The results of studies investigating the role of biological factors suggest that depression is caused by

A) variations in the serotonin transporter gene.
B) increases in polypeptide Y in the brain.
C) decreases in the levels of gastric ghrelin.
D) unusual elevations in both dopamine and glutamate levels.

Answer: A

Psychology

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Problem-solving strategies that reduce the number of steps necessary to solve a problem are called mechanical solutions

a. True b. False Indicate whether the statement is true or false

Psychology

The major conclusion from Terman’s study of genius was that:

a. gifted children became gifted adults. b. gifted children became more average as they grew older. c. although gifted children remained gifted as adults, they tended to have more emotional problems than did average individuals. d. “early ripe, early rot.”

Psychology