For the psychophysicists (or others) among us I wonder if you can supply
comments/answers on these statements/questions:
1. My understanding is that it takes about .25 sec for a person to become
consciously aware of a visual stimulus. Is this estimate still accurate?
2. However I dont think it takes this long for us to perceive visual events in
the world. That is, with a 'stream of consciousness' we can presumably perceive
events closer in time. So my question here is: What is the lower temporal limit
a person can perceive sequential flashes of a visual stimulus as distinct?
This timeframe would presumably indicate the lower limit of conscious awareness
of visual events in a normal visual environment.
3. Does our visual awareness have to be reset? That is, if we come out of a
coma (and open our eyes) presumably we would need the .25 sec to perceive our
first visual stimulation from the environment (ignoring obvious other problems
:-) ).
If this is so, do we actually do this upon waking every morning.
Any input would be appreciated.
--Mike
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