What Is the Biggest Disadvantage of Using PET Scans to Study

question 109

Multiple Choice

What is the biggest disadvantage of using PET scans to study brain function?

• A) It doesn't detect changes in brain function very quickly.
• B) It cannot identify which areas of the brain are active.
• C) It cannot be used with people who have pacemakers or other metal in their bodies.
• D) It is extremely costly compared to fMRI.

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Definitions:

Extinction

Within the realm of behavioral psychology, it describes the slow reduction and ultimate vanishing of a learned reaction when the previously associated conditioned stimulus is no longer presented alongside the unconditioned stimulus.

Avoidance Training

A learning process in which an individual learns to prevent the occurrence of an unpleasant or harmful stimulus by performing particular behaviors.

Desensitization

A psychological process of reducing sensitivity or reaction to a stimulus, often used in therapy to manage phobias or anxiety.

Negative Reinforcer

An undesirable outcome or event that, when removed after a behavior, increases the likelihood of that behavior occurring in the future.