increase social participation
Components Of CIMT
Types of CIMT
Restraining Tools for CIMT
Minimal Requirement of hand function for CIMT
Recent Advances
The EXCITE Trial: Retention of Improved Upper Extremity Function Among Stroke Survivors Receiving CI Movement Therapy.(2008)
The Extremity Constraint Induced Movement Therapy Evaluation (EXCITE) demonstrated that CIMT administered 3-9 months post-stroke, resulted in statistically significant and clinically relevant improvement in upper extremity function during the first year compared to those achieved by participants undergoing usual and customary care.
This study was the first randomized clinical trial to examine retention and improvements for the 24 month period following CIMT therapy in a subacute sample.
Study design - single masked cross-over design, with participants undergoing adaptive randomization to balance ,gender, prestroke dominant side, side of stroke, and level of paretic arm function across sites.
CIMT was delivered up to 6 hours per day, 5 days per week for 2 weeks.
Subsequent evaluations were made after the two week period, and at 4, 8, and 12 months.
Because the control group was crossed over to receive CIMT after one year.
Primary outcome measures – Wolf Motor Function Test
Motor Activity Log
Secondary outcome measure - Stroke Impact Scale (SIS)
were assessed at each of these time intervals, was administered only at baseline, 4, 12, 16 and 24 month evaluations.
Result :There was no observed regression from the treatment effects observed at 12 months after treatment during the next 12 months for the primary outcome measures of WMFT and MAL.
In fact, the additional changes were in the direction of increased therapeutic effect. For the strength components of the WMFT the changes were significant (P < .05) Secondary outcome variables, including the SIS, exhibited a similar pattern.
Conclusion: Mild to moderately impaired patients who are 3-9 months post-stroke demonstrate
Neurodevelopemental Therapy (Bobath approach)- Principles and EvidenceSusan Jose
Here we present a widely used neurophysiotherapeutic approch - NDT, exploring its current principles and throwing a glance at the historical development and why it is being so widely practice.
does it really have that evidance base?
Find more as you click on. Give a like if I helped you learn or clear concepts. Thankyou. Love you all. Lets learn more.
Mental imagery technique recently used as motor imagery. Theories of mental imagery developed by psychologists till date and use of this technique in the improvement of function has lot of evidences.
The discipline of Motor Control is the study of human movement and the systems that control it under normal and pathological conditions.
Depends upon -
Environmental result of the movement (Outcome)
Movement pattern
Neuromotor processes underlying movement
Concept given by Shacklock (modern concept) and Butler (old concept), a method of assessment as well as treatment of peripheral neurological system by physiotherapists.
Part-I: The current slideshow: theoretical aspect of neurodynamics.
Part-II: Assessment of peripheral nervous system on the basis of neurodynamic concepts: Date: 01/04/2020
Part-III: treatment part: Date: 03/04/2020
Part-IV: Self neurodynamics: 05/04/2020
The neurophysiology of posture and movement. Its postural framework and CNS structures involved in the control of postural movement and postural reflexes. The influence of muscle tone on posture.
Children with cerebral palsy can be given good functional improvement with the combination of advance therapeutic modality & measure to control spasticity . Earlier, we use to focus on child deformity & functional deficit but now literature are coming in the favor of change in environment and task oriented therapy .For getting best outcome we should not hesitate in using best combination of therapeutic modality. Treatment protocol should be based on detail assessment. Results are always good if we use combination of child focus therapy as well context therapy program .
این ارائه توسط دکتر خیاط زاده در کارگاه رویکرد جدید بوبات در توانبخشی کودکان مبتلا به فلج مغزی ارائه گردیده است.
برای مطالعه مطالب بیشتر در این زمینه، به وب سایت فروردین مراجعه نمایید.
https://www.farvardin-group.com
The Bobath concept is a problem-solving approach used in the evaluation and treatment of individuals with movement and postural control disturbances due to a lesion of the central nervous system.
It is named after Berta Bobath, a physiotherapist, and her husband Karel Bobath, a psychiatrist/neuropsychiatrist, who proposed the approach for treating patients affected with Central Nervous System anomalies.
Procedure: in a “trial & error” fashion in 1948.
Concept of compensatory training.
Neglects the potential of hemiplegic side.
It is an interactive problem-solving approach that focuses on continuing reassessment with attention to individual goals, developing working hypotheses, treatment plans, and relevant objective measures to evaluate interventions.
Therapist should have:
Good posture & movement analysis skills.
PRINCIPLES
NDT THERAPY WORKS
ALWAYS TREAT THE PATIENT AS A WHOLE
WORK SIMULTANEOUSLY ON PATIENTS STRENGTHS & WEAKNESSES
INDIVIDUALIZED FOR EVERY PATIENT BASED ON ICF MODEL
GAIN THE INFORMATION FROM PAST, PRESENT & FUTURE
TEAMWORK IS CRITICAL FOR REHAB PURPOSES
UNDERSTANDING THE CONCEPT OF TYPICAL DEVELOPMENT (MOTOR CONTROL)
TRANSFERENCE OF TRAINING IN DAILY LIFE
HANDS ON INTERVENTION TO ENHANCE MOTOR LEARNING & FUNCTIONS
It is a technique developed by Janet H Carr and Roberta B Shepherd which provides physiotherapists and occupational therapists with an approach to stroke rehabilitation that is clear, relevant, and effective, building on the research-based model created by the authors
Retraining of motor control basing on understanding of normal movement & analysis of motor dysfunction.
Emphasis of MRP is on practice of specific activities, the training of cognitive control over muscles & movt. Components of activities & conscious elimination of unnecessary muscle activity.
In rehabilitation programme involve – real life activities included.
Hierachical theory- says that higher centers control on lower center; but when higher center damage then this inhibitory control from the higher center is loss which leads to exageration of the movt.
In normal individual, these occur a smooth, rhythmic movt. Because there is a presence of control from higher center on lower center.
constraint induced movement therapy.pptxibtesaam huma
Constraint induced movement therapy
Dr. Quazi Ibtesaam Huma (MPT)
Dr. Suvarna Ganvir (Phd, Prof & HOD)
Dept. of Neurophysiotherapy
DVVPF’s College of Physiotherapy
Content
Introduction
History of CIMT
Components of CIMT
Population for CIMT
Advantages of CIMT
Recent advances
Introduction
History of CIMT
CIMT is based on research by Edward Taub ,his hypothesize that the non use was a learning mechanism and calls this behavior “Learned non-use”.
It was observed that patients with hemiparesis did not use their affected extremity .
Overcoming learned non use
Mechanisms of CIMT
Population for CIMT
Stroke
Traumatic Brain Injury
Spinal Cord Injury
Multiple Sclerosis
Cerebral Palsy
Brachial Plexus Injury
Advantages of CIMT
Overall greater improvement in function than traditional treatment.
Highly researched and credible treatment approach.
There are brain activity and observed gray matter reorganization in primary motor, cortices and hippocampus.
Increase social participation
Components Of CIMT
Types of CIMT
Restraining Tools for CIMT
Minimal Requirement of hand function for CIMT
Recent Advances
The EXCITE Trial: Retention of Improved Upper Extremity Function Among Stroke Survivors Receiving CI Movement Therapy.(2008)
The Extremity Constraint Induced Movement Therapy Evaluation (EXCITE) demonstrated that CIMT administered 3-9 months post-stroke, resulted in statistically significant and clinically relevant improvement in upper extremity function during the first year compared to those achieved by participants undergoing usual and customary care.
This study was the first randomized clinical trial to examine retention and improvements for the 24 month period following CIMT therapy in a subacute sample.
Study design - single masked cross-over design, with participants undergoing adaptive randomization to balance ,gender, prestroke dominant side, side of stroke, and level of paretic arm function across sites.
CIMT was delivered up to 6 hours per day, 5 days per week for 2 weeks.
Subsequent evaluations were made after the two week period, and at 4, 8, and 12 months.
Because the control group was crossed over to receive CIMT after one year.
Primary outcome measures – Wolf Motor Function Test
Motor Activity Log
Secondary outcome measure - Stroke Impact Scale (SIS)
were assessed at each of these time intervals, was administered only at baseline, 4, 12, 16 and 24 month evaluations.
Result :There was no observed regression from the treatment effects observed at 12 months after treatment during the next 12 months for the primary outcome measures of WMFT and MAL.
In fact, the additional changes were in the direction of increased therapeutic effect. For the strength components of the WMFT the changes were significant (P < .05) Secondary outcome variables, including the SIS, exhibited a similar pattern.
Conclusion: Mild to moderately impaired patients who are 3-9 months post-stroke demonstrate
Neurodevelopemental Therapy (Bobath approach)- Principles and EvidenceSusan Jose
Here we present a widely used neurophysiotherapeutic approch - NDT, exploring its current principles and throwing a glance at the historical development and why it is being so widely practice.
does it really have that evidance base?
Find more as you click on. Give a like if I helped you learn or clear concepts. Thankyou. Love you all. Lets learn more.
Mental imagery technique recently used as motor imagery. Theories of mental imagery developed by psychologists till date and use of this technique in the improvement of function has lot of evidences.
The discipline of Motor Control is the study of human movement and the systems that control it under normal and pathological conditions.
Depends upon -
Environmental result of the movement (Outcome)
Movement pattern
Neuromotor processes underlying movement
Concept given by Shacklock (modern concept) and Butler (old concept), a method of assessment as well as treatment of peripheral neurological system by physiotherapists.
Part-I: The current slideshow: theoretical aspect of neurodynamics.
Part-II: Assessment of peripheral nervous system on the basis of neurodynamic concepts: Date: 01/04/2020
Part-III: treatment part: Date: 03/04/2020
Part-IV: Self neurodynamics: 05/04/2020
The neurophysiology of posture and movement. Its postural framework and CNS structures involved in the control of postural movement and postural reflexes. The influence of muscle tone on posture.
Children with cerebral palsy can be given good functional improvement with the combination of advance therapeutic modality & measure to control spasticity . Earlier, we use to focus on child deformity & functional deficit but now literature are coming in the favor of change in environment and task oriented therapy .For getting best outcome we should not hesitate in using best combination of therapeutic modality. Treatment protocol should be based on detail assessment. Results are always good if we use combination of child focus therapy as well context therapy program .
Motor learning: Foundations for clinical practiceMohsen Sarhady
پس از بررسی پارادایمهای توانبخشی حرکتی به معرفی نظریه ی سیستمهای پویا در کنترل حرکت پرداخته شده است و سپس مباحث مختلف یادگیری حرکتی از جمله طبقه بندی مهارتهای حرکتی، مراحل یادگیری حرکتی، انواع تمرین و انواع فیدبک افزوده بیان شده است.
You will know what a motor control is
What are the theories and clinical implications of motor control
Physiology of motor control
Latest evidence on motor control in a musculoskeletal condition
این پاورپوینت خلاصه شده فصل شش یکی از کتابهای مربوط به علوم اعصاب است. این پاورپوینت در کارگاه تخصصی توانبخشی دیداری عصبی توسط دکتر علیزاده ارائه شده است.
Beyond nerve repair, looking at the central mechanism in adaptation, compensation, remodelling and plasticity in upper and lower motor neurone lesions. New neural pathways in motor control for grasp.
Understanding the various theories of motor control- reflex-hierarchal theory, ecological theory, dynamic systems theory and it's clinical application; also forming the basis of neurological rehabilitation techniques like Task-orient approach, Constraint induced movement therapy (CIMT), NDT (Neurodevelopmental Facilitation).
micro teaching on communication m.sc nursing.pdfAnurag Sharma
Microteaching is a unique model of practice teaching. It is a viable instrument for the. desired change in the teaching behavior or the behavior potential which, in specified types of real. classroom situations, tends to facilitate the achievement of specified types of objectives.
Recomendações da OMS sobre cuidados maternos e neonatais para uma experiência pós-natal positiva.
Em consonância com os ODS – Objetivos do Desenvolvimento Sustentável e a Estratégia Global para a Saúde das Mulheres, Crianças e Adolescentes, e aplicando uma abordagem baseada nos direitos humanos, os esforços de cuidados pós-natais devem expandir-se para além da cobertura e da simples sobrevivência, de modo a incluir cuidados de qualidade.
Estas diretrizes visam melhorar a qualidade dos cuidados pós-natais essenciais e de rotina prestados às mulheres e aos recém-nascidos, com o objetivo final de melhorar a saúde e o bem-estar materno e neonatal.
Uma “experiência pós-natal positiva” é um resultado importante para todas as mulheres que dão à luz e para os seus recém-nascidos, estabelecendo as bases para a melhoria da saúde e do bem-estar a curto e longo prazo. Uma experiência pós-natal positiva é definida como aquela em que as mulheres, pessoas que gestam, os recém-nascidos, os casais, os pais, os cuidadores e as famílias recebem informação consistente, garantia e apoio de profissionais de saúde motivados; e onde um sistema de saúde flexível e com recursos reconheça as necessidades das mulheres e dos bebês e respeite o seu contexto cultural.
Estas diretrizes consolidadas apresentam algumas recomendações novas e já bem fundamentadas sobre cuidados pós-natais de rotina para mulheres e neonatos que recebem cuidados no pós-parto em unidades de saúde ou na comunidade, independentemente dos recursos disponíveis.
É fornecido um conjunto abrangente de recomendações para cuidados durante o período puerperal, com ênfase nos cuidados essenciais que todas as mulheres e recém-nascidos devem receber, e com a devida atenção à qualidade dos cuidados; isto é, a entrega e a experiência do cuidado recebido. Estas diretrizes atualizam e ampliam as recomendações da OMS de 2014 sobre cuidados pós-natais da mãe e do recém-nascido e complementam as atuais diretrizes da OMS sobre a gestão de complicações pós-natais.
O estabelecimento da amamentação e o manejo das principais intercorrências é contemplada.
Recomendamos muito.
Vamos discutir essas recomendações no nosso curso de pós-graduação em Aleitamento no Instituto Ciclos.
Esta publicação só está disponível em inglês até o momento.
Prof. Marcus Renato de Carvalho
www.agostodourado.com
ARTIFICIAL INTELLIGENCE IN HEALTHCARE.pdfAnujkumaranit
Artificial intelligence (AI) refers to the simulation of human intelligence processes by machines, especially computer systems. It encompasses tasks such as learning, reasoning, problem-solving, perception, and language understanding. AI technologies are revolutionizing various fields, from healthcare to finance, by enabling machines to perform tasks that typically require human intelligence.
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Couples presenting to the infertility clinic- Do they really have infertility...Sujoy Dasgupta
Dr Sujoy Dasgupta presented the study on "Couples presenting to the infertility clinic- Do they really have infertility? – The unexplored stories of non-consummation" in the 13th Congress of the Asia Pacific Initiative on Reproduction (ASPIRE 2024) at Manila on 24 May, 2024.
Explore natural remedies for syphilis treatment in Singapore. Discover alternative therapies, herbal remedies, and lifestyle changes that may complement conventional treatments. Learn about holistic approaches to managing syphilis symptoms and supporting overall health.
Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journeygreendigital
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
Pulmonary Thromboembolism - etilogy, types, medical- Surgical and nursing man...VarunMahajani
Disruption of blood supply to lung alveoli due to blockage of one or more pulmonary blood vessels is called as Pulmonary thromboembolism. In this presentation we will discuss its causes, types and its management in depth.
Knee anatomy and clinical tests 2024.pdfvimalpl1234
This includes all relevant anatomy and clinical tests compiled from standard textbooks, Campbell,netter etc..It is comprehensive and best suited for orthopaedicians and orthopaedic residents.
New Drug Discovery and Development .....NEHA GUPTA
The "New Drug Discovery and Development" process involves the identification, design, testing, and manufacturing of novel pharmaceutical compounds with the aim of introducing new and improved treatments for various medical conditions. This comprehensive endeavor encompasses various stages, including target identification, preclinical studies, clinical trials, regulatory approval, and post-market surveillance. It involves multidisciplinary collaboration among scientists, researchers, clinicians, regulatory experts, and pharmaceutical companies to bring innovative therapies to market and address unmet medical needs.
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
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Report Back from SGO 2024: What’s the Latest in Cervical Cancer?bkling
Are you curious about what’s new in cervical cancer research or unsure what the findings mean? Join Dr. Emily Ko, a gynecologic oncologist at Penn Medicine, to learn about the latest updates from the Society of Gynecologic Oncology (SGO) 2024 Annual Meeting on Women’s Cancer. Dr. Ko will discuss what the research presented at the conference means for you and answer your questions about the new developments.
Report Back from SGO 2024: What’s the Latest in Cervical Cancer?
Neuronal group selection theory
1. 1
Neuronal Group Selection Theory
A framework for understanding and treating
disordered motor behavior in children
Mohsen Sarhady MSc. OT
2. Outline:
1. The importance of Theory
2. Theories of Motor Development:
Neuromaturation & Dynamic systems
3. NGST: Mechanisms and Processes
4. NGST: Typical Development
5. NGST: Atypical Development
6. NGST: Suggestions for Intervention
2
3. Theory and Practice
3
There is nothing as practical as a good theoryThere is nothing as practical as a good theory
Kurt Lewin
4. Theory and Practice
In General:
A way of seeing the world
A way for gathering an recording data
A way to Influence the world
In Therapy:
A specific way to define the Typical development.
A specific way to define the Atypical development.
A specific way to Intervene.
4
5. History of Developmental Theory
Two Distinct Point of view:
Nativism: Behavioral (re)actions present at birth and
just need to be unfolded.
Environmentalism: Structure Derives from
experience.
Different names for an old debate:
Nativism Vs. Epigenetism
Nature Vs. Nurture
Innateness Vs. Environmentalism
Instructionism Vs. Constructivism
Maturation Vs. Learning
5
6. Theories of Motor Development
The Traditional:
Neuromaturation Theories
The Contemporary:
Dynamic System Theories
The Modern:
Neuronal Group Selection Theory
6
7. Neuromaturation Theory
Typical Development:
Most Primitive Reflexes to More Intentional Movements
Lower centers control gradually replaces by Higher Centers
Proximo-distal and Cephalo-caudal
Stages and Milestones
Atypical Development:
Primitive motor behavior
Removed higher control and released lower centers
Delay or inability in acquiring milestones
Intervention:
Inhibition-Facilitation
Sensory Stimulation
Advancing milestones
7
8. Dynamic Systems Theory
Dynamic System is Complex
Dynamic System’s behavior is Non-Linear
Dynamic System Self-Organizes
Dynamic System Keep itself in Non-
Equilibrium
8
9. Dynamic System Theory
Movement is produced from the interaction of multiple sub-systems
within the person, task and environment.
All of the sub-systems spontaneously self-organize, or come together
and interact in a specific way, to produce the most efficient movement
solution for each specific task.
No sub-system is most important.
Development is a non-linear process. movement is not developed in a
continuous manner, at a steady rate. Rather, a small, but critical
change in one sub-system can cause the whole system to shift,
resulting in a new motor behaviour(phase shift).
9
12. Dynamic Systems Theory and Intervention
Considering All Interacting systems
Identifying Constraints
Identifying Control Parameters
Perturbing Stable Inefficient State attractors
Creating new attractor states
Activity-Focused, Task-Oriented, Function-Based
Intervention
12
15. 15
Basic Tenets
1.Development of brain species-specific yet unique
anatomy (Formation of Primary Repertoire(
2.Selection by Experience and formation of Secondary
Repertoire
3.Reentry and Global Mapping
16. 16
Tenet 1:Formation of Primary Repertoire
Genetic code and activity of specific molecules
determine borders of neural areas in the brain.
Neurons compete to make connection.
Diversity results.
The resulting system provides the infant with a primary
repertoire of species-specific yet unique behaviors.
17. 17
Tenet 1 (continued(
In newborns this repertoire includes:
1(orienting the head and eyes toward light
2(bringing the mouth to the hand
3(sucking and rooting on the fist or nipple
4(following moving objects with the eyes
5(preference for the human face
6(projecting the arms toward moving objects
7(kicking
8(orienting the head toward vertical and toward sound
18. 18
Tenet 2:Formation of Secondary
Repertoire by Selection
Experience of spontaneous movement activates sensory
receptors.
Secondary repertoire of functional circuits carve out from the
many existing possible neuronal groups.
Neuronal groups that receive input become more strongly
interconnected through enhancement of pre- and post-
synaptic efficacy.
Neuronal groups are selected that meet task requirements
efficiently.
19. 19
Tenet 3: Reentry and global
mapping
Multiple systems (networks or neuronal groups(
integrate in a distributed whole:
As a result of selection of neuronal groups and their
strengthening through use, maps develop.
These maps connect vast areas of the nervous system such
that perception, cognition, emotion and movement control
are interconnected in the organization of spontaneous
movements or movements in response to environmental
and task demands.
20. 20
Reentry
These reciprocal connections, as they carry action potentials
and modify synaptic strengths, integrate and synchronize the
different activities of various specific brain areas.
21. 21
Principles and mechanisms
1.Epigenesis: development guided by evolution and genetics
but experience expectant
2.Redundancy: isomorphic and isofunctional networks
3.Degeneracy: non-isomorphic but isofunctional networks
4.Selection: experience-dependent or driven
Developmental: temporal correlation of input (neurons fire
together, wire together(
Experiential: change in synaptic power
5.Competition: readjustment of maps
6.Re-entry: process of global maps formation
22. 22
According to NGST:
There is no central controller or instructor.
There are no motor programs.
There are no computations.
Brain development occurs through movement activating sensory
receptors, not in a stimulus-response mode.
The brain is not hard-wired and as a result has both individual
uniqueness and lifelong plasticity.
The degrees of freedom problem in movement control is solved
through selection of the most appropriate neuronal groups, given
the task and current status of the body systems, not through a
computational process.
23. 23
Normal Motor Development
according to NGST
Development of motor behavior has three
phases:
1.Primary Variability
2.Selection
3.Secondary Variability
24. 24
Primary Variability
Non-adaptive or situation-independent activity of epigenetically
determined, grossly specified, primary Neuronal repertoires
Neural system exploration of all motor possibilities available within
neurological and anthropometric constraints set by evolution by
means of self-generated activity and consequently by self-
generated afferent information
Dissection of big networks into several small networks
Abundant variation in motor behavior
Occurring during fetal life and early infancy
25. 25
Selection
Experiential selection of most effective motor patterns and
their associated neuronal groups
Transient minor reduction in motor behavior
Time of selection and duration transition to secondary
variability is function-specific (dependent on task
difficulty(
Occurring during infancy at function-specific ages
26. 26
Secondary Variability
Creation of secondary neuronal repertoire with a large collection of
parallel channels due to exposure to a multitude of experiences
Extensive synaptic rearrangement as a result of synapse formation
and elimination
Variable repertoires with an effective motor solution for each specific
situation
Development of situation specific motor strategies guided by active
trial and error learning
Onset: function-specific from mid-infancy onwards, starting to bloom
at 2-3 years, matures in adolescence
27. 27
Secondary Variability (continued(
Mature Situation
High task constraints: Ability to adapt each movement exactly
and efficiently to task-specific conditions
Low task constraints: Multiple motor solutions or strategies for
a single motor task
28. 28
Development of a movement
repertoire
Schematic diagram of a developing movement repertoire contained in a movement space M. A single
movement within the space is specified by a combination of the movement variable Φ1 andΦ2; it is
represented as a small dot. The dot density represents the frequency with which movements are
executed in a particular region of M. The three frames depict different temporal stages. At the left is the
primary movement repertoire containing several preexistent (or "innate'( movement patterns. The shape
of the movement repertoire evolves with time to include previously unoccupied regions of M or to
exclude others. Hatched regions define movement patterns that correspond to a given task. Movements
within these regions θ meet with positive adaptive value. As a result, their frequency increases. With
time, due to changing environmental and biomechanical constraints, both the movement repertoire and
the regions θ will continue to change shape (see middle and right(.
29. 29
Normal motor development
Neural activity at early age at four
closely spaced points In time.
The filled circles (complete and crossed(
denote neurons genetically
determined to control a specific type
of motor behavior, that is, they
reflect a primary neuronal repertoire.
The open circles represent neurons
genetically linked to other types of
behavior. At the four different points
in time, the filled primary repertoire
is activated in four different
configurations (four different
neuronal groups( (completely filled
circle=active; crossed
circle=inactive(.
This in turn gives rise to primary
variability.
30. 30
Normal motor development
Development proceeds with selection of
the neuronal group, which produces
the most effective behavior
applicable in a wide variation of
conditions.
31. 31
Normal motor development
Next with increasing age, variation
returns, giving rise to the secondary
neuronal repertoire. The variation of
the secondary neuronal repertoire
can best be observed in conditions
lacking tight constraints. in the
absence of specific constraints the
nervous system has access to many
motor solutions for a motor problem.
32. 32
Normal motor development
Yet, in conditions with constraints, a specific
solution produced by the activity of a
specific neuronal group is selected, the
solution being geared to the specifics of
the situation.
35. 35
Abnormal Motor Development
Two groups of developmental movement disorders:
1.Cerebral Palsy
2.Developmental Coordination Disorder
Evidence for damage exists only in 1/3 of DCDs▬► Border-line
CP
Remaining 2/3: dysfunction at the microscopic level of nervous
system (Neurotransmitters or Receptive system(
36. 36
Abnormal Motor Development
Early brain damage results in:
1.Reduced or lost neuronal repertoires:
Large brain damages can result in complete lose of primary
neuronal repertoires.
Small brain damage can result in reduction in primary neuronal
repertoires and in variability of motor behavior.
2.Impaired selection:
Due to deficit in proprioceptive, tactile, or visual information
processing.
37. 37
Abnormal Motor Development
Reduced primary repertoire
Impaired selection due to
disturbed sensory
information processing
Secondary repertoire is equally
reduced as primary
repertoire
Condition specific selection is
hampered
38. 38
NGST and Developmental Motor Disorders
Nervous system Motor dysfunction
Clinical
diagnoses
Deficit in primary variability
No appropriate functional activity in
primary neuronal networks
Very stereotyped motor behavior with virtually no
variation
Postural control: absence of direction specificity
Severe CP
Reduced repertoire of primary
networks
Stereotyped motor behavior with little variation
Postural control: presence of direction specificity,
reduced number of postural variations
Mild to moderate
CP
Complex MND
Deficit in selection
Inappropriate processing of afferent
information
Prolonged persistence of non-adaptive primary
variation in motor behavior
CP (all forms(
Complex MND
Deficit in secondary variability
Inappropriate coordination of
parallel networks of secondary
repertoires
Inappropriate selection of best motor solution for
specific motor tasks
Non-adaptive variations in motor performance
due to non-optimal temporal and quantitative
scaling of motor output
CP (all forms(
Complex MND
Simple MND
39. 39
Characteristics of motor behavior in
developmental motor disorders
First phase: stereotypy with no or little variation;
observable in General movements (GMs( and in
infantile reactions
Second phase: longer duration of and limitation in
selection processes
Last phase: stereotypy, problem in fine tuning and
scaling of motor output, inefficient adaptation to
task conditions
41. 41
Plasticity and recovery after early brain damage
Brain damage at an early age is followed by considerable plastic changes:
The changes are thought to contribute to functional recovery.
The changes vary with the age of the insult and the size of the lesion.
Large plasticity and recovery when the lesion is small and when the lesion
occurs after the completion of neural migration, during the period of
highly active process of dendritic outgrowth and synapse formation.
Considerable plasticity can be expected when lesions occur between
2 to 3 months before and 6 to 8 months after term age
42. 42
Plasticity and recovery after early brain damage
In terms of NGST plasticity could mean that:
The neurons neighboring a lesioned and thus reduced primary
neuronal repertoire change function and become incorporated
into the affected repertoire.
Recovery of the lesion affected function occurs in the form of a
less reduced primary repertoire.
43. 43
Phases of Intervention according to NGST
Two possible phases of intervention:
1.Intervention aiming at an increase of primary
variability and improved selection
2.Intervention aiming at selection out of the variation
of secondary repertoires
44. 44
Putative mechanisms of intervention after brain lesion at early age
NGST suggests that at early age intervention
should focus on augmentation of primary
repertoires.
Plastic changes induced a functional change of
3 neighboring circles with double margins.
Thus, the reorganization resulted in a
restoration of a part of the lost variation.
At older ages, the focus of intervention should
be on the provision of ample opportunities
for active practice, as a richness in
practice might form a compensation for the
impaired selection processes (point of
focus indicated by star symbol(
45. 45
Implications for Practice
Provision of variable but not excessive sensorimotor experiences (e.g. varying
infant’s posture( will increase the primary repertoires.
Frequent and ample opportunities of trial and error experience with considerable
repetition of developmentally appropriate motor skills enhances selection.
Active intensive practice (5 to 7 times per week( results in an enhanced secondary
variability and thus better adapted motor behavior.
46. 46
Implications for Practice (continued(
Repeated experience is necessary to create functional maps than can easily be
accessed by selection for reliable yet flexible motor performance to achieve
multiple functional outcomes.
Movement is the means of activating sensory receptors.
Activity correlates the requirements of body stability, movement strategies, cognition,
memory, experience, and changing environmental demands into a wide variety of
functional, secondary repertoires.
Active self-generated movement strengthens and creates individual neural maps and
more strongly links requirements of postural stability, sensory processing, and
movement patterns to develop flexible action for various tasks.
47. 47
Implications for Practice (continued(
Selection acts to match possible motor commands to constraints posed by body
structure and environment. Varying the environmental constraints and
requirements of various body systems provides increased opportunity for
individuals to select their own strategy to solve motor problems.
Brain damaged children develop only a limited set of global maps with strongly
linked motor synergies that then apply to all tasks. the repeated use of these
limited movement synergies hinders progress in functional skills.
The earlier intervention begins the less likely is the possibility that the child will
form global maps with limited repertoires with poorly organized connections
among selected multiple maps.
48. Thanks to professor Hadders-Algra for reviewing the
presentation slides and useful suggestions.
AND
Thank you ALL for your Attention.
48
Any Question…?
49. 49
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