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the word 'perception' has two meaning in wikipedia:

perception is the process of attaining awareness or understanding of sensory information

example 1:

With microphones, cameras, accelerometers, compasses, temperature gauges, and brightness detectors, smartphones have become extra-sensory devices, able to augment your own perceptions.

example 2:

cannot perceive it, out of perception.

I think the example 1 take the first meaning and example 2 take the second. why i need to make this difference ? Because my teacher told me that Human perception is limited by the capacity of sense organs. which means we cannot augment perception. And yes, we human being can employ the man-made sensors, but actually it's the man-made sensors perceive the world, not us. they just told us the results, we didn't perceive it, we just know it.

so, I want to know the actually meaning of 'perception'. if perception only means get information from 5 normal sensors of human. then the example 1 is wrong!

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Well, there's nothing to say that example 1 can't be wrong. If you limit 'perception' only to that which your senses (of which there are quite a few more than 5) sense, then, yes, it could well be wrong. –  user3444 Jan 31 '11 at 22:24
    
What' your definition for the word perception ? This is what I want to know, because I'm not a native speaker. –  user3780 Jan 31 '11 at 22:31
    
Didn't you already ask that earlier today in another question? –  user3444 Jan 31 '11 at 22:46
    
About the word "perception" really asks about the differences between three words. –  kiamlaluno Feb 1 '11 at 5:43
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1 Answer

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The description for perception given from the NOAD is:

the ability to see, hear, or become aware of something through the senses: the normal limits to human perception.
  • the state of being or process of becoming aware of something in such a way: the perception of pain.
  • a way of regarding, understanding, or interpreting something; a mental impression: Hollywood's perception of the tastes of the American public | we need to challenge many popular perceptions of old age.
  • intuitive understanding and insight: “He wouldn't have accepted,” said my mother with unusual perception.

The first example sentence says that such devices increase the perception we have through our senses, in the same way a telescope increase our sensorial perceptions; for example, the cellular phone increases (in a figurative way), what we can hear, as it allows to hear people who is far from us.

In the second example, perception is used to mean a way of regarding, understanding, or interpreting something, or mental impression.

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