Saccades to remembered targets: The effects of saccades and illusory stimulus motion
In 10 human subjects, we measured the accuracy of saccades to remembered locations of targets that were flashed on a 20 × 30 deg random dot display, while they tracked a spot of light that stepped between three vertical locations. The background was either stationary or stepping horizontally in sync...
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| Veröffentlicht in: | Vision research (Oxford) 1998-05, Vol.38 (9), p.1287-1294 |
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| container_title | Vision research (Oxford) |
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| creator | Zivotofsky, Ari Z White, Owen B Das, Vallabh E Leigh, R.John |
| description | In 10 human subjects, we measured the accuracy of saccades to remembered locations of targets that were flashed on a 20 × 30 deg random dot display, while they tracked a spot of light that stepped between three vertical locations. The background was either stationary or stepping horizontally in synchrony with vertical motion of the spot of light, a condition that induced a strong illusion of diagonal target motion. Memory-guided saccades were less accurate horizontally, but not vertically, when the background moved compared with when it was stationary. The horizontal component of memory-guided saccades correlated better with the position of the background when the target was flashed than with the position of the background at the end of the memory period. We conclude that the visual illusion corrupted the working memory of target location, but had a lesser effect on the estimate of gaze at the end of the memory period, which seemed to depend more on extraretinal signals. |
| doi_str_mv | 10.1016/S0042-6989(97)00288-5 |
| format | Article |
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| fulltext | fulltext |
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| ispartof | Vision research (Oxford), 1998-05, Vol.38 (9), p.1287-1294 |
| issn | 0042-6989 1878-5646 |
| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier); EZB-FREE-00999 freely available EZB journals |
| subjects | Adult Anatomical correlates of behavior Behavioral psychophysiology Biological and medical sciences Female Fundamental and applied biological sciences. Psychology Humans Male Memory Middle Aged Models, Neurological Motion Perception - physiology Oculomotor Optical Illusions - physiology Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Saccade Saccades - physiology Space life sciences Time Factors Visual illusion |
| title | Saccades to remembered targets: The effects of saccades and illusory stimulus motion |
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