When Karl Lashley was looking for the engram in the brain, he used __________ to see if he could disrupt a rat’s memory
a. freezing
b. lesioning
c. deep brain stimulation
d. surgical removal
Answer: B
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The sudden onset of paralysis in one arm without a clear biological cause is an example of
a. malingering. b. depersonalization. c. somatic symptom disorder. d. dissociative disorder.
Next semester, John needs to take one required course to complete his history major. The two sections of the course are offered at 8:00 a.m. (not ideal for John, who likes to sleep until 10:00 a.m.) and at noon with a professor usually referred to as Dr. Dull. As John decides on his schedule, he will MOST likely experience an ____ conflict
a. avoidance-avoidance b. approach-avoidance c. attack-avoidance d. approach-approach
Explain the dopamine hypothesis of schizophrenia and what evidence it is based on. Further, explain why this hypothesis has been proven incomplete.
What will be an ideal response?
If skin area X has a higher level of sensitivity to touch localization compared to skin area Y, ____.
A. the neurons receiving sensory information from area X have on-center receptive fields while those receiving sensory information from area Y have off-center receptive fields B. the neurons receiving sensory information from area X have smaller receptive fields compare to the neurons receiving information from area Y. C. the size of the somatosensory cortex devoted to area X is smaller than the area devoted to area Y. D. area X has more excitatory connections than inhibitory connections to the target neurons in the brain