Reports

Cues: Their Relative Effectiveness as a Function of the Reinforcer

Science  17 May 1968:
Vol. 160, Issue 3829, pp. 794-795
DOI: 10.1126/science.160.3829.794

Abstract

Two cues, either size or flavor of food pellet, were conditionally paired with either malaise induced by x-ray or pain induced by shock in four groups of rats. The combination of flavor and illness produced as conditioned decrement in consumption, but that of size and illness did not. Conversely, the combination of size and pain produced an inhibition of eating, but flavor and pain did not. Apparently, effective associative learning depends on central neural convergence of the paired afferent input.

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