Abstract
A single neural model is proposed to account for how responses of the two eyes and two ears combine to form the perception of binocular brightness and binaural loudness respectively. It involves nonlinear reciprocal feedback inhibition between left and right channels, followed by linear summation between the channels. Local circuit synaptic interactions are an important source of nonlinearity. The model combines inputs in a manner that approximates vector magnitude models in general. This suggests that the model can be applied to a variety of circumstances beyond the visual and auditory data discussed here.
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Lehky, S.R. A model of binocular brightness and binaural loudness perception in humans with general applications to nonlinear summation of sensory inputs. Biol. Cybernetics 49, 89–97 (1983). https://doi.org/10.1007/BF00320389
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DOI: https://doi.org/10.1007/BF00320389