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Refractory Period

(neurology) the time after a neuron fires or a muscle fiber contracts during which a stimulus will not evoke a response.The period of time where an axon of a neurone is inable to transmit further nerve signals immediately after doing so, occurring for about 3 milliseconds. It is possible for another signal to be passed through providing the signal is very strong and superc.


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Re: sensory question

... It's amplitude is normally a constant or varies little, but the refractory period may vary. I suspect the refractory period (time from stimulation to membrane recovery ...

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by RLBallantyne
Tue Jun 19, 2012 10:14 pm
 
Forum: Cell Biology
Topic: sensory question
Replies: 2
Views: 2717

Neurons, Cocaine, and Shingles

... report prolonged feelings of pleasure because dopamine a) reduces the refractory period of neurons b) remains in the synapse longer than normal c) increases the speed of nerve ...

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by homeworkdisaster
Sun Jun 10, 2012 8:11 pm
 
Forum: Human Biology
Topic: Neurons, Cocaine, and Shingles
Replies: 4
Views: 4112

Impulse propagation/local circuits and repolarisation

... regions, they then move to the negative region ahead (not behind as in refractory period) which causes depolarisation etc and the process repeats. What i'm thinking is....does ...

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by ADAS137
Sat Dec 31, 2011 4:16 pm
 
Forum: Human Biology
Topic: Impulse propagation/local circuits and repolarisation
Replies: 1
Views: 1247

Action Potential

... of the action potential would be increased by 50% 5. The relative refractory period would be affected 6. The threshold for action potential generation would be more negative ...

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by sugars888
Thu Sep 29, 2011 5:12 am
 
Forum: Physiology
Topic: Action Potential
Replies: 5
Views: 6786

Neurobiology Questions

... K+ is smaller D. Na+ is greater and K+ is also greater 7. The _______ refractory period is the period after the peak of an action potential when the possibility of stimulating ...

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by biol245
Fri Sep 24, 2010 2:29 pm
 
Forum: Cell Biology
Topic: Neurobiology Questions
Replies: 0
Views: 3884
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