Orienting towards unexpected action outcomes
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1
Experimental Psychology, Ghent University, Belgium
Recently we proposed the orienting account for post-error slowing, stating that RT slowing after errors is related to attentional capture by infrequent errors. In this presentation I will discuss several new studies that have confirmed various predictions of this account. We have demonstrated that the P3 (ERP component related to orienting) predicts post-error slowing, that schizophrenic patients (known to be more distractible) show increased post-error slowing compared to controls when the intertrial interval is short, and that post-error slowing is an a-specific effect that transfers over tasks. We also investigated post-error slowing in an experiment without external feedback. We showed that post-error slowing also increases as the likelihood of an error decreases, suggesting that orienting to unexpected action outcomes does not require external feedback. Finally, when manipulating the saliency of an error, we demonstrated more post-error slowing after more salient errors. Importantly, while these empirical data were predicted by the orienting account, more traditional strategic accounts for error monitoring have difficulties in explaining these observations.
Keywords:
Attention,
P3
Conference:
XI International Conference on Cognitive Neuroscience (ICON XI), Palma, Mallorca, Spain, 25 Sep - 29 Sep, 2011.
Presentation Type:
Symposium: Oral Presentation
Topic:
Symposium 23: Regulating access to consciousness: Cortical mechanisms of attention
Citation:
Notebaert
W
(2011). Orienting towards unexpected action outcomes.
Conference Abstract:
XI International Conference on Cognitive Neuroscience (ICON XI).
doi: 10.3389/conf.fnhum.2011.207.00602
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Received:
14 Nov 2011;
Published Online:
28 Nov 2011.
*
Correspondence:
Prof. Wim Notebaert, Experimental Psychology, Ghent University, Ghent, Belgium, wim.notebaert@ugent.be