social cognition (theory of mind) fMRI task paradigm TASK

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Participants were presented with short video clips (20 seconds) of objects (squares, circles, triangles) that either interacted in some way, or moved randomly on the screen. These videos were developed by either Castelli and colleagues (Castelli et al. 2000) or Martin and colleagues (Wheatley et al. 2007). After each video clip, participants judge whether the objects had a mental interaction (an interaction that appears as if the shapes are taking into account each other’s feelings and thoughts), Not Sure, or No interaction (i.e., there is no obvious interaction between the shapes and the movement appears random). Each of the two task runs has 5 video blocks (2 Mental and 3 Random in one run, 3 Mental and 2 Random in the other run) and 5 fixation blocks (15 seconds each).

References for the Social Cognition Task: Reliable across subjects and robust activation
(Castelli et al. 2000; Castelli et al. 2002; Wheatley et al. 2007; White et al. 2011).

This task is used in the Human Connectome Project.

http://humanconnectome.org/documentation/S500/HCP_S500+MEG2_Release_Reference_Manual.pdf

Definition contributed by Anonymous
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