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Light reflex

Light reflex

a red glow reflected from the fundus of the eye when a light is cast upon the retina, as in retinoscopy.

Synonym: eye reflex, fundus reflex, pupillary reflex.

Synonym: pyramid of light.


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Re: Are tissues in the body capable of sensing pain?

... external environment." -wikipedia when your eyes arent used to the light then suddenly exposed to large amount of it, it illicits reflex such as covering it or turning away from it "When a stimulus is applied to a sensory ...

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by volcob
Mon Jan 21, 2008 7:09 am
 
Forum: Human Biology
Topic: Are tissues in the body capable of sensing pain?
Replies: 24
Views: 14536

Are tissues in the body capable of sensing pain?

... harmful stimuli are interpreted as pain - that is the case of light. Also, when you touch a hot stove you don't burn your finger immediately, ... hot and will burn you"(not the best example cause that is a spinal reflex, but still you see my point)

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by MrMistery
Tue Jan 15, 2008 2:26 pm
 
Forum: Human Biology
Topic: Are tissues in the body capable of sensing pain?
Replies: 24
Views: 14536

Conditioned Reflex. Red is Stop, Green is Go.

Well, a conditioned reflex is part of the Classical Conditioning :arrow: http://www.as.wvu.edu/~sbb/comm221/chapters/pavlov.htm ... whether you want to move or you don't. Otherwise, when someone presented a green light you would move unconsciously. No way. You really do think about it before action. ...

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by BioCell
Thu Oct 12, 2006 9:15 pm
 
Forum: Human Biology
Topic: Conditioned Reflex. Red is Stop, Green is Go.
Replies: 0
Views: 9596

The Fiber Disease

... in the newly created EVs), and by Donets et al. in electronic pulsed reflex discharges in low pressure drift tubes, whose pulses, first squeezed ... of one of its poles enhanced by a circularly polarized beam of light , while at the other pole, it is diminished. One may think in terms ...

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by Nadas Moksha
Mon Oct 02, 2006 2:29 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5510444

Re: reflex

... pathway for a specific problem. That's why the test are performed! For instance, testing the pupillary response (eyes become contracted when light hit them) isolates the problem to a specific part of the midbrain in the Westphal-Edinger nucleus as well as testing pathways that cross over ...

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by kiekyon
Sun Apr 23, 2006 9:20 am
 
Forum: General Discussion
Topic: reflex
Replies: 2
Views: 1962


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