Reaction Time: A yardstick will be dropped vertically near the subject's open hand. This will be done 3 times, and the number the subject's index finger touches will be recorded. The average will be found.
Blood Pressure: A blood pressure measuring device will be used.
Pupil Dilation: The subject will have his/her eyes exposed to a flashlight. Then, the subject will be put in a dark room for 2 minutes. A picture will be taken of the subject's eye.
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