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Updated: Feb 19, 2026

A Method for Tracking the Time Evolution of Steady-State Evoked Potentials
Published on: May 25, 2019
Linear combination of auditory steady-state responses evoked by co-modulated tones
François Guérit1, Jeremy Marozeau1, Bastian Epp1
1Hearing Systems group, Department of Electrical Engineering, Technical University of Denmark, DK-2800, Kongens Lyngby, Denmark fguerit@elektro.dtu.dk, jemaroz@elektro.dtu.dk, bepp@elektro.dtu.dk.
Abstract:
Up to medium intensities and in the 80-100-Hz region, the auditory steady-state response (ASSR) to a multi-tone carrier is commonly considered to be a linear sum of the dipoles from each tone specific ASSR generator. Here, this hypothesis was investigated when a unique modulation frequency is used for all carrier components. Listeners were presented with a co-modulated dual-frequency carrier (1 and 4 kHz), from which the modulator starting phase Φi of the 1-kHz component was systematically varied. The results support the hypothesis of a linear superposition of the dipoles originating from different frequency specific ASSR generators.
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