In an experiment that tested eye muscle reaction time based on a physical stimulus, 12 subjects were tapped on the shoulder using a mallet connected to the BioPac system. The mallet was used to display an accurate time of impact compared to reaction time. The visual reaction to stimulus had a shorter average reaction time than the visual reaction to light. This occurred in both the dominant and non-dominant eyes. Even though the reaction times were faster on average, the dominant eye was still slower to react. What could explain these results?

Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
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Chapter6: The Peripheral Nervous System: Afferent Division; Special Senses
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In an experiment that tested eye muscle reaction time based on a physical stimulus, 12 subjects were tapped on the shoulder using a mallet connected to the BioPac system. The mallet was used to display an accurate time of impact compared to reaction time. The visual reaction to stimulus had a shorter average reaction time than the visual reaction to light. This occurred in both the dominant and non-dominant eyes. Even though the reaction times were faster on average, the dominant eye was still slower to react. 

What could explain these results? 

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