Eccentricity Dependence of the Curveball Illusion.
When the Gaussian envelope of a Gabor patch moves straight down while its sine wave component drifts to the left, the Gabor is seen to move down to the left when viewed with peripheral vision (exhibiting the so-called curveball illusion) but straight down when viewed foveally. We used a nulling proc...
| Publicado en: | Canadian Journal of Experimental Psychology / Revue Canadienne de Psychologie Expérimentale Vol. 66; no. 2; pp. 144 - 153 |
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| Autores principales: | , |
| Formato: | Artículo |
| Publicado: |
Canadian Psychological Association
Jun2012
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ssf&AN=76405820&site=ehost-live header: @attributes: shortDbName: ssf uiTerm: 76405820 longDbName: Social Sciences Full Text (H.W. Wilson) uiTag: AN controlInfo: bkinfo: jinfo: jid: 11961961 CJX jtl: Canadian Journal of Experimental Psychology / Revue Canadienne de Psychologie Expérimentale issn: 11961961 maglogo: N pubinfo: dt: Jun2012 vid: 66 iid: 2 pid: 98 pub: Canadian Psychological Association artinfo: ui: 76405820 10.1037/a0026989 ppf: 144 ppct: 9 formats: fmt: @attributes: type: P size: 690KB tig: atl: Eccentricity Dependence of the Curveball Illusion. aug: au: Gurnsey, Rick Biard, Mathieu affil: Concordia University su: Illusion (Philosophy) Research funding Statistical models Descriptive statistics sug: subj: Illusion (Philosophy) Research funding Statistical models Descriptive statistics keyword: Cortical magnification Motion illusions peripheral vision size scaling gradation de taille illusions de mouvement magnification corticale vision périphérique Cortical magnification Motion illusions peripheral vision size scaling gradation de taille illusions de mouvement magnification corticale vision périphérique ab: When the Gaussian envelope of a Gabor patch moves straight down while its sine wave component drifts to the left, the Gabor is seen to move down to the left when viewed with peripheral vision (exhibiting the so-called curveball illusion) but straight down when viewed foveally. We used a nulling procedure to quantify the strength of the curveball illusion at a range of stimulus sizes and eccentricities to determine if the illusion is size dependent and whether size scaling can equate the strength of the illusion across the visual field. We find that the illusion is size dependent (illusion strength decreases with increasing stimulus size) but that size scaling is not sufficient to elicit an illusion at fixation that matches the strength of the illusion at 10°. These results suggest that certain changes in motion processing across the visual field differ in more than just the local scale of the mechanisms involved. pubtype: Academic Journal doctype: Article src: R language: English refInfo: copyright: @attributes: flag: N holdings: @attributes: islocal: N |
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