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Hemispheric differences for the integration of stimulus levels and their contents : evidence from bilateral presentations

Hemispheric differences for the integration of stimulus levels and their contents : evidence from bilateral presentations

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VOLBERG, Gregor, Ronald HÜBNER, 2006. Hemispheric differences for the integration of stimulus levels and their contents : evidence from bilateral presentations. In: Perception & Psychophysics. 68(8), pp. 1274-1285

@article{Volberg2006Hemis-10693, title={Hemispheric differences for the integration of stimulus levels and their contents : evidence from bilateral presentations}, year={2006}, doi={10.3758/BF03193727}, number={8}, volume={68}, journal={Perception & Psychophysics}, pages={1274--1285}, author={Volberg, Gregor and Hübner, Ronald} }

2011-03-25T09:21:04Z deposit-license Hemispheric differences for the integration of stimulus levels and their contents : evidence from bilateral presentations eng Hübner, Ronald Hübner, Ronald Several studies have demonstrated that hemispheric differences for the processing of hierarchical letter stimuli are more likely to occur when the letters at the levels are associated with conflicting responses. Typically, a single stimulus is presented, so that the conflict occurs between the global and the local levels of the same stimulus. Our hypothesis is that in this situation, conflict resolution requires integration of the letters and their respective levels and that the hemispheres differ in this integration process. According to this integration theory, the favorable effect of response conflict on hemispheric differences should vanish if other features, such as location, can also serve for conflict resolution. This prediction was tested in the present study by simultaneously presenting an individual hierarchical stimulus to each visual field. Conflicting letters either were arranged within one stimulus or were placed in different stimuli. In the latter case, a response conflict could also be resolved by integrating letters and locations. As was expected, there were no visual field effects in these conditions. On the other hand, visual field effects showed up when the conflicting letters were located within the same stimulus. These results support the idea that the hemispheres differ in their capacity for integrating level and form. Volberg, Gregor 2006 First publ. in: Perception & Psychophysics 68 (2006), 8, pp. 1274 1285 Volberg, Gregor 2011-03-25T09:21:04Z application/pdf

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