Cortex Flashcards

1
Q

The neurons in the cortex are _____

A

unmyelinated, and myelinated in white matter (myelin gives it the white color)

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2
Q

Two types of cells in cortex.

A

Pyramidal and granular cells

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3
Q

T/F. There are more pyramidal cells than granular.

A

False.

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4
Q

Brodmann’s area 4

A

Central sulcus, primary motor

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5
Q

Primary somatosensory Brodmann’s area

A

3,1,2

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6
Q

Brodmann’s area 17

A

Primary visual cortex

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7
Q

Bronca’s area in Brodmann’s area

A

44 and 45

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8
Q

Brodmann’s area 22

A

Werincke’s area

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9
Q

Commissural fibers are found in what level?

A

3- send info across hemispheres

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10
Q

What do association fibers do?

A

Send info to adjacent gyri or different lobes within the same hemisphere. they do NOT cross to other hemisphere

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11
Q

Level 4 has _____ cells and _____ info to/from thalamus

A

granular, receive, from

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12
Q

Level 5 has ____ cells and ____ info to/from brainstem

A

pyramidal, sends, to

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13
Q

Corticofugal means

A

efferent, carrying away from cortex

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14
Q

Corticopetal means

A

afferent, going to cortex

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15
Q

Commissural fibers can pass through

A

corpus callosum, anterior, and posterior commisure

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16
Q

Fibers btw. thalamus and corpus striatum

A

internal capsule

17
Q

Function of frontal lobe

A

Primary motor(4), eye movement, Broca speech, emotions

18
Q

Function of parietal lobe

A

Somatosensory (3,1,2), pain/heat

19
Q

Function of temporal lobe

A

Primary auditory, olfactory, memory, Werincke’s speech (22)

20
Q

Function of occipital lobe

A

Primary visual (17)