Do you see what I see? Co-actor posture modulates visual processing in joint tasks

Constable, Merryn, Pratt, Jay, Gozli, Davood G. and Welsh, Timothy N. (2015) Do you see what I see? Co-actor posture modulates visual processing in joint tasks. Visual Cognition, 23 (6). pp. 699-719. ISSN 1350-6285

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Interacting with other people is a ubiquitous part of daily life. A complex set of processes enable our successful interactions with others. The present research was conducted to investigate how the processing of visual stimuli may be affected by the presence and the hand posture of a co-actor. Experiments conducted with participants acting alone have revealed that the distance from the stimulus to the hand of a participant can alter visual processing. In the main experiment of the present paper, we asked whether this posture-related source of visual bias persists when participants share the task with another person. The effect of personal and co-actor hand-proximity on visual processing was assessed through object-specific benefits to visual recognition in a task performed by two co-actors. Pairs of participants completed a joint visual recognition task and, across different blocks of trials, the position of their own hands and of their partner's hands varied relative to the stimuli. In contrast to control studies conducted with participants acting alone, an object-specific recognition benefit was found across all hand location conditions. These data suggest that visual processing is, in some cases, sensitive to the posture of a co-actor.

Item Type: Article
Uncontrolled Keywords: feature integration, hand proximity, simulation, joint action, joint perception, perspective taking, mental state attribution
Subjects: C800 Psychology
Department: Faculties > Health and Life Sciences > Psychology
Depositing User: Rachel Branson
Date Deposited: 03 Mar 2020 13:01
Last Modified: 31 Jul 2021 19:33

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