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A frontal attention mechanism in the visual mismatch negativity

Hedge, Craig ORCID:, Stothart, George, Todd Jones, Jenna, Rojas Frías, Priscila, Magee, Kristopher Lundy and Brooks, Jonathan C.W. 2015. A frontal attention mechanism in the visual mismatch negativity. Behavioural Brain Research 293 , pp. 173-181. 10.1016/j.bbr.2015.07.022

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Automatic detection of environmental change is a core component of attention. The mismatch negativity (MMN), an electrophysiological marker of this mechanism, has been studied prominently in the auditory domain, with cortical generators identified in temporal and frontal regions. Here, we combined electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) to assess whether the underlying frontal regions associated with auditory change detection also play a role in visual change detection. Twenty healthy young adults completed a visual MMN task in separate EEG and fMRI sessions. Region of interest analyses were conducted on left and right middle frontal (MFG) and inferior frontal (IFG) gyri, i.e., the frontal areas identified as potential auditory MMN generators. A significant increase in activation was observed in the left IFG and MFG in response to blocks containing deviant stimuli. These findings suggest that a frontal mechanism is involved in the detection of change in the visual MMN. Our results support the notion that frontal mechanisms underlie attention switching, as measured via MMN, across multiple modalities.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Uncontrolled Keywords: Attention; Inferior frontal gyrus; Mismatch negativity; Visual attention; vMMN
Additional Information: Open Access funded by Biotechnology and Biological Sciences Research Council. Under a Creative Commons license
Publisher: Elsevier
ISSN: 0166-4328
Funders: BBSRC
Date of Acceptance: 6 July 2015
Last Modified: 28 Oct 2022 09:39

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