In order for a diagnosis of Alzheimer's disease to be definitively made __________.

A. brain tissue must be examined upon autopsy
B. symptoms must be present for over two years
C. the afflicted individual must exhibit delirium at least 50 percent of the time
D. plaques and tangles must be visible on an MRI

Answer: A

Psychology

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The term "nervous breakdown"

a. refers to very severe psychotic behavior episodes. b. is a legal, not a psychological, term. c. has no formal psychological meaning. d. refers to a severe, but transient, depression.

Psychology

Mickey regularly practices ________ during a set period of time each day. If he were to undergo neurological research, there would probably be evidence that the attention systems in his brain are more organized

a. a musical instrument b. the martial arts c. meditation d. tai chi

Psychology