How did Otto Loewi demonstrate that neurons communicate by releasing chemicals?
a. He studied the behavior of one-celled animals in solutions of neurotransmitters
b. He showed that mathematical models of the nervous system best fit the idea of chemical communication.
c. He collected fluids at brain synapses and analyzed them chemically.
d. He transferred fluid from one frog's heart to alter activity of another frog's heart.
d
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Which of the following is NOT described in the textbook as one of the purposes for which young people use substances?
a. Experimental reasons b. Social experiences c. Medicinal purposes d. Peer acceptance
What hypothesis was assessed in the experiments by Bower, Karlin, and Dueck
(1975)? A) the effect of being given an interpretation of a picture on subsequent recall for the picture B) the effect of being given cues from the experimenter, on subsequent recall for pictures C) the effect of preexisting knowledge of certain pictures, on subsequent recall of those pictures D) the effect of viewing the stages of the creation of a picture versus the final picture, on subsequent recall of such pictures