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
What is the secret 5th lobe of the cortex?
the insula
