Cerebral cortex Flashcards
_______ = dealing with one area
unimodal
_______ = dealing with more than one modality
polymodal/heteromodal
What are the 3 types of white matter fiber tracts in the cortex?
- Commissural
- Projection
- Association
The _____ ______ ______ connects the frontal and parietal lobes.
superior longitudinal fasciculus
The _____ ______-_____ _______ connects the frontal and occipital bones
inferior fronto-occipital fasciculus
The ____ ______ connects the frontal and temporal lobes.
uncinate fasciculus
The _______ ______ connects the two language areas.
arcuate fasciiculus
The CST travels through the _______ limb of the internal capsule.
posterior
The internal capsule projects to other areas via the _______ ______.
corona radiata
What artery supplies the posterior limb of the internal capsule?
lenticulo-striate artery
The leg is represented on the _______ side of the supplementary motor complex (SMC), and this area is supplied by the ________ cerebral artery.
medial; anterior
The ______ cerebral artery supplies the lateral side of the cortex.
middle
Lesions to the primary motor cortex = _______.
paralysis
Lesions to the motor association area = _______.
apraxia
Lesion to the _______ sensory area = poor localization of sensory stimuli
primary
Lesion to the sensory association area = what two possibilities ?
- tactile agnosia
2. astereognosis
________ agnosia = inability to interpret the significance of sensory information
tactile
_________ = the inability to recognize an object placed the hand
astereognosis
_______ organization = how pitch is represented at the primary auditory cortex.
tonotopic
______ = involved in addiction and processing taste.
insula
Parietal association areas = involved in what three things ?
- Attention
- Awareness of self
- Awareness of extrapersonal space
What is the role of the connection between the parietal and frontal areas?
focus on stimulus and filter out direction
Attention to the R side of the world is controlled by both hemispheres, so a stroke to the left hemisphere will not result in right neglect (T/F).
TRUE
Attention to the L side of the world is controlled by both hemispheres, so a stroke to the right hemisphere will not result in left neglect (T/F).
FASLE
