Damage to dopamine neurons in the human brain can be detected using __________.
A. autoradiography of 2-DG concentrations in the nucleus accumbens
B. microdialysis of dopamine concentrations in the caudate nucleus
C. PET scans of radioactive L-DOPA concentrations in the basal ganglia
D. CT scans of the frontal cortex
Answer: C
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In the typical long-term, romantic relationship, a couple will experience passionate love for ____
a. three months or so—six to nine months at the most b. a year or so—two or three years at the most c. seven years or so—ten to fifteen years at the most d. an unlimited number of years or decades, if the relationship is successful
Subordinate goals have been shown to do all of the following EXCEPT
a. decrease mutual interdependence among groups. b. help opposing groups to see themselves as members of a single, larger group. c. produce a "we're all in this together" effect. d. reduce intergroup conflict.
The conditioned emotional response (CER) procedure introduced by Estes and Skinner is also known as __________, since following tone-shock pairings, the presentation of the tone by itself evokes emotional responses that interfere with food- reinforced lever pressing.
a. extinction b. conditioned punishment c. conditioned suppression d. emotional interference e. reductive conditioning
Vygotsky's critics have raised concerns about
A) his emphasis on attention, encoding, and memory does not provide a comprehensive view of cognitive development. B) Vygotsky's stage approach to cognitive development has not been supported by research suggesting that cognitive development is best characterized as a continuous process. C) concepts, such as assimilation and accommodation, which are vague and difficult to test experimentally. D) concepts, such as the Zone of Proximal Development, which are vague and are difficult to test experimentally.