1995
DOI: 10.1111/j.1469-8986.1995.tb01226.x
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Mismatch negativity to auditory stimulus change recorded directly from the human temporal cortex

Abstract: Mismatch negativity (MMN) is an event-related potential (ERP) component elicited by any discernible change in a repetitive sound even in the absence of attention. Previous studies have established that MMN is generated by change detection in a process comparing the deviant sensory input with the neural memory trace encoding the physical features of the repetitive sound. In the present study, we recorded MMNs to tonal frequency changes directly from the human temporal cortex of patients with electrodes implante… Show more

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Cited by 168 publications
(81 citation statements)
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“…For example, generators for the MMN are thought to be from the auditory cortex (Kropotov et al, 1995) with physical separation of foci for processing of pitch and duration (Molholm et al, 2005), similar to the current findings. Some workers have also noted activation from frontal generators thought to reflect a shift of attention toward the deviant, although recent work suggests that the role of the frontal generator may not depend on attention requirements (Shalgi and Deouell, 2007).…”
Section: Discussionsupporting
confidence: 83%
See 1 more Smart Citation
“…For example, generators for the MMN are thought to be from the auditory cortex (Kropotov et al, 1995) with physical separation of foci for processing of pitch and duration (Molholm et al, 2005), similar to the current findings. Some workers have also noted activation from frontal generators thought to reflect a shift of attention toward the deviant, although recent work suggests that the role of the frontal generator may not depend on attention requirements (Shalgi and Deouell, 2007).…”
Section: Discussionsupporting
confidence: 83%
“…Specifically, Pick-Atlas defined ROI masks were applied and peak t values were generated for left and right Brodmann Areas 41, 42, and STG for the deviant condition (three regions of interest (ROI) per side per experiment, 12 in total). These regions were selected a priori as they likely are the regions involved in tone processing (Yoo et al, 2005;Kropotov et al, 1995;Alho, 1995). Note that Brodmann Area 41 derived from PickAtlas does not directly correspond to the manual Heschl's drawing above.…”
Section: Fmri Statistical Methodsmentioning
confidence: 99%
“…With EEG, MMN is often measured over frontal sites. Sources of the signal have been identified bilaterally in the supratemporal plane, as well as in the right frontal lobe (e.g., Deouell et al, 1998;Giard et al, 1990;Kasai et al, 1999;Kropotov et al, 1995;Levänen et al, 1996;Rinne et al, 2000). Importantly, MMN is not evoked under conditions of continuously changing stimuli, unless the so-called deviant is itself a repetition (repetition negativity, 1 e.g., Horváth and Winkler, 2004).…”
Section: Mismatch Negativitymentioning
confidence: 99%
“…Similarly, mismatch potentials recorded from temporal (mastoid) and frontal electrodes partially may originate from different sources, despite the polarity inversion typical for a single dipole source in the superior temporal plane. This was based on studies of MMN scalp topography (Giard et al, 1990(Giard et al, , 1995Baldeweg et al, 1999Baldeweg et al, , 2002Rinne et al, 2000) and developmental changes (Gomot et al, 2000) and intracranial recordings in humans Halgren et al, 1995;Kropotov et al, 1995;Liasis et al, 2001;Rosburg et al, 2005). This dissociation was also visible here, showing ERP repetition effects in frontal but not in temporal electrodes in the passive condition.…”
Section: Neural Generators Of Rpmentioning
confidence: 99%