Forebrain Flashcards
Forebrain:
Subcortical white matter is comprised of tracts/pathways that are ________
axons
Forebrain:
Subcortical white matter comprises the _______ _______, a commissure that connects 2 hemispheres of the cortex
corpus callosum
Forebrain:
Grey matter is comprised of _______ & ______.
Examples of these grey matter structures are the _______ and the ________
cell bodies; dendrites
cerebral cortex; subcortical nuclei
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.
thalamus; nuclei
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 _____ & _______
hypothalamus; hunger/satiety; heat gain/loss
endocrine system
laughter & crying
Subcortical Nuclei:
The _________ controls coordinated ______ contraction/_______.
It also controls the _____ of _______.
basal ganglia; muscle; movement
force; movement
Subcortical Nuclei:
The limbic system is comprised of the _______, _______, _______, and ______.
It controls the behavior linked to emotions.
cingulate gyrus; amygdala; fornix; hippocampus;
Pneumonic: (C)ucumbers (G)row (A)round (F)arm (H)omes
The corpus callosum is comprised of the _____, ______, ______, and ______
genu; body; rostrum; splenium;
Pneumonic: (G)ood (B)ikes (R)arely (S)queak
The diencephalon is comprised of the ______ & _______
thalamus and hypothalamus
The Cerebral Cortex:
Cortex = “______”, is approx. ___ mm thick, and is a layer of ____-_____ cells
bark; 4; 4-6
The Cerebral Cortex:
The cortex is about ____% of the human brain
80%
The Cerebral Cortex:
_____/______ = folds/bumps in the cortex
gyri/gyrus
The Cerebral Cortex:
______/______= indentations/grooves in the cortex
sulci/sulcus
There are two ______ in the brain (left and right)
hemispheres
The Cerebral Cortex:
The two hemispheres are separated by the _______
longitudinal fissure
The Cerebral Cortex:
The cortex is comprised of 5 lobes. The ______, ______, _______, _______, and ________
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
The Cerebral Cortex:
Mediates “_________” or in other words, ________
higher cortical functions; thinking
Functional Organization of the Cortex: Projection Areas
A. _______ cortex
- Primary cortex
- Receives projections from the _______
- 1.1. The _______ lobe receives somatosensation projections
- 1.2. The ______ lobe receives vision projections
- 1.3. The ______ lobe receives audition projections
A. Sensory
- thalamus
- 1.1. parietal
- 1.2. occipital
- 1.3. temporal
Functional Organization of the Cortex: Projection Areas
- Secondary cortex
- Adjacent to _____ cortex
- Interprets ______ (perception enhanced)
- primary
2. 2. stimuli
Functional Organization of the Cortex: Projection Areas
- Tertiary cortex
- aka ________ or _______ cortex
- 2 Coordinates _______ areas and ________
- multimodal or association
3. 2 secondary areas and cognition
Functional Organization of the Cortex: Projection Areas
B. ______ cortex
- Tertiary cortex
- Receives ______ from _______ cortex
- _______ cortex: plans movement
B. Motor
- input; sensory
- Prefrontal
Functional Organization of the Cortex: Projection Areas
- Secondary cortex
- ______ cortex: Catalog of ________ movements
2.1. premotor; complex
Functional Organization of the Cortex: Projection Areas
- Primary cortex
- 1 Catalog of ______ movements
3.1. simple
What are the four Fs for which the limbic system is responsible?
Feeding, Fleeing, Fighting, and Fornicating
