After Damage to the Visual Cortex, a Rat No Longer

question 94

Multiple Choice

After damage to the visual cortex, a rat no longer approaches the white card it has been trained to approach. What is the evidence that the rat has not completely forgotten the task?

• A) It can relearn the task faster than it can learn to approach a black card.
• B) After a delay, it spontaneously regains the memory and approaches a white card.
• C) After several unreinforced sessions, it begins responding correctly.
• D) Its heart rate increases when looking at a white card but not when looking at a black card.

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Definitions:

CVA

An abbreviation for Cerebrovascular Accident, commonly known as a stroke, which occurs when the flow of blood to a part of the brain is interrupted or reduced, causing brain tissue damage.

Patient Treated

Refers to an individual who has received medical care or treatment.

Stuttering

A communication disorder characterized by disruptions, or disfluencies, in a person’s speech.

Nontraumatic Subarachnoid Hemorrhage

A type of stroke caused by bleeding into the space surrounding the brain not due to injury, often resulting in sudden severe headache, stiff neck, and loss of consciousness.