The influence of dyadic gaze dynamics on joint and individual decisions

Timmermans, Bert and Barisic, Iva and Hermens, Frouke and Schilbach, Leonhard (2015) The influence of dyadic gaze dynamics on joint and individual decisions. In: European Conference on Visual Perception, 23 - 28 August 2015, Liverpool.

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Item Type:Conference or Workshop contribution (Presentation)
Item Status:Live Archive

Abstract

How do interpersonal behavioural dynamics predict individual and joint decisions? Recent interactionist views on social cognition suggest that the most under-studied and important aspect of social cognition may be interaction dynamics. However, it has hitherto proven extremely difficult to devise a controlled setup in which social cues, such as eye gaze, are
subject to unconstrained interaction. To address these issues, we use a dual interactive eye-tracking paradigm. Participants are presented with the face of an anthropomorphic avatar, the eye movements of which are linked in real-time to another participant’s eye-gaze. This allows for control of interaction aspects that are not related to the experience of gaze contingency. Participants have to choose which one out of two spheres on either side of the avatar face is the largest. These spheres can have a medium, small, and no difference. Specifically in the latter condition, gaze dynamics guide choices. Using cross-recurrence quantification, we analyse the time course of the gaze interactions and look at how this predicts individual and joint decisions about sphere size, which participant will follow the other, and assess collaboration in a subsequent “stag hunt” game, a variation on the prisoner’s dilemma game.

Keywords:Social cognition, eye movements
Subjects:C Biological Sciences > C830 Experimental Psychology
Divisions:College of Social Science > School of Psychology
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ID Code:18419
Deposited On:20 Aug 2015 13:56

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