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.

Question

Quizplus · Accepted Answer

The fact that the rat can relearn the task faster than it can learn to approach a black card suggests that it has retained some memory of the original task. This indicates that the rat has not completely forgotten the task, but rather has difficulty accessing or using the memory due to the damage to the visual cortex.

After Damage to the Visual Cortex, a Rat No Longer