Do a study of the two-point threshold. Have a friend take a pairof scissors and, with the blades closed, touch you lightly on theforearm with the points while your eyes are closed. Have yourfriend open the blades slightly and touch you with both points atthe same time. Have your friend continue to spread the blades andtouch you just to the point at which you can feel both blades. Nowmeasure the distance between the points of the scissor blades. Thisis the two-point threshold. Repeat this procedure for differentparts of your body (e.g., finger, palm, neck, back, foot, thigh).Record your measurements of the two-point thresholds for each bodypart. Thinking carefully about what you have learned about thebrain in this experiment, write up your results and try to explainthem. (Note: You do not need to know anything about touch sensationto write this essay.) Be sure to address the following questions:Does the two-point threshold differ across your body? Report youractual measurements of the two-point threshold and use thosemeasurements as the basis of your discussion. Given what you knowabout the brain, why might the differences that you found exist?Imagine that you had suffered damage to some specific part of yourcerebral cortex. Would your ability to detect touches on your skinbe impaired? Might this depend on which part(s) of your cortex hadbeen damaged? Explain. Why do you think certain body parts might be\"overrepresented\" in the human cortex? (Hint: One way to thinkabout this question is to consider why having certain parts of thebody be overrepresented in the brain might be adaptive? What inhuman experience could have lead those parts to beoverrepresented?)