title: Trace and delay classical eyelid conditioning in severely and profoundly retarded subjects as a function of interstimulus interval.
mesh_terms: D000293:Adolescent; D000328:Adult; D001307:Auditory Perception; D003215:Conditioning, Eyelid; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000503:physiopathology*; D008297:Male; D013997:Time Factors