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Presentation for Chapter 2. "The Human Brain" by Mariya Demidovich

Presentation for Chapter 2. "The Human Brain" by Mariya Demidovich

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  • The Human Brain
    MariyaDemidovich
  • Introduction
    The brain is the largest organ in the body.
    Part of the central nervous system along with the spinal cord.
    Regulates various internal and external body functions
    http://www.simpsonstrivia.com.ar/simpsons-photos/wallpapers/homer-simpson-wallpaper-brain-1024.jpg
  • Anatomy of the Brain
    Hypothalamus: controls and regulates multiple body systems. Regulates the release of hormones to the pituitary gland.
    Pituitary Gland: secretes and regulates many necessary hormones.
    Brain Stem: communicates between spinal cord and brain.
    Spinal Cord: carries impulses from the brain to the rest of the body.
    Cerebellum: coordinates voluntary body movements.
    Pineal Gland: secretes the hormone melatonin which regulates the sleep cycle
    http://www.cksinfo.com/clipart/medicine/anatomy/brain-diagram-1.png
    Cerebrum: the biggest and oldest part of the brain. Major center for integration of higher brain function
  • Cerebrum
    Frontal Lobe:
    -Motor Function
    -Personality
    -Speech
    Temporal Lobe:
    -Hearing
    -Smell
    Occipital Lobe:
    -Vision
    Temporal Lobe:
    -Hearing
    -Smell
    http://www.knutsford-scibar.co.uk/webimages/brain1.jpg
  • How Do We Know So Much about the Brain?
    Electroencephalography (EEG)
    -Records the brain’s activity by using electrodes.
    -Often used in “sleep studies” to help understand any sleep problems that a patient is having.
    Positron-Emission Tomography (PET)
    -detects areas of intense chemically active tissue
    -Can measure oxygen and glucose uptake, blood flow, etc.
    -Measures metabolic activity of the tissue
    -Helps doctors detect tumors in the brain
    Magnetoencephalography (MEG)
    -Maps brain activity by using magnetic fields and the brain’s own electrical currents.
    -Helps doctors identify various disorders such as Alzheimer’s disease and multiple sclerosis.
  • Common Brain Disorders
    -Alzheimer’s disease: mental disorders usually affecting older adults. Mainly consists of dementia and loss of memory
    -Schizophrenia: mental disorder that involves a misconception of reality marked by hallucinations and delusions.
    -Cerebral Palsy (CP): brain damage that was usually a result of some trauma that occurred during birth
  • Various Treatments
    Drug Therapy
    Using various pharmaceuticals to treat mental disorders.
    Some general categories are antidepressants, anti-anxiety and stimulants.
    Cognitive-Behavior Therapy
    Psychoanalytical therapy that uses a systematic approach to solve various psychotic disorders
  • Resources
    Campbell, Reece. Biology. 6th ed. San Francisco: Benjamin Cummings, 2002: 1040-1053.
    Fremgen, Frucht. Medical Terminology: A Living Language. 4th ed. New Jersey: Pearson Education, 2009: 386-408.
    Wright, Jesse H. “Cognitive-Behavior Therapy.” Review of Psychiatry. 23.3 (2004): 1-15.