Hemispheric SpecializationHemispheric Specialization

Task 1: Task 1: – Rotate your dominant hand in one direction Rotate your dominant hand in one direction

while rotating the while rotating the opposite sideopposite side foot in the foot in the other directionother direction

– Now, try rotating your dominant hand in one Now, try rotating your dominant hand in one direction while rotating the direction while rotating the same sidesame side foot in foot in the other directionthe other direction

– 1) Which task was easier? Why?1) Which task was easier? Why?

  Without Verbal Task With Verbal Task Difference

Right Hand      

Left Hand      

Copy this table twice on your paper…

Hemispheric SpecializationHemispheric Specialization Task 2:Task 2:

– Use your right index finger to draw a star on Use your right index finger to draw a star on your desk as many times as possible in 10 your desk as many times as possible in 10 secondsseconds

– Now, try again while naming objects that start Now, try again while naming objects that start with the letter r (then d)with the letter r (then d)

– Do the same two tasks with your left index Do the same two tasks with your left index fingerfinger

– 2) Which side showed greater slowing when the 2) Which side showed greater slowing when the verbal task was added? Why?verbal task was added? Why?

Hemispheric SpecializationHemispheric Specialization Task 3:Task 3:

– Balance a meter stick on your left and then Balance a meter stick on your left and then right index finger. Time each side and record right index finger. Time each side and record the results.the results.

– Do the same activity again on both sides, but Do the same activity again on both sides, but this time do it while naming objects that are red this time do it while naming objects that are red (then yellow). (then yellow).

– 3) Which side showed the greatest reduction 3) Which side showed the greatest reduction from the without to the with language from the without to the with language condition? Why?condition? Why?