Preilowski (1975) performed an experiment in which he required commissurized patients to draw a diagonal line using the popular children's toy Etch A Sketch. What was being tested in this experiment?
A) artistic abilities
B) the ability to use both hands in concert
C) divergent thinking
D) spatial abilities

Question

Quizplus · Accepted Answer

The experiment was testing the ability to use both hands in concert, as commissurized patients have had their corpus callosum severed, which limits the communication between the left and right hemispheres of the brain. Drawing a diagonal line on an Etch A Sketch requires both hands to work together.

Preilowski (1975) Performed an Experiment in Which He Required Commissurized