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Sept 2, 2010, 10:52am

Psyche-Genetics Philosophy Forum :: General Topics :: Science and the Universe :: The Speed of Perception.

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Topic: The Speed of Perception. (Read 236 times)

rainshine87
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The Speed of Perception.
« Thread Started on Apr 7, 2008, 2:55pm »

I don't know if there are any scientific whizzes on here, but I was curious about something and couldn't find an answer through google or wikipedia. I was wondering if anyone knew what the general speed of perception is. I have read that it is about 30 frames per second, but that's a little useless for what I'm trying to understand it for. I was particularly interested in what it's speed is in relation to light. For example, if it might be a fraction of light speed. I'd be grateful if anyone can give me any information on this, even if it's just numbers which I have to figure out myself.

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MagnetMan
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Re: The Speed of Perception.
« Reply #1 on Apr 7, 2008, 5:41pm »

Quote:

. I was wondering if anyone knew what the general speed of perception is. I have read that it is about 30 frames per second, but that's a little useless for what I'm trying to understand it for.

Movie cameras shoot at 24 frames per second. That is slightly in slow motion. Old time cameras shot at 18 frames, that is why all those old movies show higher than normal speed of motion in modern projectors.
22 frames per sec is about right.

Quote:

I was particularly interested in what it's speed is in relation to light. For example, if it might be a fraction of light speed.

24 frames spans one foot of 16mm film per second. Light speed would be 23,569,920,000 16mm frames per second.

« Last Edit: Apr 8, 2008, 9:21am by MagnetMan »

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fay
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Re: The Speed of Perception.
« Reply #2 on Apr 7, 2008, 11:31pm »

well, i am not good at it ,but, i understand it this way.
perception involves the thinking process , which means that the neural activity is happening, which means, the electrical activity is happening in your neurons. so i suppose you have to calculate the speed of electrons passing through your neurons and you will get teh speed of thought or perception.

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piper
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Re: The Speed of Perception.
« Reply #3 on Apr 8, 2008, 12:05pm »

I was just reading about this "Implicit Association Test" ." When photo images flashed so quickly in front of the subject that they can only be detected subliminally, the amygdala, which siganls "Watch Out" (on alarming or distressing photos), is signifigantly more active in response to dangerous photos. If the photos appeared long enough to be processed consciously however the amygdala quieted down and the rational, thoughtful, prefrontal cortex perked up."

Also I know Daniel Goldman author of Social Intelligence has done some work on this.

If I even understand what you are talking about here I think it would be as Fay is saying to caculate that speed at which the amygdala records stimulus...

« Last Edit: Apr 8, 2008, 3:19pm by piper »

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Kwan Yu
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Re: The Speed of Perception.
« Reply #4 on Apr 8, 2008, 11:51pm »

It can take a week
for the penny to drop

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Re: The Speed of Perception.
« Reply #5 on Apr 9, 2008, 11:10am »

lol, sorry I couldn't help myself

« Last Edit: Apr 9, 2008, 11:16am by Lasher »

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