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. 2011 Apr 29;6(4):e19165. doi: 10.1371/journal.pone.0019165

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Petrini et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Activation assessed in Experiment 1 by contrasting the brain response for the audiovisual displays with that for the auditory– and visual–only displays: (AV>A)∩(AV>V). (a) The averaged contrast estimates for the audiovisual, auditory and visual conditions are reported separately for the three emotional categories (sadness, happiness, and surprise). The audiovisual emotional conditions (thalamus: mean = 1. 309±0.248; culmen: 0.661±0.242) activated these areas more than either the auditory (thalamus: mean = 0.844±0.155; culmen: 0.279±0.248) or visual conditions (thalamus: mean = 0.974±0.168; culmen: 0.143±0.316), similarly for all the portrayed emotions. (b) Event-related bold signals are shown for auditory (red), visual (green) and audiovisual (blue). The error bars represent the standard error of the mean. L = left hemisphere; R = right hemisphere.