The attentional controller activates nodes in a neural-network based on _________________
a. similarity across representations c. amount of conflict in the response layer
b. signal strength d. relevance to goals
Answer: d
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Which term reflects how the brain continually changes based on the demands placed on it?
a. liquidity b. elastic c. unstable d. plasticity
To investigate the effects of a new drug for hyperactivity, one group of children is given this new drug, while the other group is given a placebo. The experimenter has his assistant label the drug and the placebo with letter names so that he will not know which group of children is getting the placebo and which group is getting the new drug until the end of the experiment. This researcher is
using a a. double-blind experiment to minimize research participant bias and researcher bias. b. single-blind experiment to minimize observer bias and the observer effect. c. triple-blind experiment that incorporates random selection and random assignment. d. placebo effect to maximize the self-fulfilling prophecy.