The Simon effect, that is the advantage of the spatial correspondence between stimulus and response locations when stimulus location is task irrelevant, occurs even when the task is performed by two participants, each performing a go/no-go task. This effect, known as the joint Simon effect, does not emerge when participants sit outside each other’s peripersonal space, thus suggesting that the presence of an active confederate in peripersonal space might provide a reference for response coding. The present study investigated whether this finding is due to the distance separating the participants and/or to the distance separating each participant and the other agent’s response. In two experiments, pairs of participants performed a social detection task sitting outside each other’s arm reach, with response keys located close to the participants or outside arm reach. When the response key was located outside the participant’s arm reach, he/she could reach it by means of a tool. In Experiment 1, by means of a tool, participants could reach their response key only, while in Experiment 2, they could reach also their co-agent’s response key. The joint Simon effect did not emerge when participants could not reach the co-actor’s response, while it emerged when they could potentially reach the other participant’s response using the tool, but only when turn taking was required. These results may be taken as evidence that the possibility to reach and act upon the co-actor’s response key may be at the bases of compatibility effects observed in joint action contexts requiring complementary responses.

The role of the co-actor’s response reachability in the joint Simon effect: remapping of working space by tool use / Iani, Cristina; Ciardo, Francesca Maria; Panajoli, Simone; Lugli, Luisa; Rubichi, Sandro. - In: PSYCHOLOGICAL RESEARCH. - ISSN 0340-0727. - 85:2(2019), pp. 521-532. [10.1007/s00426-019-01271-6]

The role of the co-actor’s response reachability in the joint Simon effect: remapping of working space by tool use.

Iani Cristina
;
Ciardo Francesca Maria;Panajoli Simone;Lugli Luisa;Rubichi Sandro
2019-01-01

Abstract

The Simon effect, that is the advantage of the spatial correspondence between stimulus and response locations when stimulus location is task irrelevant, occurs even when the task is performed by two participants, each performing a go/no-go task. This effect, known as the joint Simon effect, does not emerge when participants sit outside each other’s peripersonal space, thus suggesting that the presence of an active confederate in peripersonal space might provide a reference for response coding. The present study investigated whether this finding is due to the distance separating the participants and/or to the distance separating each participant and the other agent’s response. In two experiments, pairs of participants performed a social detection task sitting outside each other’s arm reach, with response keys located close to the participants or outside arm reach. When the response key was located outside the participant’s arm reach, he/she could reach it by means of a tool. In Experiment 1, by means of a tool, participants could reach their response key only, while in Experiment 2, they could reach also their co-agent’s response key. The joint Simon effect did not emerge when participants could not reach the co-actor’s response, while it emerged when they could potentially reach the other participant’s response using the tool, but only when turn taking was required. These results may be taken as evidence that the possibility to reach and act upon the co-actor’s response key may be at the bases of compatibility effects observed in joint action contexts requiring complementary responses.
25-nov-2019
85
2
521
532
The role of the co-actor’s response reachability in the joint Simon effect: remapping of working space by tool use / Iani, Cristina; Ciardo, Francesca Maria; Panajoli, Simone; Lugli, Luisa; Rubichi, Sandro. - In: PSYCHOLOGICAL RESEARCH. - ISSN 0340-0727. - 85:2(2019), pp. 521-532. [10.1007/s00426-019-01271-6]
Iani, Cristina; Ciardo, Francesca Maria; Panajoli, Simone; Lugli, Luisa; Rubichi, Sandro
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1207243
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