Psychoactive drugs influence the activity of the brain by causing more of which of the following substances to be released or by prolonging or mimicking these substances' actions?
a. neurotransmitters
b. charged positrons
c. sodium ions
d. potassium ions
ANSWER: a
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Maslow believes the most basic needs a person has are
a. physiological. b. safety. c. security. d. social.
What do classical conditioning, operant conditioning, and cognitive learning all have in common?
A. Each is based upon the law of effect. B. These forms of learning were once thought to be valid explanations of how we learn, but now are considered by psychologists as inadequate. C. These forms of learning are common in animals, but rare in humans. D. These are all forms of learning.
What is an IQ test?
a. An IQ test is a psychological measure of a person's inherited quotient b. An IQ test is a psychological measure of a person's intellect quotient c. An IQ test is a psychological measure of a person's ignorance quotient d. An IQ test is a psychological measure of a person's intelligence quotient e. none of the above.
Compared with the brains of people with average intelligence, the brains of highly intelligent people
A. do not show any systematic structural differences, because intelligence is determined by environmental factors, not biological factors. B. show higher volumes of gray matter and cortical thickness in the prefrontal and temporal lobes. C. show thinner cortical layers. D. are actually smaller in volume, making them operate more efficiently.