Effects upon rats' responses on a running wheel of single alternation of large and small rewards and external cues

Thirty‐two rats were trained to run on a running wheel for one or six pellets of food, in either single alternation (SA) or quasi‐random sequences of reward magnitude and with external cues either informing or not informing the rats of the reward magnitude. Reward‐magnitude discrimination was clearly shown when the informative cues were given, but without such cues the SA patterning of responding appeared only late in training. The reward‐magnitude discrimination developed most quickly when internal (SA) cues and external informative cues were both present; the effects of these two classes of cues on discrimination were interactive rather than additive. Possible explanations are given for the superior discrimination under the condition where both the internal and external cues were present over the condition when only the external cues were present

Alternation (linguistics) · Cognitive psychology · Cue-dependent forgetting · Sensory cue · Communication · Neuroendocrine regulation and behavior · Neurotransmitter Receptor Influence on Behavior · Psychology · Stress Responses and Cortisol

• Principles of perceptual learning and development

  Eleanor Jack Gibson•Principles of perceptual learning…•1969

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• Frustrative nonreward in partial reinforcement and discrimination learning

  Abram Amsel•Psychological Review•1962

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