The adolescent brain is best described as a work in progress. Our brains are about 90-95% of their maximum size by the time we are 6 years old, but they are definitely not finished changing! Massive changes continue to occur over the next 15-20 years, as connections within the brain are strengthened and refined. Adolescent brain development can be divided into three processes: proliferation, pruning and myelination.
What is different about the teenage brain? Brain development happens over time and generally occurs back to front. This means that the frontal lobe, and pre-frontal cortex, which control executive functions, and are critical to decision making, are some of the last areas of the brain to fully develop.
Other parts of the brain, including those involved with thrill-seeking behavior, reward mechanisms, and intense emotion, come online earlier in the process.
Just as a toddler is able to walk before he or she has the judgment to stay away from dangerous situations (such as the top of a flight of stairs), teenagers can also find themselves in precarious situations for which they are not adequately prepared, from a brain development point of view.
This partly explains some of the risk-taking behavior and poor decision making that is often associated with teens.
Adolescence is a time of growth and maturation in the brain, and it is also a time when many new behaviours begin to emerge (most of which irritate and frustrate parents!). These changes include changes in attention, in motivation and in risk-taking behaviour. Surprisingly, many of these behaviours are a direct result of brain changes, and are completely NORMAL!
The adolescent brain is best described as a work in progress. Our brains are about 90-95% of their maximum size by the time we are 6 years old, but they are definitely not finished changing! Massive changes continue to occur over the next 15-20 years, as connections within the brain are strengthened and refined. Adolescent brain development can be divided into three processes: proliferation, pruning and myelination.
What is different about the teenage brain? Brain development happens over time and generally occurs back to front. This means that the frontal lobe, and pre-frontal cortex, which control executive functions, and are critical to decision making, are some of the last areas of the brain to fully develop.
Other parts of the brain, including those involved with thrill-seeking behavior, reward mechanisms, and intense emotion, come online earlier in the process.
Just as a toddler is able to walk before he or she has the judgment to stay away from dangerous situations (such as the top of a flight of stairs), teenagers can also find themselves in precarious situations for which they are not adequately prepared, from a brain development point of view.
This partly explains some of the risk-taking behavior and poor decision making that is often associated with teens.
Adolescence is a time of growth and maturation in the brain, and it is also a time when many new behaviours begin to emerge (most of which irritate and frustrate parents!). These changes include changes in attention, in motivation and in risk-taking behaviour. Surprisingly, many of these behaviours are a direct result of brain changes, and are completely NORMAL!
Incorporating Adolescent Brain Development Research into Youth Programming National Safe Place
This webinar will review adolescent brain development research and provide tips for practical application in youth programming. During the webinar, we will provide an overview of how the teen brain functions and outline ways in which adults can structure opportunities and interactions that will encourage cognitive development, help youth recognize risks and opportunities and minimize factors that inhibit brain development.
A presentation I created for a Human Behavior in the Social Environment course at Radford University on several key ideas of adolescents. Feedback is appreciated.
Screen Time and the Young Child: Strategies for BalanceStaci Trekles
Presentation on screen time and strategies for balancing technology exposure with other learning activities for early learners. For the Early Childhood Education Conference at Purdue University North Central, April 26, 2014
Mental Health Conditions Among Children – A Growing ProblemSastasundar
Mental disorders in children are quite common, occurring in about one-quarter of this age group in any given year. The most common childhood mental disorders are anxiety disorders, depression, and attention deficit hyperactivity disorder (ADHD).
Concept 'adulthood' (three phases: early, middle and late adulthood); Developmental aspects of early adulthood, cognitive development during early adulthood, personality and social development during early adulthood, Personality development, cognitive development (memory and intelligence); Social and Emotional development.
Presentation developed for the Traffic Safety Summit held in Dallas, TX 11.15.07. Gives a basic overview of the adolescent brain development and the effects of harmful substances (drugs and alcohol), especially in regards to driving.
Incorporating Adolescent Brain Development Research into Youth Programming National Safe Place
This webinar will review adolescent brain development research and provide tips for practical application in youth programming. During the webinar, we will provide an overview of how the teen brain functions and outline ways in which adults can structure opportunities and interactions that will encourage cognitive development, help youth recognize risks and opportunities and minimize factors that inhibit brain development.
A presentation I created for a Human Behavior in the Social Environment course at Radford University on several key ideas of adolescents. Feedback is appreciated.
Screen Time and the Young Child: Strategies for BalanceStaci Trekles
Presentation on screen time and strategies for balancing technology exposure with other learning activities for early learners. For the Early Childhood Education Conference at Purdue University North Central, April 26, 2014
Mental Health Conditions Among Children – A Growing ProblemSastasundar
Mental disorders in children are quite common, occurring in about one-quarter of this age group in any given year. The most common childhood mental disorders are anxiety disorders, depression, and attention deficit hyperactivity disorder (ADHD).
Concept 'adulthood' (three phases: early, middle and late adulthood); Developmental aspects of early adulthood, cognitive development during early adulthood, personality and social development during early adulthood, Personality development, cognitive development (memory and intelligence); Social and Emotional development.
Presentation developed for the Traffic Safety Summit held in Dallas, TX 11.15.07. Gives a basic overview of the adolescent brain development and the effects of harmful substances (drugs and alcohol), especially in regards to driving.
Martyn Richards of OPERA Research reviews what we know about the teenage brain - and what implications this has for cultural marketers. Paper presented at Audiences Europe Network Barcelona Conference 2005. www.audienceseurope.net
Executive Functions
- Definitions and characteristics
- Five Premises
- Development and Training
- Relationship to "self-regulation," "emotional control" and "Theory of Mind".
Connections: The Learning Sciences Platform work is focus on:
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This work is complemented with “in situ” accomplaniment and joint research.
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A presentation by Ellen O’Donnell, PhD, Staff Psychologist, Massachusetts General Hospital, at JDRF New England chapter's 2nd Annual “Living Well with T1D” Symposium on March 3, 2013.
The development of human brain will be completed only by the age of 25 yrs. The centre for reasoning and higher level of thinking are the last to mature. The persons of age below 25 exhibit unpredictable and risky behaviour only because of the immature brain.
Taken from this site for use by those without ppt application.
http://www2.le.ac.uk/departments/engineering/research/bioengineering/neuroengineering-lab/spike-sorting
Yeah, i'm too lazy to open up adobe...
enjoy!
(I hear NSHS has a record number of students attending this year!)
[which means that ass kicking is mandatory]
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Ve...kevinkariuki227
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
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NVBDCP.pptx Nation vector borne disease control programSapna Thakur
NVBDCP was launched in 2003-2004 . Vector-Borne Disease: Disease that results from an infection transmitted to humans and other animals by blood-feeding arthropods, such as mosquitoes, ticks, and fleas. Examples of vector-borne diseases include Dengue fever, West Nile Virus, Lyme disease, and malaria.
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- Video recording of this lecture in English language: https://youtu.be/lK81BzxMqdo
- Video recording of this lecture in Arabic language: https://youtu.be/Ve4P0COk9OI
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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.
These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
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Title: Sense of Taste
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the structure and function of taste buds.
Describe the relationship between the taste threshold and taste index of common substances.
Explain the chemical basis and signal transduction of taste perception for each type of primary taste sensation.
Recognize different abnormalities of taste perception and their causes.
Key Topics:
Significance of Taste Sensation:
Differentiation between pleasant and harmful food
Influence on behavior
Selection of food based on metabolic needs
Receptors of Taste:
Taste buds on the tongue
Influence of sense of smell, texture of food, and pain stimulation (e.g., by pepper)
Primary and Secondary Taste Sensations:
Primary taste sensations: Sweet, Sour, Salty, Bitter, Umami
Chemical basis and signal transduction mechanisms for each taste
Taste Threshold and Index:
Taste threshold values for Sweet (sucrose), Salty (NaCl), Sour (HCl), and Bitter (Quinine)
Taste index relationship: Inversely proportional to taste threshold
Taste Blindness:
Inability to taste certain substances, particularly thiourea compounds
Example: Phenylthiocarbamide
Structure and Function of Taste Buds:
Composition: Epithelial cells, Sustentacular/Supporting cells, Taste cells, Basal cells
Features: Taste pores, Taste hairs/microvilli, and Taste nerve fibers
Location of Taste Buds:
Found in papillae of the tongue (Fungiform, Circumvallate, Foliate)
Also present on the palate, tonsillar pillars, epiglottis, and proximal esophagus
Mechanism of Taste Stimulation:
Interaction of taste substances with receptors on microvilli
Signal transduction pathways for Umami, Sweet, Bitter, Sour, and Salty tastes
Taste Sensitivity and Adaptation:
Decrease in sensitivity with age
Rapid adaptation of taste sensation
Role of Saliva in Taste:
Dissolution of tastants to reach receptors
Washing away the stimulus
Taste Preferences and Aversions:
Mechanisms behind taste preference and aversion
Influence of receptors and neural pathways
Impact of Sensory Nerve Damage:
Degeneration of taste buds if the sensory nerve fiber is cut
Abnormalities of Taste Detection:
Conditions: Ageusia, Hypogeusia, Dysgeusia (parageusia)
Causes: Nerve damage, neurological disorders, infections, poor oral hygiene, adverse drug effects, deficiencies, aging, tobacco use, altered neurotransmitter levels
Neurotransmitters and Taste Threshold:
Effects of serotonin (5-HT) and norepinephrine (NE) on taste sensitivity
Supertasters:
25% of the population with heightened sensitivity to taste, especially bitterness
Increased number of fungiform papillae