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Chapter 12 Anatomy of the Human BRAIN

Chapter 12 Anatomy of the Human BRAIN. Start at 3:40 https://www.youtube.com/watch?v=kRuT4NVWOlA&list=PL820525887885BE2D&index=8 http://www.youtube.com/watch?v=3hY6eUuOEQ4&feature=plcp. 4 Major Regions. Cerebrum Diencephalon Brain Stem Cerebellum. External View. Function of LOBES.

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Chapter 12 Anatomy of the Human BRAIN

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  1. Chapter 12Anatomy of the Human BRAIN

  2. Start at 3:40 • https://www.youtube.com/watch?v=kRuT4NVWOlA&list=PL820525887885BE2D&index=8 • http://www.youtube.com/watch?v=3hY6eUuOEQ4&feature=plcp

  3. 4 Major Regions • Cerebrum • Diencephalon • Brain Stem • Cerebellum

  4. External View

  5. Function of LOBES

  6. Internal View

  7. Cerebrum CEREBRUM

  8. Cerebrum • Right & Left hemispheres connected by corpus callosum (bridge of fibers) • Surface = ridges (gyri) & grooves (sulci) • Center for reasoning & memory • Largely determines a person’s intelligence and personality • Composed of 4 lobes: • Frontal • Parietal • Temporal • Occipital

  9. CEREBRUM

  10. Diencephalon DIENCEPHALON

  11. Diencephalon • Thalamus • Integrates sensory impulses (except smell) • Sends motor signals toward spinal cord • Maintains consciousness • Hypothalamus • Produce hormones that control the pituitary • Hunger • Body Temperature • Works with limbic system to control emotions

  12. Cerebellum CEREBELLUM

  13. Cerebellum • Coordinating Center for motor activity • Balance • Posture • Walking

  14. Brain Stem BRAIN STEM

  15. Brain Stem Midbrain • Controls head and eyes in response to visual stimuli • Controls head and trunk in response to auditory stimuli Pons • Relay center between cerebrum and medulla • Relay center between cerebellum and cerebrum Medulla oblongata • Receives info from spinal cord • Regulates heart rate, blood pressure, breathing • Coughing, sneezing and vomiting

  16. Ventricles

  17. Ventricles There are 4: • 2 lateral / right & left (in cerebrum) • Third ventricle (near corpus callosum) • Fourth ventricle (in brain stem) Cavities that fill with cerebrospinal fluid (nutrition & gas exchange for neurons)

  18. Video http://www.youtube.com/watch?v=2MKNsI5CWoU

  19. 6. Working memory & Judgement 4. Gustatory area (taste) 6 1. Visual area (sight) 4 8. Problem solving 5 1 3. Auditory area (hearing) 3 7 5. Broca’s area (speech) 8 2 7. Language & Comprehension 2. Olfactory area (smell)

  20. language & comprehension • gustatory area (taste) • Broca's area (motor speech) • auditory area (hearing) • working memory & judgement • visual area • problem solving • olfactory area (smell)

  21. Teenage brain videos Part 1 http://www.youtube.com/watch?v=RpMG7vS9pfw part 2 http://www.youtube.com/watch?v=0JRxwVpXFB0 part 3 http://www.youtube.com/watch?v=rG7VZKl375g Neuricircuitry http://www.youtube.com/watch?v=PzT_SBl31-s The teenage brain http://www.youtube.com/watch?v=LWUkW4s3XxY Baby brain development http://www.youtube.com/watch?v=MS5HUDVNbGs

  22. Protection of the Brain • Scalp • Skull • Meninges • Dura mater = outermost layer • Arachnoid mater = middle layer Subarachnoid space = space between arachnoid and pia mater > contains cerebrospinal fluid * Spinal tap 3.Pia mater = thinnest layer

  23. Meninges

  24. Meninges Dura mater Contains tough fibrous connective tissue with many blood vessels Arachnoid Thin, netlike layer with blood bessels that reabsorb cerebrospinal fluid Pia Mater Very thin layer with many blood vessels

  25. 1. Visual area (sight) 4. Gustatory area (taste) 6. Working memory & Judgement 6 8. Problem solving 4 5 1 3 7 8 2 7. Language & Comprehension 2. Olfactory area (smell) 5. Broca’s area (speech) 3. Auditory area (hearing)

  26. Take out a blank sheet of paper... • Write full heading • Write heading “DISORDERS OF THE NERVOUS SYSTEM” • Write “1. Alzheimer’s”

  27. Brain Disorders Alzheimer’s CBS Sunday Morning Jan’s Story A Love Lost to Alzheimer’s (Jan Chorlton) http://www.cbsnews.com/video/watch/?id=6601253n Autism Living with Autism http://www.cbsnews.com/video/watch/?id=2645143n  Narcolepsy http://www.youtube.com/watch?v=C0GyhVN-HwU Alzheimer’s. Parkinson’s and Huntington’s Read textbook pp. 252-253 and write a summary of the “terrible three..

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