I thought that it was an interesting experiment.
I see the concept of what the "awareness" is refering to. If you are concentrating on only one aspect (guys in white), your conscious mind will tend to block out most other type of interference (guys in black, guy in bear costume). Perhaps this is a uniquely human trait we are talking about. We are able to compartmentalize our observations, showing that we are of a higher order. Also, maybe too darn much amateur psychology on my part...
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