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. 2013 Oct 24;4:786. doi: 10.3389/fpsyg.2013.00786

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Copyright © 2013 Hummel, Olgun, Gerber, Huchel and Frasnelli.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Brain activation after stimulation with odors. Highlighted areas include left insula (cross hair), left amygdala (red circle) and right amygdala/piriform cortex (green circle). Contrast: [AMB + HEN + MIX] vs. CON; y = −1.