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. 2015 Oct 8;44:975–990. doi: 10.1007/s10802-015-0085-9

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© The Author(s) 2015

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 1 — Time flow of trials This figure illustrates the time flow of two consecutive trials with fearful expressions. The trials in each block were clustered in pairs, such that each emotional expression with one head/gaze direction (fearful faces with the right head/gaze direction in the figure) appeared in two consecutive trials with two different objects on the left and right side of the screen. The order of the objects’ position in each pair of trials (presented on the right and left side of the figure) was randomly determined. The same expression appeared with the reverse head/gaze (i.e., fearful faces with left head/gaze direction in this case) and with novel objects in the other block. Each trial started with an attention getter displayed at the center for 500 ms, and consisted of object presented at the center of the screen (Object Alone I), a face appearing at the center of the screen with head and gaze towards the left or right, first alone (Face Alone), and then together with the object on the left or right side of the screen (Object + Face). The trial ended with the second presentation of the object alone at the center (Object Alone II). A 70 ms auditory sound was used as attention getter at time points indicated with a sound icon.