Midterm Extra Flashcards
Cortical neurons can change their function as functional demand changes?
T/F
True
spinal cord tracts originate from which cortical layer?
Layer 5, internal pyramidal layer (giant pyramidal cells).
The limbic association area influences ______, ________ & _______?
Behavior, emotions and motivation.
impaired recognition of familiar faces is known as?
Prosopagnosia
The subject thinks close relatives are imposters due to lack of emotion evoked by visually seeing them. This describes what condition?
Capgras syndrome
The allocortex makes up what percentage of the human cerebral cortex?
10%
Positive memory-associated with habituation (suppression)?
T/F
False.
Positive memory-associated with facilitation.
negative memory-associated with habituation (suppression)
What Maintains long term potentiation (LTP) in hippocampal neurons?
Protein kinase M zeta
Environment alters human behavior in what two ways?
learning & memory
Bilateral ablation of the amygdala can cause what syndrome?
Kluver-Bucy Syndrome
By how much do the glia cells outnumber neurons in the brain?
10:1
Name the three types of neurons in the CNS?
– Astrocyctes
– Oligodendrocytes
– Microglial
Can glial cells proliferate throughout life?
YES, Injury stimulates proliferation
Name the type of glial cell that can supply fuel to neurons in the form of lactate derived from glucose?
Astrocytes
Astrocytes are primarily permeable to what substance?
Potassium (K+)
Astrocytes couple to one another via what type of junctions?
Gap junctions
Which glial cells make and sustain myelin?
Oligodendrocytes
Which glial cells are involved in pH regulation?
Oligodendrocytes
Which glial cells are involved in iron metabolism?
Oligodendrocytes
Which glial cells are macrophages of the CNS?
Microglia
Which glial cells can release neurotoxins?
Microglia
- The ability to recognize and name familiar objects is associated with what cortical association area?
Parieto-occipitotemporal area
A frequent side effect of a prefrontal lobotomy, which used to relieve severe psychotic depression, was inappropriate social responses.
a. true b. false
True
Which association area is related to judgment and planning?
Prefrontal area
The ability to make rational decisions, as well as controlling one’s emotions is compromised if which area is lesioned?
Ventromedial
In which type of associative learning does the animal or person learn to predict the consequences of their own behavior?
Operant conditioning
What type of learning is thought to be important in the acquisition of language?
Imitative learning
In the Aplysia, what effect does serotonin release have on a repetitive sensory stimulus?
Promotes sensitization
When is learning not beneficial?
When it promotes dysfunctional behavior
