Ch02b - The Brain Brainstem enterstheskull Medulla[muhDULuh...

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The Brain Brainstem   the oldest part and central core of the brain,  beginning where the spinal cord swells as it  enters the skull responsible for automatic survival functions Medulla [muh-DUL-uh]   base of the brainstem controls heartbeat and breathing
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The Brain
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The Brain Reticular Formation a nerve network in the brainstem that plays  an important role in controlling arousal Thalamus [THAL-uh-muss]   the brain’s sensory switchboard, located on  top of the brainstem it directs messages to the sensory receiving  areas in the cortex and transmits replies to  the cerebellum and medulla
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The Brain Cerebellum [sehr- uh-BELL-um]   the “little brain”  attached to the rear  of the brainstem it helps coordinate  voluntary  movement and  balance
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The Brain Limbic System a doughnut-shaped system of neural structures at the  border of the brainstem and cerebral hemispheres associated with emotions such as fear and  aggression and drives such as those for food and sex    includes the hippocampus, amygdala, and  hypothalamus. Amygdala [ah-MIG-dah-la]   two almond-shaped neural clusters that are  components of the limbic system and are linked to  emotion
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The Limbic System Hypothalamus neural structure lying below (hypo) the  thalamus
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