Evidence for the existence of a descending pain-control circuit came from the finding that
A) stimulation of the PAG produces analgesia.
B) the PAG contains opiate receptors.
C) some opiates are endogenous.
D) all of the above
E) none of the above
Answer: D
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The group sets aside its own rules and decides to base reward allocations on length of membership rather than merit. The group thus violated ___ principles.
a. distributive justice b. procedural justice c. voice judgment d. decision rule schema e. oligarchy
What part(s) of brain development is(are) responsible for improvements in memory, attention, and processing speed?
A. synaptogenesis B. neurogenesis C. lateralization and neurogenesis D. myelination and pruning
According to the text, what drug issue is currently at the center of a conflict between state and federal laws?
A. heroin and access to clean syringes B. alcohol and the legal drinking age C. drug screening in public schools D. marijuana for medical use
Your best friend is a freshman in college; she has just started to think about choosing a major. All she knows about psychology is that psychologists study behavior
Define behavior for her as it is understood by psychologists, including a description of levels of analysis, so that she has an idea of the different ways in which behavior can be studied. What will be an ideal response?