Reaction time refers to the time required by the body from receiving a stimulus to making a response, that is, the time interval from stimulus to response.Stimulation causes the activities of sensory organs, which are transmitted to the brain through the nervous system, processed, and then transmitted from the brain to effectors, acting on certain objects outside.It mainly reflects the coordination and quick reaction ability of human nerve and muscle system.
Generally, it is normal if the score is higher than 3.
Clinical significance
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If the score is lower than 3, the reaction is too slow, and there may be Alzheimer's disease.People to be checked: elderly people
matters needing attention
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Unsuitable crowd: none.Taboos before examination: pay attention to rest.Requirements during inspection: During the test, the subject shall not hit the signal key of the tester with force.
Inspection process
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The subjects were tested in front of the reaction time tester.After pressing the "Start" button, the color of the display lamp will change at some time within 20 seconds. When the color of the display lamp changes, press the "End" button at the fastest speed, and record the results after the previous step is completed.
