In a motion quartet (MQ), two disks that fall at the endpoints of a diameter of an invisible circle are briefly presented and then replaced by two disks that fall on a second diameter. With proper choice of timing, the observer sees apparent rotation of the first pair into the second. When the angle between the diameters is about 90 deg, the direction of perceived rotation is ambiguous, half the time clockwise (C) and half counterclockwise
The effect of past trials on perceived direction of motion in ambiguous motion quartets: temporal pattern detection, not priming
DAL MARTELLO, MARIA;
2004
Abstract
In a motion quartet (MQ), two disks that fall at the endpoints of a diameter of an invisible circle are briefly presented and then replaced by two disks that fall on a second diameter. With proper choice of timing, the observer sees apparent rotation of the first pair into the second. When the angle between the diameters is about 90 deg, the direction of perceived rotation is ambiguous, half the time clockwise (C) and half counterclockwiseFile in questo prodotto:
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