Olivia takes a drug that is supposed to increase her ability to memorize things.The drug works by increasing neural communication in the hippocampus,and when taken repeatedly,it may also support

A) tabula rasa.
B) long-term potentiation.
C) non-associative learning.
D) habituation.

George Frideric Handel composed his Messiah during three weeks of intense,creative energy. Many believe Handel suffered a mild form of

A) seasonal affective disorder.
B) dissociation.
C) bipolar disorder.
D) phobia.