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Composite EMG activity for the eyelids that were ipsilateral (solid line) and contralateral (dashed line) to the location of the unconditioned stimulus (US) during sessions 1, 5 and 10. Eyelid responses were elicited by the conditioned stimulus (CS) on CS-alone probe trials (A) and to the US on paired trials (B) for rats given paired training. Eyelid responses were elicited to US-alone presentations (C) for rats given unpaired training.
