Abstract
Rats were trained under a 24-h water-deprivation regimen to press either of two bars to obtain water reinforcement in a daily 32-min operant session, then tested after a 47-h water-deprivation period. Measures were made of uncertainty of left- or right-bar response sequences and of the Fourier frequency spectra of 30-sec response rates throughout each session. Coefficients of variation of frequency magnitudes, but not uncertainty values, were significantly reduced by increased thrist.
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References
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Crow, L.T. Fourier analyses of water-reinforced response rates at two levels of thirst in the rat. Bull. Psychon. Soc. 29, 419–420 (1991). https://doi.org/10.3758/BF03333958
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DOI: https://doi.org/10.3758/BF03333958