What purpose do researchers believe is served by neonates' extended periods of REM sleep?
a. It assists the neonate in reducing stress.
b. It helps neonates gain weight faster.
c. It stimulates brain development.
d. It promotes calm behavior.
Answer: C
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Which of the following true of NMDA receptors?
A) Activation of the NMDA receptor allows sodium and calcium ions into the nerve cell. B) NMDA receptors are metabotropic. C) Glutamate is an antagonist for the NMDA receptor. D) The activity of the NMDA receptor is not dependent on magnesium ions. E) The NMDA receptor produces IPSPs.
Tolman's concept of cognitive maps, i.e., that the animal learns the "whole," might be traced to his work ____.?
a. ?with Koffka on Gestalt psychology during graduate school b. ?with Lewin and Lewin's system of the "life space" c. ?with Lewin and Lewin's use of topology and geometry to explain behavior d. ?in engineering at Harvard e. ?with the OSS in World War II