Ruzzoli, M. and Soto-Faraco, S. (2017) Modality-switching in the Simon task: The clash of reference frames. Journal of Experimental Psychology: General, 146(10), pp. 1478-1497. (doi: 10.1037/xge0000342) (PMID:28639796)
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Abstract
The representation of spatial information related to an event can influence behavior even when location is task-irrelevant, as in the case of Stimulus–Response (S-R) compatibility effects on the Simon task. However, unlike single-modality situations, which are often used to study the Simon effect, in real-life scenarios various sensory modalities provide spatial information coded in different coordinate systems. Here, we address the expression of S-R compatibility effects in mixed-modality contexts, where events can occur in 1 of various sensory modalities (i.e., vision, touch or audition). The results confirm that, in single-modality cases, Simon effects in vision are expressed in an external spatial frame of reference, while touch information is coded anatomically. Remarkably, when mixing visual and tactile trials in an unpredictable way, the Simon effect disappeared in vision whereas tactile Simon effects remained expressed in their own (anatomical) frame of reference. Mixing visual and auditory stimuli did not obliterate the visual Simon effect and S-R compatibility effects in an external reference frame were evident for both modalities. The extinction of visual Simon effects as a result of mixing visual and tactile modalities can be interpreted as a consequence of the dynamic reorganization of the weights associated to the different sources of spatial information at play.
| Item Type: | Articles |
|---|---|
| Additional Information: | This research was supported by the Ministerio de Economia y Competitividad (PSI2016-75558-P), the AGAUR Generalitat de Catalunya (2014SGR856), and the European Research Council (StG-2010 263145) to Salvador Soto-Faraco. Manuela Ruzzoli was supported by the Juan de la Cierva postdoctoral fellowship (JCI-2012-12335) from the Ministerio de Economia y Competitividad. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Ruzzoli, Dr Manuela |
| Authors: | Ruzzoli, M., and Soto-Faraco, S. |
| College/School: | College of Medical Veterinary and Life Sciences > School of Psychology & Neuroscience |
| Journal Name: | Journal of Experimental Psychology: General |
| Publisher: | American Psychological Association |
| ISSN: | 0096-3445 |
| ISSN (Online): | 1939-2222 |
| Published Online: | 22 June 2017 |
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