Explain how autoreceptors dampen neuronal activity
What will be an ideal response?
Answer: Autoreceptors are sensitive to the transmitter released by a particular neuron. Activation of the autoreceptor produces negative feedback—either reduced cell firing or reduced
synthesis/release of the transmitter. The net effect is to modulate the amount of transmitter in the
synapse (and at the postsynaptic receptors).
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The distinction between fluid intelligence and crystallized intelligence was first postulated by
A) James McKeen Cattell and Louis Thurstone. B) Robert Sternberg and Howard Gardner. C) Raymond Cattell and John Horn. D) Charles Spearman and William Stern.
When studying a research question where it would be impractical to manipulate the variables of interest, a researcher would use a(n)
a. logical method. b. common sense method. c. experimental method. d. descriptive/correlational method.