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The timing of feedback to early visual cortex in the perception of long-range apparent motion
- When 2 visual stimuli are presented one after another in different locations, they are often perceived as one, but moving object. Feedback from area human motion complex hMT/V5+ to V1 has been hypothesized to play an important role in this illusory perception of motion. We measured event-related responses to illusory motion stimuli of varying apparent motion (AM) content and retinal location using Electroencephalography. Detectable cortical stimulus processing started around 60-ms poststimulus in area V1. This component was insensitive to AM content and sequential stimulus presentation. Sensitivity to AM content was observed starting around 90 ms post the second stimulus of a sequence and most likely originated in area hMT/V5+. This AM sensitive response was insensitive to retinal stimulus position. The stimulus sequence related response started to be sensitive to retinal stimulus position at a longer latency of 110 ms. We interpret our findings as evidence for feedback from area hMT/V5+ or a related motion processing area to early visual cortices (V1, V2, V3).
Verfasserangaben: | Michael WibralORCiDGND, Christoph BledowskiORCiDGND, Axel Kohler, Wolf SingerORCiDGND, Lars MuckliORCiDGND |
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URN: | urn:nbn:de:hebis:30-60548 |
DOI: | https://doi.org/10.1093/cercor/bhn192 |
ISSN: | 1460-2199 |
ISSN: | 1047-3211 |
Pubmed-Id: | https://pubmed.ncbi.nlm.nih.gov/19008460 |
Titel des übergeordneten Werkes (Englisch): | Cerebral cortex |
Verlag: | Oxford Univ. Press |
Verlagsort: | Oxford |
Dokumentart: | Wissenschaftlicher Artikel |
Sprache: | Englisch |
Datum der Veröffentlichung (online): | 25.11.2008 |
Datum der Erstveröffentlichung: | 13.11.2008 |
Veröffentlichende Institution: | Universitätsbibliothek Johann Christian Senckenberg |
Datum der Freischaltung: | 25.11.2008 |
Freies Schlagwort / Tag: | apparent motion; electroencephalography; event-related potential; feedback; visual illusion |
Jahrgang: | 19 |
Ausgabe / Heft: | 7 |
Seitenzahl: | 16 |
Erste Seite: | 1567 |
Letzte Seite: | 1582 |
Bemerkung: | © 2008 The Authors ; This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/2.0/uk/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. |
HeBIS-PPN: | 209219068 |
Institute: | Medizin / Medizin |
Wissenschaftliche Zentren und koordinierte Programme / Frankfurt Institute for Advanced Studies (FIAS) | |
DDC-Klassifikation: | 6 Technik, Medizin, angewandte Wissenschaften / 61 Medizin und Gesundheit / 610 Medizin und Gesundheit |
Lizenz (Deutsch): | Creative Commons - Namensnennung-Nicht kommerziell 2.0 |