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PSYC 206 Practice Exam #2
Terms in this set (27)
Limb Apraxia is associated with damage to the anterior corpus callosum. Since information from the dominant (left) hemisphere cannot be transfered to the right hemisphere, verbal commands to move the left limb cannot be carried out, although the individual can use the nondominant hand to imitate hand movements that are viewed.
The most anterior (rostral) frontal lobe cortex is called the prefrontal cortexand is involved in planning complex behaviors.
The prefrontal cortex is thought to play a role in executive functions in movement planning rather than carrying out skilled movements like the motor and premotor cortex.
Damage to the right posterior parietal lobule can result in a florid syndrome called constructional apraxia.
The symptoms of constructional apraxia include left hemineglect in which individuals ignore the left side of space and left hemidenial in which individuals ignore the left side of their body and even deny ownership of the left side of the body.
the interruption of information transferred from one brain region to another, such as, aphasia
can speak but meaningless, can comprehend
According to Geschwind
isolation of the speech areas spares the ability to repeat spoken languages
H. M.'s memory disorder
included anterograde amnesia
Anterograde amnesia can result from
damage to the thalamus, damage to the temporal lobes, a thiamine deficiency, damage to the limbic system
Which of the following cortical layers usually adds neurons first?
migrates into the developing cortical plate laterally
may result from alcoholism,
can result in anterograde amnesia,
may result in cell loss in the medial thalamus,
is caused by a thiamine deficiency
Jerky, incoordinated movement and intention tremor are most likely to result from damage to the
Visual agnosia is most likely to result from
disconnection of Wernicke's area from the inferior temporal lobe
receive thalamic input before neurons in the cortical plate,
subplate neurons disappear during the first few weeks after birth in humans,
synapse with incoming thalamic axons
Optic nerve fibers derived from the nasal retinae
project to the lateral geniculate nucleus
can transfer memory into long term memory
According to Holloway
the frontal and temporal areas are proportionally larger in hominid than in ape brains
Rakic identified ocular dominance columns by using
injecting tritiated amino acids into the eye
In most cortical columns
neurons giving rise to intracortical projections are most abundant in layers 2 and 3
Perseveration, inappropriate social behavior and difficulty remembering the temporal order of past events is most commonly observed after lesions of the
anterior frontal cortex
connects the hippocampus and the hypothalamus
Rakic found that unilateral enucleation in embryonic life
resulted in a lack of formation of ocular dominance columns in area 17
Resting state magnetic resonance imaging (MRI)
method for identifying functionally interconnected circuits in the human brain.
reabsorb CSF into the dural sinus
Functional magnetic resonance imaging (fMRI) indicates that when individuals are asked to generate words by thought
neurons in the prefrontal cortex become more active
Brodmann's method for identifying cortical areas was based on
identifying the cell types and densities in each cortical layer of each area
Amygdala is responsible for learned emotional responses, such as fear conditioning. Frontal portion of the temporal lobe. Part of limbic system.
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