Abstract
The response rate of six male albino rats was studied during an 80 second fixed-interval operant response situation under conditions of light and dark, quiet and noise. The inter-reinforcement interval was divided into four sub-intervals of 20 seconds each. A significant illumination effect was obtained as well as significant differences within the inter-reinforcement interval. A significant interaction between illumination and sub-intervals was obtained. The results are discussed in relation to arousal and an “internal clock” mechanism.
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1. This work was supported by Grant MH-04539 from the National Institute of Mental Health.
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Isaac, W., Kendall, N.P. Sensory stimulation and timing behavior. Psychon Sci 8, 41–42 (1967). https://doi.org/10.3758/BF03330657
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DOI: https://doi.org/10.3758/BF03330657