Optic Ataxia, as Illustrated in the Opening Vignette with Patient

question 23

Multiple Choice

Optic ataxia, as illustrated in the opening vignette with patient J. R., is a deficit in the ability:

• A) to produce appropriate motor movements in response to visual information.
• B) to differentiate colors based on visual information.
• C) of photopigment molecules to regenerate after isomerization to the all-trans shape.
• D) of the lens shape to accommodate in order to focus on objects at different distances.

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Definitions:

Salivation

The secretion of saliva in the mouth, which can occur due to various stimuli including taste, smell, or thoughts of food.

Bell

A percussive musical instrument and device that emits sound when struck.

John B. Watson

An American psychologist who is considered one of the founders of behaviorism, emphasizing the study of observable behavior.

Mental Processes

Internal, subjective experiences we infer from behavior, including thoughts, beliefs, and emotions.