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ncbi.nlm.nih/pubmed/9367261 link on T and CorpusCallosum

http://www.ncbi.nlm.nih.gov/pubmed/9367261 link on T and CorpusCallosum. Brain Anatomy. Regions and their functions. By By Anthony. Mr. Verdi has a new favorite student…. Hippocampus and Amygdala. 4 major regions. Cerebral hemispheres Diencephalon Brain stem Cerebellum.

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ncbi.nlm.nih/pubmed/9367261 link on T and CorpusCallosum

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  1. http://www.ncbi.nlm.nih.gov/pubmed/9367261link on T and CorpusCallosum

  2. Brain Anatomy Regions and their functions

  3. By By Anthony

  4. Mr. Verdi has a new favorite student…

  5. Hippocampus and Amygdala

  6. 4 major regions • Cerebral hemispheres • Diencephalon • Brain stem • Cerebellum

  7. Cerebral Hemispheres • Right and Left  Superior part of brain • Most of mass of the brain • Shallow groove = sulcus • Elevated area by groove = gyrus

  8. Cerebral Cortex • .125 inch thick… 40% of brain mass • Motor areas • Sensory areas • Association areas • Contralateral control

  9. Central sulcus • Precentral gyrus = primary motor

  10. Primary Motor Cortex • Precentral gyrus • Controls voluntary movement

  11. Premotor Cortex • Learned motor skills

  12. Broca’s area • Speech! Left hemisphere Broca's area and Wernicke's area are connected by a bundle of nerve fibers called the arcuate fasciculus. Damage to the arcuate fasciculus causes a disorder called conduction aphasia. People with conduction aphasia can understand language, but their speech does not make sense and they cannot repeat words.

  13. Primary Somatosensory Cortex • Postcentral gyrus • Right hemisphere gets information from left, and upside down

  14. Somatosensory Association cortex • Posterior to postcentral gyrus

  15. Visual area • Extreme posterior tip of occipital lobe

  16. Visual Association Area • Surrounds the visual area… determines what you are seeing • i.e. 2 pretty eyes, long hair, ears… its Zooey !

  17. Auditory Areas • Top of temporal lobe = primary auditory area • Posterior of temporal lobe = auditory association area

  18. Olfactory cortex •  primitive brain new functions • Rhinencephalon = Memory! • Why we remember smell of Grandma’s old smoky apartment, with dentures and those weird mints now only seen at midlevel restaraunts

  19. Diencephalon • 3 paired structures • Thalamus • Hypothalamus • Epithalamus

  20. Thalamus • Large number of nuclei • “Afferent impulses from all senses and all parts of the body converge on the thalamus • Includes sensory, visceral, emotional, etc.

  21. Hypothalamus 7 functions 1.) Autonomic control center 2.) Center for emotional response 3.) Body Temperature Regulation

  22. Hypothalamus 4.) Regulation of Food Intake 5.) Regulation of Water balance and thirst 6.) Regulation of sleep-wake cycles 7.) control of endocrine system functioning

  23. Epithalamus • Pineal gland – melatonin hormone

  24. Brain Stem

  25. Midbrain

  26. Pons

  27. Medulla Oblongata

  28. Medulla Oblongata • Cardiovascular center • Respiratory center • Various other centers

  29. Cerebellum

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