The four ILD functions. Typical four ideal ILD functions (A), namely they are, Sigmoidal (EI), Sigmoidal (IE), Peak, and Insensitive. These four ILD type representations are slightly perturbed to give more realistic aspect (B). Four ILD patterns are described in numbers of spike counts “#sp.c.” (spikes/ stimulus) which varied between maxima of ‘m’ units (m ∈ ℵ) and minima of ‘0’ zero unit, within -30dB to +30dB interaural level differences.
Uragun and Rajan BMC Neuroscience 2013 14:114 doi:10.1186/1471-2202-14-114