According to the text,the independence of the hemispheres of split-brain patients tends to be overestimated because
A) most published discussions of split-brain patient's focus on those cases in which independence is relatively complete.
B) few studies have focused on emotional information, which is more readily transferred between separated hemispheres.
C) most studies of split-brain patients have used simple tests, which are readily performed by one isolated hemisphere.
D) all of the above
E) most split-brain patients are right-handed.

Question

Quizplus · Accepted Answer

The correct answer is D because all the statements contribute to the overestimation of the independence of the hemispheres in split-brain patients. A) highlights the bias in published discussions towards cases with more complete independence, B) points out the lack of focus on emotional information which can be shared between hemispheres, and C) mentions the use of simple tests that don't fully challenge the inter-hemispheric integration, all of which can lead to an overestimation of hemisphere independence.

According to the Text,the Independence of the Hemispheres of Split-Brain