Use of an ambiguous-sample procedure to establish a cue to forget in pigeons.

  • Douglas S Grant
  • Published 1989 in Journal of the experimental analysis of behavior


Pigeons were trained on a variation of the matching-to-sample task in which on double-sample trials two samples, one associated with each of the comparison stimuli, were presented successively. Responding to the comparison associated with the first sample was reinforced on half the double-sample trials, and responding to the comparison associated with the… (More)