Digital Commons Network^™

Auditory Attentional Deficit In Schizophrenia, Esther Ann Gimpel

University of the Pacific Theses and Dissertations

Differences in auditory detection performance between schizophrenics and normals were examined in terms of the attentional processes involved. Each of 40 ~s (20 schizophrenics categorized along the dimensions of paranoia, premorbidity, and acuteness; and 20 hospital technical staff) were presented with 30 50-trial blocks of a tone detection task using 6 auditory ensembles consisting of 2 tones apiece separated by varying . ,. frequency bands. Tones were masked by white noise and presented in a free-running trial manner. The commonly found decrement in detection performance with normal subjects as the tones in the ensembles become more widely separated was replicated. …