In an Experiment Designed to Measure the Effect of a Drug

question 42

Multiple Choice

In an experiment designed to measure the effect of a drug on behavior, one group may be given a medication with no active ingredient; this group is identified as a(n) control group.

• A)dependent variable
• B)confounded
• C)experimental treatment
• D)placebo

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Definitions:

Brain-Imaging Studies

Research utilizing techniques such as MRI, PET, or CT scans to visualize the structure and function of the brain in health and disease.

Parietal Cortex

A region of the brain's parietal lobe involved in processing sensory information related to touch, spatial orientation, and navigation.

Prefrontal Cortex

The front part of the frontal lobe of the brain, associated with complex cognitive behavior, personality expression, decision making, and moderating social behavior.

Neurite Density

The amount of neurite (axons and dendrites) outgrowth per unit area of neuron cell bodies, associated with the complexity and connectivity of neural networks.