Professor Roux tells his class that synaesthesia isn't well understood but is likely caused by all of the following except
A) genetics.
B) being acquired through training.
C) being acquired as a result of exposure to certain drugs.
D) a severe viral infection as a child.

Question

Quizplus · Accepted Answer

While genetics, training, and exposure to certain drugs have all been suggested as possible causes of synaesthesia, there is no evidence to suggest that a severe viral infection as a child can lead to synaesthesia.

Professor Roux Tells His Class That Synaesthesia Isn't Well Understood