Amazing CNS
Definitions
Location of structures
Cerebrum functions
100

60% of the brain is this component

Fat

100

Collections of neuron cell bodies

Gray matter

100

this large brain structure has two giant halves that do high level processing

cerebrum

100

Area that interprets basic visual information

visual cortex

200

number of neurons in the brain

85 billion (some 100 billion)

200

Crossing over of neurons from right to left

decussation

200

The diencephalon includes

thalamus and hypothalamus

200

initiates muscle movements for speech production

broca's

300

When does the brain stop developing

Age 25

300

Where two brain hemispheres connect to each other

commissures

300

Just above the pituitary gland this structure is directly connected and is called the...

hypothalamus

300

deals with comprehension of speech

Wernicke's
400

Speed of information processing in the brain in mph

350

400

Allows automatic appropriate pre programmed responses

reflex arc

400

Lowest portion of the brainstem

Medulla Oblongota

400

Interprets sensory information and puts it into context with your past experiences

somatic sensory association area

500

The brain can perform how many operations per second on what energy

1 exaflop (1 billion billion) on 20 watts

500

Valleys of the brain

sulci

500

Main connection between two hemispheres

corpus callous

500

Site of motivation and foresight; regulates mood and emotion, inhibits impulsive behavior

prefrontal area (discuss Lewy body dementia)

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