Both of Us Disgusted in My Insula

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Both of Us Disgusted in My Insula Bruno Wicker, Christian Keysers, Jane Plailly, Jean-Pierre Royet, Vittorio Gallese, Giacomo Rizzolatti Neuron Volume 40, Issue 3, Pages 655-664 (October 2003) DOI: 10.1016/S0896-6273(03)00679-2

Figure 1 Frames from Movies Used in the Visual Runs The demonstrators leaned forward to sniff at the content of a glass (top two rows) and then retracted the torso and expressed a facial expression of disgust (left) pleasure (center) or neutral (right column). Each movie lasted 3 s. Six different demonstrators (three are shown here) expressed the three types of facial expressions, leading to six variants of each expression. A vision-of-disgust block, for instance, was then composed of the six variants of the disgusted emotion separated by 1 s pauses. Neuron 2003 40, 655-664DOI: (10.1016/S0896-6273(03)00679-2)

Figure 2 Results of the Olfactory Stimulation Results of the olfactory stimulation superimposed on the anatomical image of a standard MNI brain using neurological conventions (right is right). (A) Coronal sections focusing on the amygdalae. Note the large degree of overlap (orange) between the activations determined by disgusting (red) and pleasant odorants (green) in the right amygdala and left parahippocampal cortex. (B) Axial slice showing the response to odorants in the insula. The activity is bilateral and anterior for the disgusting odorants and is confined to a more posterior location of the right insula for the pleasant odorants. There is no overlap in the insula between the activations determined by the two odorants. The color coding is indicated on the bottom right. Neuron 2003 40, 655-664DOI: (10.1016/S0896-6273(03)00679-2)

Figure 3 Illustration of the Overlap Illustration of the overlap (white) between the brain activation during the observation (blue) and the feeling (red) of disgust. The olfactory and visual analysis were performed separately as random-effect analysis. The results are superimposed on parasagittal slices of a standard MNI brain. Neuron 2003 40, 655-664DOI: (10.1016/S0896-6273(03)00679-2)