Investigating the brain basis of facial expression perception using multi-voxel pattern analysis

Wegrzyn M, Riehle M, Labudda K, Woermann F, Baumgartner F, Pollmann S, Bien CG, Kißler J (2015)
Cortex 69: 131-140.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
Humans can readily decode emotion expressions from faces and perceive them in a categorical manner. The model by Haxby and colleagues proposes a number of different brain regions with each taking over specific roles in face processing. One key question is how these regions directly compare to one another in successfully discriminating between various emotional facial expressions. To address this issue, we compared the predictive accuracy of all key regions from the Haxby model using multi-voxel pattern analysis (MVPA) of functional magnetic resonance imaging (fMRI) data. Regions of interest were extracted using independent meta-analytical data. Participants viewed four classes of facial expressions (happy, angry, fearful and neutral) in an event-related fMRI design, while performing an orthogonal gender recognition task. Activity in all regions allowed for robust above-chance predictions. When directly comparing the regions to one another, fusiform gyms and superior temporal sulcus (STS) showed highest accuracies. These results underscore the role of the fusiform gyrus as a key region in perception of facial expressions, alongside STS. The study suggests the need for further specification of the relative role of the various brain areas involved in the perception of facial expression. Face processing appears to rely on more interactive and functionally overlapping neural mechanisms than previously conceptualised. (C) 2015 Elsevier Ltd. All rights reserved.
Erscheinungsjahr
Zeitschriftentitel
Cortex
Band
69
Seite
131-140
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Wegrzyn M, Riehle M, Labudda K, et al. Investigating the brain basis of facial expression perception using multi-voxel pattern analysis. Cortex. 2015;69:131-140.
Wegrzyn, M., Riehle, M., Labudda, K., Woermann, F., Baumgartner, F., Pollmann, S., Bien, C. G., et al. (2015). Investigating the brain basis of facial expression perception using multi-voxel pattern analysis. Cortex, 69, 131-140. doi:10.1016/j.cortex.2015.05.003
Wegrzyn, M., Riehle, M., Labudda, K., Woermann, F., Baumgartner, F., Pollmann, S., Bien, C. G., and Kißler, J. (2015). Investigating the brain basis of facial expression perception using multi-voxel pattern analysis. Cortex 69, 131-140.
Wegrzyn, M., et al., 2015. Investigating the brain basis of facial expression perception using multi-voxel pattern analysis. Cortex, 69, p 131-140.
M. Wegrzyn, et al., “Investigating the brain basis of facial expression perception using multi-voxel pattern analysis”, Cortex, vol. 69, 2015, pp. 131-140.
Wegrzyn, M., Riehle, M., Labudda, K., Woermann, F., Baumgartner, F., Pollmann, S., Bien, C.G., Kißler, J.: Investigating the brain basis of facial expression perception using multi-voxel pattern analysis. Cortex. 69, 131-140 (2015).
Wegrzyn, Martin, Riehle, Marcel, Labudda, Kirsten, Woermann, Friedrich, Baumgartner, Florian, Pollmann, Stefan, Bien, Christian G., and Kißler, Johanna. “Investigating the brain basis of facial expression perception using multi-voxel pattern analysis”. Cortex 69 (2015): 131-140.

8 Zitationen in Europe PMC

Daten bereitgestellt von Europe PubMed Central.

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