Abstract
Rats and fish were tested with their VI schedule one time during each deprivation period. The 23-hr. deprivation rats and fish were tested with the operant task at 1, 3, 5, or 22 hours after a feeding session; 95-hr. deprivation fish were tested 1, 5, 46, or 94 hours after feeding. Rats and fish with 23-hr. deprivation schedules and fish with 95-hr. deprivation schedules responded at a higher rate for the shorter VI-1 schedule. Rats and fish responded at a higher rate for test sessions closer to feeding periods. Fish, unlike rats, decreased their response rate across blocks of sessions.
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Hurst, J.W., Wolach, A.H. Deprivation Conditions as Determinants of Differences in Fish (Carassius Auratus) and Rat Performance. Psychol Rec 25, 355–362 (1975). https://doi.org/10.1007/BF03394327
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DOI: https://doi.org/10.1007/BF03394327