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Does Age Affect Reaction Time?

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by

Dylan Parris

on 15 May 2014

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Transcript of Does Age Affect Reaction Time?

Reaction Time
What is Reaction Time?
Reaction time is a measure of how quickly an organism can respond to a particular stimulus.
What shows your reaction time. (1)
Reflexes have a huge role in reaction time.

What are reflexes?- reflexes are involuntary, or automatic, action that your body does in response to something.

An example is when you tap your knee with a rubber mallet. It sends a signal along a nerve to your spine, A waiting motor neuron sends an automatic command to contract the muscle.
Things that decrease reaction time.
Having a slower than normal reaction time can come with high consequences. Example. While you are driving, and you are doing something while driving, that can cause a higher chance of accidents.
Why does your reaction time decrease?
It decreases because the brain processes nerve impulses more slowly, in addition, at old age, one gets slower at performance of acts. Intellectual performance also decreases as one reaches old age.
What shows your reaction time. (2)
Your brain also helps.

Your brain is involved by modifying and fine tuning flex actions.

Example: When you trip and fall, reflexes automatically command your arms and hands to reach and and break your fall.
By Dylan Parris
Question
As you age does your reaction time decrease or increase as you age?
Things that can affect reaction time.
age, gender, physical fitness, fatigue, distraction,
alcohol, personality type, and whether the stimulus is auditory or visual.
As you age, your reaction time decreases.
Sources
http://www.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=1&ContentID=562


http://www.radford.edu/jkell/Reaction%20Times.pdf


http://kidshealth.org/kid/talk/qa/reflexes.html

http://wiki.backyardbrains.com/Reaction_Time
Closing Questions
1. Why do you think touch and audio stimuli have a faster reaction time on average?

2. Would you expect a difference in the average reaction times between a male and female? What about a more athletic person compared to a more sedentary person?

3.
Full transcript