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. 2014 Apr 2;5:274. doi: 10.3389/fpsyg.2014.00274

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Copyright © 2014 Kassuba, Klinge, Hölig, Röder and Siebner.

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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Illustration of the event-related fMRI paradigm. Each trial consisted of a sample (S1) and a target object stimulus (S2), and subjects had to decide by button press whether the two objects were congruent (50%) or incongruent (50%). S1 and S2 were either haptic or visual stimuli, and both could be presented either within the same modality (unimodal) or across modalities (crossmodal). A white or black visually presented exclamation (I1) and question mark (I2) before the stimuli informed the subjects about the sensory modality S1 and S2, respectively, would be presented in. ISI, inter-stimulus-interval; ITI, inter-trial-interval. Reprinted from NeuroImage, 65, Kassuba et al., Vision holds a greater share in visuo-haptic object recognition than touch, p. 61, Copyright Elsevier Inc. (2013a), with permission from Elsevier.