Stanley takes LSD. As a result he may experience which of the following effects?
A) wakefulness, alertness, and shortened reaction time
B) reduced anxiety and tension, and sedation
C) a mixture of stimulant and narcotic effects
D) powerful emotions and perceptual distortions
Answer: D
Rationale: LSD (lysergic acid diethylamide) is a type of hallucinogen. Like other hallucinogens, it produces perceptual distortions such as hallucinations. LSD can also elicit powerful emotional experiences that can be widely ranging—from extreme euphoria to fear, panic, and paranoia.
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Niko was hit by a line drive, and afterward he would duck whenever he heard the crack of a bat hitting a baseball. After hearing that sound many times without ever getting hit again by a ball, Niko no longer ducks at the sound of a hit. This is best explained by:
a. spontaneous recovery b. observational learning c. extinction d. conditioned inhibition
Dr. Wilson is interested in the functions of a nucleus found in the hypothalamus of rats. Which of the following technologies would you recommend to Dr. Wilson for answering this question?
a. repeated transcranial magnetic stimulation b. functional magnetic resonance imaging c. single cell recording d. lesioning and electrical brain stimulation
_____ _____ schemes are rules that govern much of group decision making
Fill in the blank(s) with correct word
One way to reduce the effects of the presence of the observer on the behavior of the observed is to
a. conceal the observer or use hidden camera recorders. b. take careful notes using a rating scale. c. make friends with the observed. d. record only selected details by using a behavioral assessment instrument.