Neuromodulators are
a. rarely of a peptide form.
b. secreted from neurons, but dispersed widely in the brain.
c. inevitably inhibitory.
d. secreted from a neuron and only affect an adjacent neuron.
e. typically secreted in very small amounts compared to neurotransmitters.
Answer: b. secreted from neurons, but dispersed widely in the brain.
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Psychologists study some 5-year-olds, 7-year-olds, and 9-year-olds. They study the same groups two years later, and again another two years later. What type of research is this?
a. Retrospective b. Cross-sectional c. Longitudinal d. Sequential
During sleep, increased inhibition stops nerve messages from spreading
a. True b. False Indicate whether the statement is true or false
If you are a manager and want to increase the quality of work produced by your employees, you would
a. raise salaries. b. give monetary bonuses. c. give more freedom of choice in the methods for completing work on the job. d. fire some of the employees who show the poorest quality of work to intensify security needs within the other employees.
Freud believed that the ego operates on the
a) unconscious. b) reality principle. c) pleasure principle. d) conscious.