Which of the following is an example of an X-linked recessive trait?

Those who emphasize that mood fluctuations may be indicative of seasonal affective disorder are highlighting the importance of:

a. the menstrual cycle. b. dissociation. c. REM sleep. d. biological rhythms. e. narcolepsy.

Steven is paralyzed from the neck down and does not experience the autonomic responses that usually accompany fear. Despite this injury, he continues to experience fear. Which theory of emotion is contradicted by this observation?

a. Cannon-Bard b. Two-factor theory c. James-Lange theory d. Physiological theory