Different forms of the ________ genes and stressful events work together to increase the risk of depression.

The quieting, or focusing of one’s mind in a systematic manner is called

A) passive volition. B) introspection. C) hypnosis. D) meditation.

Compared with scores of European-American infants, NBAS scores of Asian and Native-American babies reveal __________

A) more flexible muscle tone B) less responsiveness to stimulation C) less irritability D) more crying