Average Human Reaction Time to Visual Stimulus

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Discussion Overview

The discussion centers around the average human reaction time to visual stimuli, specifically in the context of stopping a stopwatch upon seeing a visual cue. Participants explore various sources and figures related to reaction times in different contexts, including athletic performance.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant inquires about the average reaction time for humans when responding to visual stimuli, seeking reliable sources.
  • Another participant provides figures indicating that auditory stimulus reaction time is approximately 150 ms, visual stimulus is around 200 ms, and pain stimulus is about 700 ms, citing sources for these claims.
  • It is noted that reaction times can vary based on the athlete's character, preparation, and concentration, with a minimum physiological reaction time set at 100 ms by the IAAF.
  • There is a light-hearted exchange about a debate between a participant and their physics tutor regarding the figures presented, with one participant claiming victory in the debate.

Areas of Agreement / Disagreement

Participants present varying figures and sources regarding reaction times, but there is no consensus on a single average reaction time. The discussion includes both agreement on the variability of reaction times and differing interpretations of the data.

Contextual Notes

Participants reference specific sources for reaction times, but the discussion does not clarify the conditions under which these times were measured or any assumptions made in the context of athletic performance.

Hootenanny
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I was wondering if anyone knows of a site that gives the average reaction time for a human. I'm looking for something which relates to someone stopping a stopwatch when a visual stimulus is seen? Any help would be appreciated.
 
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Here is something that might help:

These times vary according to the character of the athlete, his degree of preparation and his concentration when the pistol goes off. The rules of the IAAF (International Amateur Athletic Federation) fix the minimum time of physiological reaction at 100 milliseconds.

Source:http://www.omegawatches.com/index.php?id=322

Or this,

auditory stimulus 150 ms
visual stimulus 200 ms
pain stimulus 700 ms

Source:http://www.cs.stir.ac.uk/courses/31N5/handouts/lectures/6upbw/09-human.pdf
 
Last edited by a moderator:
Ophiolite said:
Here is something that might help:

These times vary according to the character of the athlete, his degree of preparation and his concentration when the pistol goes off. The rules of the IAAF (International Amateur Athletic Federation) fix the minimum time of physiological reaction at 100 milliseconds.

Source:http://www.omegawatches.com/index.php?id=322

Thank-you, me and my physics tutor were having a little debate... I win :smile:
 
Last edited by a moderator:
I hope my revised figures I've just edited in don't loose you the bet.
 
Nope :biggrin: I still win! Thanks very much.
 

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