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Parts of the brain and their purposes.
All the basic parts of the brain, what they do, what happens when they are damaged. Also the nervous system and the endocrine system.
18
Psychology
12th Grade
02/22/2012

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Term
Medulla
Definition
Controls life supporting functions such as breathing, heart beat, and blood pressure. If damaged, you're dead.
Term
Reticular Formation
Definition
Nerve network in brainstem that plays an important role in controlling wakefulness and arousal.
Term
Thalamus
Definition
Operator/switchboard of our brain. Sensory information goes to the thalamus first, then gets sent out to the corresponding location.
Term
Cerebellum
Definition
"Little Brain" controls voluntary movements and balance.
Term
Limbic System
Definition
Hippocampus, Amygdala, Hypothalamas.
Term
Hypothalamas
Definition
Most important structure in our brain. Neural structure which controls emotions, thirst, hunger, body temp and the endocrine system.
Term
Amygdala
Definition
Controls BASIC emotions. (fear, anger, jealousy)
Term
Hippocampus
Definition
Processes new memories and stores old ones.
Term
Cerebral Cortex
Definition
Wrinkled outer surface. LOTS of neurons. 20 billion per 1/8 inch.
Term
Frontal Lobe
Definition
Judgement, reasoning, rational thinking.
Term
Broca's area
Definition
In the frontal lobe. In charge of speech. If damaged, person can form ideas but not express them as a language.
Term
Parietal Lobe
Definition
Information processing, sensory cortex. If damaged, has difficulty with math, lack of hand eye coordination.
Term
Temporal Lobe
Definition
Process sounds, reading, writing.
Term
Wernicke's Area
Definition
In temporal lobe, involved in language COMPREHENSION.
Term
Occipital Lobe
Definition
Vision. If damaged, can lead to color blindness.
Term
Right hemisphere
Definition
In charge of artistic things and free thought.
Term
Left hemisphere
Definition
Math, critical thinking.
Term
Corpus Callosum
Definition
A large band of neural fibers that connect thoughts between the right and left hemispheres.
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