Headjerking and rearing CRs to auditory and visual CSs

This video clip compares the CRs made by rats to 5-s auditory and visual CSs that have been paired with food pellet USs. The auditory CS is an 80 dB 3000 Hz tone and is shown as a blue musical note. The visual CS is the light on the wall of the Skinner box. Presentation of the food pellets is symbolized with a red dot. Note that the nature of the CR depends on the modality of the CS (see Holland, 1977). (1:11)

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