In Which of the Following Scenarios Is a Patient with a Right

question 46

Multiple Choice

In which of the following scenarios is a patient with a right hemisphere injury MOST likely to exhibit extinction?

• A)The patient is shown a pencil in the left visual field.
• B)The patient is shown a spoon in the right visual field.
• C)The patient is shown a pencil in the left and right visual fields at the same time.
• D)The patient is shown a pencil in the left visual field and a spoon in the right visual field at the same time.

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Definitions:

Antagonists

Drugs that impede the activity of a neurotransmitter.

Opponent-Process Theory

A psychological and neurological model that explains how the perception of colors results from opposing neural processes.

Chromatic/Achromatic

Refers to colors with hue (chromatic) and without hue (achromatic), such as black, white, and grays.

Opponent-Process Pairs

A theory suggesting that the human visual system interprets colors in an antagonistic way, through pairs of colors opposite each other on the color spectrum.