<prompt> A Person hearing two different tones in left and right ear when presented with a single tone. This condition is calledMonoaural diplacusisBinaural diplacusisTinnitusIncreased sensitivity to sound  <response>: Ans. b i.e., Binaural diplacusis Monaural diplacusis:- Inmonauraldiplacusis,alistenerhearstwotoneswhenasingletoneispresentedtoasingle ear, i.e. one ear hears two different tones when presented one.Binaural diplacusis :- In binaural diplacusis, a listener hears two different tones in right left ear when a single tone is presented to both ears.Both monoaural and binaural diplacusis are caused by inhomogeneities in the cochlea that also give rise to spontaneous otoacoustic emissions. 