Darkness beyond the light: attentional inhibition surrounding the classic spotlight
The aim of the present investigation was to determine the nature and spatial distribution of selective visual attention. Using cortical source localization of ERP data corresponding to 60 task-irrelevant stimuli across the visual field, we assessed attention effects on visual processing. Consistent...
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| Veröffentlicht in: | Neuroreport 2002-05, Vol.13 (6), p.773-778 |
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| container_title | Neuroreport |
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| creator | Slotnick, Scott D Hopfinger, Joseph B Klein, Stanley A Sutter, Erich E |
| description | The aim of the present investigation was to determine the nature and spatial distribution of selective visual attention. Using cortical source localization of ERP data corresponding to 60 task-irrelevant stimuli across the visual field, we assessed attention effects on visual processing. Consistent with previous findings, visual processing was enhanced at the attended spatial location. In addition, this facilitation of processing extended from the attended location to the point of fixation resulting in a region of facilitation. Furthermore, a large region of inhibition was found surrounding this region of facilitation. The latter result is inconsistent with a simple facilitative spotlight model of attention and indicates that attention effects can be both facilitatory and inhibitory. |
| doi_str_mv | 10.1097/00001756-200205070-00008 |
| format | Article |
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| ispartof | Neuroreport, 2002-05, Vol.13 (6), p.773-778 |
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| source | MEDLINE; Journals@Ovid Complete |
| subjects | Adult Attention - physiology Biological and medical sciences Evoked Potentials, Visual - physiology Eye and associated structures. Visual pathways and centers. Vision Eye Movements - physiology Female Fixation, Ocular - physiology Fundamental and applied biological sciences. Psychology Humans Models, Neurological Neural Inhibition - physiology Neurons - physiology Photic Stimulation Psychomotor Performance - physiology Space Perception - physiology Vertebrates: nervous system and sense organs Visual Cortex - physiology Visual Fields - physiology |
| title | Darkness beyond the light: attentional inhibition surrounding the classic spotlight |
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