http://www.ncbi.nlm.nih.gov/pubmed/9367261%20link%20on%20T%20and%20CorpusCallosum - PowerPoint PPT Presentation

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http://www.ncbi.nlm.nih.gov/pubmed/9367261%20link%20on%20T%20and%20CorpusCallosum

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Title: Brain Anatomy Author: Michael J. Verdi Last modified by: mfcsd Created Date: 4/5/2012 1:38:03 AM Document presentation format: On-screen Show (4:3) – PowerPoint PPT presentation

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Title: http://www.ncbi.nlm.nih.gov/pubmed/9367261%20link%20on%20T%20and%20CorpusCallosum


1
http//www.ncbi.nlm.nih.gov/pubmed/9367261 link
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

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10
Cerebral Hemispheres
  • Right and Left ? Superior part of brain
  • Most of mass of the brain
  • Shallow groove sulcus
  • Elevated area by groove gyrus

11
Cerebral Cortex
  • .125 inch thick 40 of brain mass
  • Motor areas
  • Sensory areas
  • Association areas
  • Contralateral control

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13
  • Central sulcus
  • Precentral gyrus primary motor

14
Primary Motor Cortex
  • Precentral gyrus
  • Controls voluntary movement

15
Premotor Cortex
  • Learned motor skills

16
Brocas 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.
17
Primary Somatosensory Cortex
  • Postcentral gyrus
  • Right hemisphere gets information from left, and
    upside down

18
Somatosensory Association cortex
  • Posterior to postcentral gyrus

19
Visual area
  • Extreme posterior tip of occipital lobe

20
Visual Association Area
  • Surrounds the visual area determines what you
    are seeing
  • i.e. 2 pretty eyes, long hair, ears its Zooey !

21
Auditory Areas
  • Top of temporal lobe primary auditory area
  • Posterior of temporal lobe auditory association
    area

22
Olfactory cortex
  • ? primitive brain new functions
  • Rhinencephalon Memory!
  • Why we remember smell of Grandmas old smoky
    apartment, with dentures and those weird mints
    now only seen at midlevel restaraunts

23
Diencephalon
  • 3 paired structures
  • Thalamus
  • Hypothalamus
  • Epithalamus

24
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.

25
Hypothalamus
  • 7 functions
  • 1.) Autonomic control center
  • 2.) Center for emotional response
  • 3.) Body Temperature Regulation

26
Hypothalamus
  • 4.) Regulation of Food Intake
  • 5.) Regulation of Water balance and thirst
  • 6.) Regulation of sleep-wake cycles
  • SCN
  • 7.) control of endocrine system functioning

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Epithalamus
  • Pineal gland melatonin hormone
  • Makes you sleeeepppppyyyy

29
Brain Stem
  • Midbrain
  • Some grey matter involved in pain suppression and
    fight and flight
  • Superior colliculi
  • Visual reflex
  • Inferior colliculi
  • Auditory reflex

30
Brain Stem
  • Pons
  • Helps communication between motor cortex and
    cerebellum

31
Medulla Oblongata
  • Cardiovascular center
  • Respiratory center
  • Various other centers

32
Cerebellum
  • Think Coordination!
  • Coordinates inputs from tons of sensory and motor
    regions of the brain
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