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And NOW They Listen?!

Posted by mwallach on April 14, 2012 in My Kids

Dear That’s Life, In the 1890s, Russian scientist Ivan Pavlov conducted an experiment. Using dogs, he repeatedly presented the animals with two stimuli which, because of their proximity to each other, were eventually seen by his subjects as one. The ringing of the bell and the presentation of food were initially presented apart, with first [...]

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