CNS Pt. 1

Question 1

3 Types of functional areas

Answer 1

Motor- voluntary movement
Sensory- awareness of sensation
Association- integrate diverse information

Question 2

Motor areas

Answer 2

Primary somatic motor cortex.
Premotor cortex.
Broca’s area
Frontal eye field.

Question 3

Motor homunculus

Answer 3

spatial representation

cross section of cerebral cortex

Question 4

Wernicke’s area

Answer 4

Permits recognition of spoken & written language & creates plan of speech

Question 5

Broca’s area

Answer 5

Generatws motor signals for larynx, tongue, cheeks, lips; speech function

Question 6

Sensory Homunculus

Answer 6

Cortex area dedicated to sensations of body parts proportional to sensitivity of that body part

Question 7

Special Senses

Answer 7

Taste - lower end of pc gyrus
Hearing - superior temporal lobe 
Equillibrium - cerebellum
Vision - occipital lobe
Smell - medial temporal lobe & inferior frontal lobe

Question 8

Cerebral White Matter

Answer 8

Myelinated fibers and their tracts

Question 9

CWM is responsible for

Answer 9

communication

Question 10

Commisures in corpus callosum

Answer 10

connect gray matter of two hemispheres

Question 11

Association fibers

Answer 11

connect different part of same hemispheres

Question 12

Projection fibers [corona radiata]

Answer 12

connect hemispheres with lower brain/ spinal cord

- thoughts of cortex to spinal