Retinotopic sensitisation to spatial scale: Evidence for flexible spatial frequency processing in scene perception
| Autor: | Helen E. Payne, Emre Özgen, Philippe G. Schyns, Paul T. Sowden |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2006 |
| Předmět: |
Adult
genetic structures media_common.quotation_subject Visual Physiology Spatial frequency channels Retina Perception Attentional modulation Psychophysics Retinotopic Specificity Humans Attention Retinotopic specificity media_common Communication business.industry Spatial Frequency Channel Sensory Systems Hybrid Ophthalmology Pattern Recognition Visual Scene Perception Space Perception Pattern recognition (psychology) Attentional Modulation Spatial ecology Spatial frequency Visual Fields business Psychology Scene perception Photic Stimulation Cognitive psychology |
| Zdroj: | Vision Research |
| Popis: | Cataloged from PDF version of article. Observers can use spatial scale information flexibly depending on categorisation task and on their prior sensitisation. Here, we explore whether attentional modulation of spatial frequency processing at early stages of visual analysis may be responsible. In three experiments, we find that observers' perception of spatial frequency (SF) band-limited scene stimuli is determined by the SF content of images previously experienced at that location during a sensitisation phase. We conclude that these findings are consistent with the involvement of relatively early, retinotopically mapped, stages of visual analysis, supporting the attentional modulation of spatial frequency channels account of sensitisation effects. © 2005 Elsevier Ltd. All rights reserved. |
| Databáze: | OpenAIRE |
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