For which disorder was electroconvulsive therapy (ECT) originally developed as a treatment?

In a study that is described in the textbook, seminarians who were going to deliver a lecture on the parable of the Good Samaritan were made to come across a man who was in obvious need of assistance

Seminarians who were most likely to help were those who a. saw that others were also available to help the victim. b. had once been victims themselves. c. were not in a hurry or under time pressure. d. did so because they thought that others would imitate their kindness.

Which of the following statements about exercise in late adulthood is true?

A) Weight-bearing exercise promotes muscle size and strength, even if begun as late as age 90. B) Brain scans show that physically fit older people experience more tissue loss in the cerebral cortex. C) "Taking it easy" is the best treatment for many chronic diseases. D) Good nutrition and physical activity are only beneficial when they are lifelong habits.