On Wed, Mar 01, 2006 at 09:42:14AM -0800, Lars Petrus wrote:
> Are there any other comparable cases of instant recognition that
> people do? I haven't had my coffee, so I can't think of any. I'm
> thinking less of conscious memorizing of symbols and more about
> things that plugs into our instinctive abilities. That's often
> thousand of times faster.
This is the massively parallel nature of the brain.
An example is human hearing. In music, we can easily distinguish the
different layers that are being played. The problem is that we start
with a single complex sound wave, and we have to separate it into
different frequencies corresponding to different pitches. Regular PCs
still can't do this as fast as humans can.
How do computers do it? By fourier analysis, a computer can break down a
complex wave into pure sine wave components, each representing a
different frequency that is present in the original signal.
How do humans do it? A human ear has about 20,000 little sensory cells,
each tuned to respond to a different frequency. Each of those sensory
cells has immediate recognition of its own frequency :-)
Ryan
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