A neuropsychologist has been studying two patients who suffered strokes. One of the patients can still understand spoken English but can only speak gibberish. The other patient can still speak English fluently but can no longer understand spoken English. This is an example of:
A) a single dissociation.
B) a double dissociation.
C) experience-dependent plasticity.
D) an inferior lobe damage

Question

Quizplus · Accepted Answer

This is an example of a double dissociation because two different brain functions (understanding spoken English and speaking English fluently) are impaired in two different patients, suggesting that these functions are served by different brain regions or mechanisms.

A Neuropsychologist Has Been Studying Two Patients Who Suffered Strokes