Simultaneous EEG-fMRI reveals attention-dependent coupling of early face processing with a distributed cortical network

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Bayer, M., Rubens, M. T. and Johnstone, T. (2018) Simultaneous EEG-fMRI reveals attention-dependent coupling of early face processing with a distributed cortical network. Biological Psychology, 132. pp. 133-142. ISSN 0301-0511 doi: 10.1016/j.biopsycho.2017.12.002

Abstract/Summary

The speed of visual processing is central to our understanding of face perception. Yet the extent to which early visual processing influences later processing in distributed face processing networks, and the top-down modulation of such bottom-up effects, remains unclear. We used simultaneous EEG-fMRI to investigate cortical activity that showed unique covariation with ERP components of face processing (C1, P1, N170, P3), while manipulating sustained attention and transient cognitive conflict employing an emotional face-word Stroop task. ERP markers of visual processing within 100 ms after stimulus onset showed covariation with brain activation in precuneous, posterior cingulate gyrus, left middle temporal gyrus, left inferior frontal gyrus and frontal operculum, and a left lateral parietal-occipital cluster, illustrating the impact of early stage processing on higher-order mechanisms. Crucially, this covariation depended on sustained attentional focus and was absent for incongruent trials, suggesting flexible top-down gating of bottom-up processing.

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Item Type	Article
URI	https://reading-clone.eprints-hosting.org/id/eprint/74377
Identification Number/DOI	10.1016/j.biopsycho.2017.12.002
Refereed	Yes
Divisions	Interdisciplinary Research Centres (IDRCs) > Centre for Integrative Neuroscience and Neurodynamics (CINN) Life Sciences > School of Psychology and Clinical Language Sciences > Department of Psychology Life Sciences > School of Psychology and Clinical Language Sciences > Neuroscience Life Sciences > School of Psychology and Clinical Language Sciences > Psychopathology and Affective Neuroscience
Uncontrolled Keywords	EEG, fMRI, face processing, attention, Stroop
Publisher	Elsevier
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Funders:	Biotechnology and Biological Sciences Research Council	The sponsoring bodies who contributed funding for the creation of this item. Example: NERC Example: The Royal Society of Chemistry A pick list of funders may appear as you type in the funder's name in full or as an acronym. Select a correct match to complete the field or type in a new entry in full. For new entries, the full name is preferred.
Projects:	Using FMRI and TMS to probe the functional connectivity of prefrontal cortex and amygdala in top-down regulation of emotion Funded by: Biotechnology and Biological Sciences Research Council (BB/H011021/1 - £532,475) Local Lead (PI): Tom Johnstone Project Lead: Iain Thomas Johnstone 1 November 2010 - 30 April 2014	Click Add to select your project (received at Reading) from an autocomplete list.

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Date Deposited:	15 Dec 2017 16:54	Date item deposited into CentAUR
Last Modified:	23 Jun 2024 02:04	Date item last modified

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