One of the problems in interpreting research that finds different brain areas activated among homosexual males compared to heterosexual males is that:
A. it is not known whether these differences are the cause or result of homosexuality
B. a small number of subjects are used in the research
C. classifying people as homosexual or heterosexual depends on different definitions
D. the truthfulness of subjects' reports of their sexual orientation
Answer: A
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EEG studies of people suffering from narcolepsy reveal
A. abnormality in sleep spindles. B. protracted REM sleeping patterns. C. normal REM sleeping patterns. D. absence of sleep spindles.
A psychostimulant drug causing teeth grinding, skin picking, or nail biting in humans would serve as an example of:
a. punding. b. stereotypy. c. purposeful behavior. d. psychosis.
Individuals have a(n) __________ risk of depression with one or two copies of __________ alleles for the promotor region of the 5-HT transporter.
A. increased; short B. increased; long C. decreased; short D. decreased; long
What is a saccade?
a. a visual neural signal b. a visual fixation c. a smooth eye movement d. a rapid eye movement