Which of the following is true of the serotonergic hallucinogens?
a. they produce visual hallucinations
b. they are sympathomimetic
c. they decrease heart rate and blood pressure
d. they produce visual hallucinations and are sympathomimetic
e. all of these are true
d
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Mom tells Billy that she will pay him to pull weeds from her flower garden. Because Mom is busy, she sometimes gives Billy a dime when he pulls five weeds, sometimes when he pulls 10 weeds, and other times when he pulls 20 or more weeds. The reinforcement schedule Mom is using is:
A. continuous B. fixed interval C. variable ratio D. fixed ratio
Which part of a neuron transmits signals to other neurons?
A. Dendrites B. Axons C. Cell body D. Nerve net
What evidence suggests that there is a neural basis for addiction and reward? How might this be related to the motivation to engage in survival behaviors such as eating or sexual behavior?
What will be an ideal response?
The distribution of z-scores is always
a. positively skewed. b. negatively skewed. c. the same as the distribution of raw scores. d. more spread out than the distribution of raw scores.