Representation of loudness in the auditory cortex

Handbook of Clinical Neurology
Christoph E Schreiner, Brian J Malone

Abstract

Changes in stimulus intensity are reflected in changes in the fundamental perceptual attribute of loudness. Stimulus intensity changes also profoundly impact the evoked neural responses throughout the auditory system. A fundamental question is how measurements of neural activity, from the single-neuron level to mass-activity metrics such as functional magnetic resonance imaging or magnetoencephalography, reflect the physical properties of stimulus intensity as opposed to perceived loudness. In this chapter we discuss findings from psychophysics and animal neurophysiology as well as human brain activity measurements to clarify our current understanding of the neural mechanisms that contribute to the perceptual correlate of stimulus intensity.

Citations

Jul 21, 2020·Attention, Perception & Psychophysics·Haleh FarahbodGregory Hickok
Mar 18, 2021·Scientific Reports·Margreet VogelzangEsther Ruigendijk
Jul 10, 2021·Frontiers in Psychology·Iko PieperStephan D Ewert

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