Preference aversion in mice to bitter substance.
Preference-aversion functions demonstrable for sweet and salty stimuli have been found for a "bitter" substance, sucrose octaacetate, at individually specific concentrations for mice. The data support Schneirla's views correlating stimulus magnitudes and approach-withdrawal. The positive reinforcing value of this bitter substance as a weak stimulus is diminished with continuous exposure and no secondary reinforcement. Avoidance is related to intensity of stimulation rather than modality or postingestion effects.
D000339:Affect; D000818:Animals; D001362:Avoidance Learning; D051379:Mice; D012054:Reinforcement, Psychology; D013395:Sucrose / Q000031:analogs & derivatives; D013649:Taste
C026879:sucrose octaacetate; D013395:Sucrose
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