IHC–TM connect–disconnect and efferent control. V

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Abstract
The idea of a set of disconnected inner hair cells (IHC) that can impact the tectorial membrane (TM) is consistent with psychophysical data [from humans]. The model was extended, and the potential for mechanical interaction between the IHC and outer hair cells (OHC) was explored. Apparently, the advantage of IHC-TM disconnect is extended dynamic range, and movement of the OHC and TM, under efferent control, constitutes a mechanical servo system for adjusting IHC-TM spacing along the cochlear partition to achieve this extended range.