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Zeldovich Says:

Sep 12, 2008 - The definition of stress here very much misses the point. Stress involves net rates of reinforcement or aversive stimulation and temporally discounted rates of each determine stress levels.

amyleetwin18 Says:

May 4, 2009 - AWESOME!

1888junkteam Says:

Jan 15, 2010 - excellent worker!