Larger BIC amplitude signals place-matched electrodes only when neural survival is equal across ears

Evidence

For the interpretation of the BIC, the straightest assumption is that if the reference electrode and the probe electrode are cochlear place matched, they stimulate similarly “tuned” auditory-nerve fibers that eventually result in binaural interaction in the brain stem and thus in a larger BIC than the other pairs. However, in case of a different neural survival across the ears or within one ear, also non-place matched electrodes may result in the maximum BIC. — Dijk, Pim van, Physiology, Psychoacoustics and…, 1471

Categorization

• DEFINE: Explains the physiological logic underlying BIC as a pairing signal and its key confound.