Forebrain Flashcards

1
Q

Forebrain:

Subcortical white matter is comprised of tracts/pathways that are ________

A

axons

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2
Q

Forebrain:

Subcortical white matter comprises the _______ _______, a commissure that connects 2 hemispheres of the cortex

A

corpus callosum

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3
Q

Forebrain:

Grey matter is comprised of _______ & ______.

Examples of these grey matter structures are the _______ and the ________

A

cell bodies; dendrites

cerebral cortex; subcortical nuclei

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4
Q

Subcortical Nuclei:

The _______ is the gatekeeper to the cortex. It is a group of _______.

The old way of thinking about this structure was as a sensory relay station.

A

thalamus; nuclei

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5
Q

Subcortical Nuclei:

The ________ maintains homeostasis, which is the regulation of ______/_____ and ______/______.

This structure also controls the ___________ and the ANS

It plays a role in emotion, mostly associated with _____ & _______

A

hypothalamus; hunger/satiety; heat gain/loss

endocrine system

laughter & crying

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6
Q

Subcortical Nuclei:

The _________ controls coordinated ______ contraction/_______.

It also controls the _____ of _______.

A

basal ganglia; muscle; movement

force; movement

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7
Q

Subcortical Nuclei:

The limbic system is comprised of the _______, _______, _______, and ______.

It controls the behavior linked to emotions.

A

cingulate gyrus; amygdala; fornix; hippocampus;

Pneumonic: (C)ucumbers (G)row (A)round (F)arm (H)omes

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8
Q

The corpus callosum is comprised of the _____, ______, ______, and ______

A

genu; body; rostrum; splenium;

Pneumonic: (G)ood (B)ikes (R)arely (S)queak

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9
Q

The diencephalon is comprised of the ______ & _______

A

thalamus and hypothalamus

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10
Q

The Cerebral Cortex:

Cortex = “______”, is approx. ___ mm thick, and is a layer of ____-_____ cells

A

bark; 4; 4-6

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11
Q

The Cerebral Cortex:

The cortex is about ____% of the human brain

A

80%

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12
Q

The Cerebral Cortex:

_____/______ = folds/bumps in the cortex

A

gyri/gyrus

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13
Q

The Cerebral Cortex:

______/______= indentations/grooves in the cortex

A

sulci/sulcus

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14
Q

There are two ______ in the brain (left and right)

A

hemispheres

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15
Q

The Cerebral Cortex:

The two hemispheres are separated by the _______

A

longitudinal fissure

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16
Q

The Cerebral Cortex:

The cortex is comprised of 5 lobes. The ______, ______, _______, _______, and ________

A

parietal; occipital; temporal; insula; frontal

Pneumonic: I only smoke POT IF the mood’s right

or

(I) (T)hink (P)orcupines (F)righten (O)ctavia

17
Q

The Cerebral Cortex:

Mediates “_________” or in other words, ________

A

higher cortical functions; thinking

18
Q

Functional Organization of the Cortex: Projection Areas

A. _______ cortex

  1. Primary cortex
    1. Receives projections from the _______
  2. 1.1. The _______ lobe receives somatosensation projections
  3. 1.2. The ______ lobe receives vision projections
  4. 1.3. The ______ lobe receives audition projections
A

A. Sensory

    1. thalamus
  1. 1.1. parietal
  2. 1.2. occipital
  3. 1.3. temporal
19
Q

Functional Organization of the Cortex: Projection Areas

  1. Secondary cortex
    1. Adjacent to _____ cortex
    1. Interprets ______ (perception enhanced)
A
    1. primary

2. 2. stimuli

20
Q

Functional Organization of the Cortex: Projection Areas

  1. Tertiary cortex
    1. aka ________ or _______ cortex
  2. 2 Coordinates _______ areas and ________
A
    1. multimodal or association

3. 2 secondary areas and cognition

21
Q

Functional Organization of the Cortex: Projection Areas

B. ______ cortex

  1. Tertiary cortex
    1. Receives ______ from _______ cortex
    1. _______ cortex: plans movement
A

B. Motor

    1. input; sensory
    1. Prefrontal
22
Q

Functional Organization of the Cortex: Projection Areas

  1. Secondary cortex
    1. ______ cortex: Catalog of ________ movements
A

2.1. premotor; complex

23
Q

Functional Organization of the Cortex: Projection Areas

  1. Primary cortex
  2. 1 Catalog of ______ movements
A

3.1. simple

24
Q

What are the four Fs for which the limbic system is responsible?

A

Feeding, Fleeing, Fighting, and Fornicating

25
Q

What is the secret 5th lobe of the cortex?

A

the insula