BackFour-year-old Denise was sound asleep. Suddenly, without warning, she sat straight up and began to scream. Her mother tried to calm her down with no success. Finally, after about 45 seconds of what appeared to be a panic attack, Denise quietly lied back down. When morning came and Denise awoke, she could not remember anything that had happened during the night. It is likely that Denise experienced
Nearly _____ percent of a baby's sleep is REM, compared to about _____ percent for a normal, healthy adult.
A sudden loss of muscle tone is called
Why can taking LSD in order to experience its hallucinogenic qualities become a dangerous activity?
If the brain-wave pattern of a person playing a professional game of chess was recorded using an electroencephalogram (EEG), what type of brain waves would most likely be detected?
Ecstasy is classified as a
Dr. Ramirez conducted a study that compared a group of 20-year-olds and a group of 40-year-olds. Each group was revisited five years later, and again five years after that. This is a _____ design.
_____ has been used as a successful defense in some murder trials.
Last night, Kayla thought she was awakened by a noise she heard outside of her bedroom door. When she tried to get up to see what was going on, she found she could not move. She tried to scream but could not make a sound. After several minutes, she was finally able to sit up and wondered what had just happened. The best explanation for Kayla's experience, according to sleep researchers, is that she experienced
Calvin told his therapist that he wanted to stop smoking. During the next visit, Calvin's therapist directed Calvin to focus deeply on the sound of his voice. The therapist then told Calvin to relax and that he would soon begin to feel tired. As Calvin's eyes closed, he was told to do a number of other things to which he complied. By the end of the session, Calvin no longer craved cigarettes. What happened?
A hypnic jerk is likely to occur during
According to the James-Lange theory of emotion, a physiological response to a stimulus is caused by the arousal of the
Janice is dreaming about walking her dog. However, in her dream, her dog is flying, the sidewalk is moving, and she has no awareness that this activity is odd. Janice is probably in _____ sleep.