Gidey W Gezae, Nelson V Barnett, Benjamin Parrell, Divya A Chari, Adam C Lammert
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Subject instructions for improved characterization of auditory representations using reverse correlation.
Reverse correlation (RC) is an established method for reconstructing auditory representations and has recently emerged as a tool for characterizing the sounds experienced by tinnitus patients. Tod further optimize RC for auditory research, the present work investigated the influence of subject instructions on characterization quality of tinnitus-like sounds. A validation study was conducted in which 18 normal-hearing subjects were randomly assigned 1 of 3 candidate instruction sets, each inspired by the RC literature. Results show a significant effect of instruction set on characterization quality and reveal that instructing subjects to detect a hidden signal in the RC stimuli resulted in the best reconstruction.
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