Abstract
Mismatch negativity and neural adaptation: Two sides of the same coin. Response: Commentary: Visual mismatch negativity: a predictive coding view.
Highlights
Our recent paper (Stefanics et al, 2014) provided a comprehensive review of the visual MMN literature from a predictive coding perspective
We argued the MMN reflects a phenomenon consisting of multiple neural processes underlying the initial response to rare, unpredicted stimuli and the attenuation of this response over subsequent stimulus repetitions
In other fields which focus on stimulus-specific adaptation (SSA) instead of deviance detection repetition suppression (RS) is attributed to active memory processes
Summary
Our recent paper (Stefanics et al, 2014) provided a comprehensive review of the visual MMN literature from a predictive coding perspective. In our review we often referred to the contribution of the repetition effect to the MMN as “refractoriness” and highlighted that predictive coding offers a unified framework to explain the multiple mismatch processes. O’Shea (2015) argued that a “better term for refractoriness is ‘adaptation’ [and that] adaptation ought to be harmonized into any complete MMN explanation.”. The MMN community considered the standard-related effects irrelevant to deviance detection. In other fields which focus on stimulus-specific adaptation (SSA) instead of deviance detection (psychophysics, cellular electrophysiology, and neuroimaging) RS is attributed to active memory processes. Replacing refractoriness in the MMN vocabulary with adaptation terms would help the field acknowledge that deviance detection is intricately linked to the process of regularity extraction, which in turn is linked to adaptation or Mismatch Negativity and Neural Adaptation. Each of these terms is used to describe several related concepts and phenomena, and it is hard to pin one concept on one term
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