Title

Licking Response Distributions Associated with the Acquisitionof Schedule-Induced Polydipsia

Document Type

Article

Journal/Book Title/Conference

Bulletin of the Society for Psychonomic Science

Volume

2

Issue

4

Publication Date

1973

Abstract

The relation between drinking and pellet delivery was examined in a rat that acquired polydipsia when it was exposed to a free fixed-interval (FFI) 50-sec food (Noyes 45-mg pellets) schedule. A distributional analysis of responding in the interpellet interval indicated that drinking, which was originally distributed equally throughout the interpellet interval, became concentrated predominantly as a postpellet event within the first FFI session. The redistribution of drinking as a postpellet event was followed by an increase in water consumption, with asymptotic water intake occurring by the fourth FFI session. These results indicated that schedule-induced polydipsia cannot be attributed to adventitious food reinforcement.

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