Unequal neural survival across ears can make non-place-matched electrodes produce the largest binaural response

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. Further studies with more reference electrodes are necessary to test this assumption. — Dijk, Pim van, Physiology, Psychoacoustics and…, 1451