GENERALIZATION GRADIENTS OBTAINED FROM INDIVIDUAL SUBJECTS FOLLOWING CLASSICAL CONDITIONING.

20 RABBITS WERE GIVEN NONREINFORCED TRIALS WITH SEVERAL TONAL FREQUENCIES AFTER CLASSICAL EYELID CONDITIONING TO AN AUDITORY CS. DECREMENTAL GENERALIZATION GRADIENTS WERE OBTAINED, WITH SS RESPONDING MOST OFTEN TO FREQUENCIES AT OR NEAR THE CS AND LESS OFTEN TO VALUES FARTHER FROM THE CS. THESE GRADIENTS WERE RELIABLY OBTAINED FROM INDIVIDUAL SS, AS HAS PREVIOUSLY BEEN SHOWN FOR OPERANT CONDITIONING.