Midterm Exam Flashcards
In what cortical layer would you find the internal granular layer?
Layer 4
In what cortical layer would you find mostly axons?
Layer 1
In what cortical layer would you find the internal pyramidal layer?
Layer 5
In what cortical layer would you find external pyramidal layer?
Layer 3
In what cortical layer would you find the external granular layer?
Layer 2
In what cortical layer would you find a mixture of tissues?
Layer 6
Inhibitory granule cells release primarily what neurotransmitter?
GABA
stimulatory granule cells release primarily what neurotransmitter?
Glutamate
In the human cerebral cortex the largest percentage of cortical tissue produce movementswhen electrically stimulated.
a. true
b. false
False
Which cortical association area is associated with executive functions of behavior?
prefrontal association area
Norepinephrine projections to widespread cortical areas, originates primarily from which area?
Locus ceruleus
Serotonin projections to widespread cortical areas, originates primarily from which area?
Raphe nucleus
Acetylcholine (ACH ) projections to widespread cortical areas, originates primarily from which area?
Mangocellular area of pons
Glutamate projections to widespread cortical areas, originates primarily from which area?
intralaminar area of the thalamus
Most incoming sensory signals terminate in what cortical layer?
Layer 4, internal granular layer
The major efferent output from cortex to the spinal cord originates from which cells?
Pyramidal cells, layer 3 & 5
Fusiform layers make up which cortical layer?
Layer 6
Cortical neurons in the association areas can change their function as functional demand changes.
a. true
b. false
True
According to Michael Merzenich, babies are born ___________.
Stupid
Cortical neurons that fire, when we observe somebody doing something that helps us relate to what they are doing and perhaps is important in our acquiring those motor skills describes
which neuron?
Mirror neurons
What pathway is important in emotional response transfer between anterior portions of rightand left temporal lobes?
Anterior commisure
What is the normal function of cells in the orbital frontal cortex?
function as an error detector, fire when expectation not met. (Like in OCD)
Most left handed individuals have the following cortical dominance?
Left 70%
Are left or right handed people more likely for dual cortical dominance?
Left 15%, right 0%
In individuals that have their corpus callosum (split brain) cut, the left hemisphere tends to match objects based on which criteria?
Function