Hills, P.J, Thompson, C, Jones, S.P, Piech, R.M, Painter, L and Pake, M (2016) 'Attentional modulation of the carry over of eye-movements between tasks.' Acta Psychologica, 167. pp. 1-15. ISSN 0001-6918
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Abstract
Task demands that influence scanning behaviour in one task can cause that behaviour to persist to a second unrelated task (carry over). This can also affect performance on a second task (e.g., hazard perception ratings), and has been attributed to a process of attentional bias that is modulated by top-down influences (Thompson & Crundall, 2011). In a series of experiments we explored how these top-down influences impact upon carry over. In all experiments, participants searched letters that were presented horizontally, vertically, or in a random array. They were then presented with a driving scene and rated the hazardousness of the scene. Carry over of eye-movements from the letter search to the scene was observed in all experiments. Furthermore, it was demonstrated that this carry over effect influenced hazard perception accuracy. The magnitude of carry over was correlated with task switching abilities, attentional conflicting, and attentional orienting (Experiment 1), and was affected by predictability of the primary task (Experiment 2). Furthermore, direct current stimulation of the left dorsolateral prefrontal cortex and parietal areas affected the magnitude of the effect (Experiment 3). These results indicate that carry over is modulated by the specific ability to orient attention and disengage from this orientation. Over orienting leads to increased carry over and insufficient task switching is detrimental to task performance. As a result the current experiments provide evidence that the carry over effect is strongly influenced by attentional processes, namely orienting, inhibition, and task switching.
| Item Type: | Article |
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| Keywords: | visual search; attention; eye movements; carry over; inter-trial effects; tDCS; inhibition |
| Subjects: | B Philosophy. Psychology. Religion > BF Psychology Q Science > Q Science (General) Q Science > QP Physiology R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry |
| Divisions: | School of Sciences |
| Identification Number: | https://doi.org/10.1016/j.actpsy.2016.03.012 |
| Date Deposited: | 03 Oct 2016 15:10 |
| Last Modified: | 15 Aug 2021 09:43 |
| URI / Page ID: | https://researchspace.bathspa.ac.uk/id/eprint/8279 |
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