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Findlay J M, Zanuttini L, 1983, "Is target movement as well as target displacement a stimulus for saccadic eye movements?" Perception 12(1) 35 – 41
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Is target movement as well as target displacement a stimulus for saccadic eye movements?

John M Findlay, Lucia Zanuttini

Received 1 July 1981, in revised form 28 January 1982

Abstract. The effects of visual movement on saccadic eye movement have been examined. In a classic apparent-movement demonstration with two successively exposed line-segment targets the quality of the movement is dependent on the relative orientation of the line segments. If saccadic eye movements are elicited between the targets in this situation, the configuration leading to optimal apparent movement also leads to the shortest-latency saccades. When a single line segment is succeeded by two line segments flanking it on opposite sides, and if one of these has the same orientation as the initial one and the other a different orientation, then apparent motion is seen between the two lines with the same orientation. However, the direction of saccades elicited in this configuration is not influenced by the relative orientations of the line segments. The two results together suggest that the effect of visual movement on saccadic eye movement is nonspecific.

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