Psychol Res 2017 Apr 9. Epub 2017 Apr 9.
Università di Padova, Padua, Italy.
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Exp Brain Res 2000 Dec;135(3):353-9
Humboldt-Universität zu Berlin, Biologische Psychologie/Psychophysiologie, Hausvogteiplatz 5-7, 10117 Berlin, Germany.
The Simon effect refers to the finding of faster responses when stimulus and response locations correspond than when they do not, although a nonspatial stimulus feature is task-relevant. These performance differences are usually accounted for by response priming processes directly induced by the task-irrelevant stimulus location. The present study investigated neural mechanisms of response priming in a Simon task at the level of the motor cortex with the help of transcranial magnetic stimulation (TMS) and motor evoked potentials (MEPs) in both arms. Read More
Eur J Neurosci 2015 Feb 12;41(4):487-91. Epub 2014 Dec 12.
Department of Experimental Psychology, Ghent University, Henri Dunantlaan 2, B-9000 Gent, Ghent, Belgium; Department of General Psychology, University of Padua, Padua, Italy.
In choice reaction tasks, subjects typically respond faster when the relative spatial positions of stimulus and response correspond than when they do not, even when spatial information is irrelevant to the task (e.g. in the Simon task). Read More
Neuroimage 2014 Feb 9;86:138-49. Epub 2013 Aug 9.
Institute of Neuroscience, Université catholique de Louvain, Brussels, Belgium. Electronic address:
Top-down control is critical to select goal-directed actions in changeable environments, particularly when several options compete for selection. This control system is thought to involve a mechanism that suppresses activation of unwanted response representations. We tested this hypothesis, in humans, by measuring motor-evoked potentials (MEPs) elicited by transcranial magnetic stimulation (TMS) in a left finger muscle during motor preparation in an adapted Eriksen flanker task. Read More
J Exp Psychol Hum Percept Perform 2013 Apr 10;39(2):593-609. Epub 2012 Sep 10.
Department of Psychological Sciences, Purdue University, 703 Third St., West Lafayette, IN 47907-2081, USA.
Binary-choice reactions are typically faster when the stimulus location corresponds with that of the response than when it does not. This advantage of spatial correspondence is known as the stimulus-response compatibility (SRC) effect when the mapping of stimulus location, as the relevant stimulus dimension, is varied to be compatible or incompatible with response location. It is called the Simon effect when stimulus location is task-irrelevant. Read More