Which of the following is the appropriate definition of neurosurgery for psychiatric disorders?
a) information given to a patient about a surgical procedure before the surgery in order to prevent anxiety
b) surgery that is performed on brain tissue to reduce the symptoms of psychological disorders
c) surgery that severs the spinal cord of the patient
d) a procedure in which a brief current of electricity is used to trigger a seizure that typically lasts one minute, causing the body to convulse
ANS: B
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Operant conditioning is a type of learning in which the probability of a response is changed by a change in its consequences
a. true b. false
Our perception of the wind blowing in a field of wheat illustrates the Gestalt law of
a. proximity. b. similarity. c. closure. d. common fate. e. continuity.
An educational program that relies almost exclusively on intelligence and aptitude test scores as criterion for admittance is __________
a) ensuring that its high standards will continue to be upheld. b) engaging in the best screening practices available to date. c) being ethically responsible. d) potentially unfairly excluding many individuals who, despite their scores, would do well.
In a study on the relationship between physical activity and cognitive ability, Zoey hypothesizes that engagement in physical activity will predict scores on an IQ test. She randomly assigns participants to spend 5 days participating in an exercise program or 5 days relaxing at home. She also asks participants to report how well they slept each night during the study so she can control for it later. Which of the following is the confounding variable in this study?
A. Physical activity B. IQ test scores C. Hours slept D. Cognitive ability