The main excitatory neurotransmitter in the nervous system that plays a role in memory and learning is
A) glutamate.
B) GABA.
C) acetylcholine.
D) serotonin.
Answer: A
Rationale: Glutamate is the main excitatory neurotransmitter in the nervous system. It is believed to play a critical role in memory and learning.
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Allport considered personality to be _____
a. continuous c. invariant b. discrete d. random
In a study by Phelan and colleagues (2008), participants read about male and female candidates for a managerial position. Compared to comparable male candidates, female candidates who emphasized their independence and leadership ability were rated as
a. lower in competence and in social skills. b. lower in competence but higher in social skills. c. higher in competence but lower in social skills. d. higher in both competence and social skills.
Problems with the use of the Zener cards in Rhine's early experiments included all of the following EXCEPT
a. badly printed Zener cards that allowed the symbols to show faintly from the back. b. subjects noting marks on the cards caused by normal use. c. the experimenter unconsciously giving people cues with their eyes or facial gestures. d. the use of the double-blind experiments.
Piaget believed that infants under the age of one year cannot use internal representations and have no memory of people and objects that are out of sight. Such abilities, he believed, emerge only after
a. a child becomes less egocentric. b. a long period of sensorimotor development. c. speech has progressed beyond its earliest stages. d. a child develops reversibility.