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Parts of the brain to know and love

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Parts of the brain to know and love 12-13 Diencephalon 1. Sits on top of the brain stem 2. Enclosed by the cerebral hemispheres 3. Made of three parts a. – PowerPoint PPT presentation

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Title: Parts of the brain to know and love


1
Parts of the brain to know and love
  • 12-13

2
Diencephalon
  • 1. Sits on top of the brain stem
  • 2. Enclosed by the cerebral hemispheres
  • 3. Made of three parts
  • a. Thalamus
  • b. Hypothalamus

3
Thalamus
  • The relay station for sensory impulses to the
    sensory cortex
  • Transfers the impulses to the correct part of the
    cortex for localization and interpretation
  • (ie. Is it good or bad then where to send it)
  • Optic nerves
  • Optic chiasma
  • Olofactory bulbs

4
Hypothalamus
  • autonomic nervous system center
  • a. Helps regulate body temperature
  • b. Controls water balance
  • c. Regulates metabolism
  • An important part of the limbic system (emotions)
  • a. The pituitary gland is attached to the
    hypothalamus
  • b. Mammillary bodies on bottom, give sense of
    smell

5
Figure 7.15
6
Brain Stem
  • 1. About the size of your thumb?
  • 2. Attaches to the spinal cord
  • 3. Parts of the brain stem
  • a. Midbrain Reflex centers for vision and
    hearing
  • b. Pons Includes nuclei involved in the control
    of breathing
  • c. Medulla oblongata
  • Contains important control centers
  • a. Heart rate control
  • b. Blood pressure regulation
  • c. Breathing
  • d. Swallowing
  • e. Vomiting

7
Brain Stem
Figure 7.15a
8
Cerebellum
  • 1. Two hemispheres with convoluted surfaces (like
    the cerebrum)
  • 2. Provides coordination of body movements.
    Takes information for inner ear the rest of the
    body

9
Cerebellum
Figure 7.15a
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