Auteurs
Martin Szinte, Donatas Jonikaitis, Martin Rolfs, Patrick Cavanagh, Heiner Deubel
Date de publication
2016/7/6
Revue
Journal of Neurophysiology
Numéro
116
Pages
1592–1602
Éditeur
The American Physiological Society
Description
Object tracking across eye movements is thought to rely on presaccadic updating of attention between the object's current and its “remapped” location (i.e., the postsaccadic retinotopic location). We report evidence for a bifocal, presaccadic sampling between these two positions. While preparing a saccade, participants viewed four spatially separated random dot kinematograms, one of which was cued by a colored flash. They reported the direction of a coherent motion signal at the cued location while a second signal occurred simultaneously either at the cue's remapped location or at one of several control locations. Motion integration between the signals occurred only when the two motion signals were congruent and were shown at the cue and at its remapped location. This shows that the visual system integrates features between both the current and the future retinotopic locations of an attended object and that …
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