This visual phenomenon was first discussed by Max Wertheimer

The major objective in changing setting events to treat insomnia is to

a. modify beliefs about sleep difficulties. b. elicit the natural circadian rhythm. c. establish clear cues for sleeping. d. reduce excessive anxiety.

Although ECT (electroconvulsive therapy) has been a controversial issue for decades, it is an effective treatment for depression, especially when a. patients cannot afford antidepressant medication

b. patient response to antidepressant medication is poor. c. symptoms of depression are mild. d. a manic-depressive patient is currently experiencing a manic episode.