Fig. 4.

a An example of a neural health vector ƞ along the cochlea from apex (left) to base (right) with a dead region centred on electrode 17. b The Gaussian current spread (solid blue line) centred on electrode 16 (C₁₆) and the resultant neural activation pattern (dashed red line) for the same electrode that is defined as A₁₆ = C₁₆ $·$ ƞ