1 definition by Dr. RK Stanley

Top Definition
PCA
Post-Cognitive Awareness.

Term used to define the heightened sense of awareness one has to a subject following their initial exposure to it.
"Here's a classic PCA moment. I'd never even heard of the Indian poet/philosopher Tagore until yesterday and in the 24 hours since then I've heard 3 different people make reference to him".
by Dr. RK Stanley September 26, 2006
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