Perception of induced visual motion: Effects of relative position, shape, and size of the surround.

Michael, Stephanie J.; Sherrick, Michael F.

doi:10.1037/h0080088

Cited by 10 publications

(2 citation statements)

References 34 publications

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“…Further extensions of the classic IRM research include experiments assessing the effects of various variables on the strength of the illusion. For example, research has shown that the IRM effect is stronger with larger rather than smaller frames (Brooks & Sherrick, 1994)) with rectangular rather than circular frames (Michael & Sherrick, 1986), and with slower rather than faster frame motion (Rock, Auster, Schiffman, & Wheeler, 1980;Wallach & Becklin, 1983;Becklin & Wallach, 1985). Additionally, the effects of the distance between the target and inducing object have also been investigated.…”

Section: Induced or Relative Motion Illusionsmentioning

confidence: 99%

Motion by Nearby Players Biases Perception but Not Action in Judgments of Baseball Destination

Oberle¹,

Hollums²,

McBeath

et al. 2006

Percept Mot Skills

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In this research, the influence of irrelevant reference frames on estimates of ball destination was examined. In 3 experiments, confederate base runners and fielders served as distractor stimuli while balls were rolled from home plate to random locations along a barrier hidden under an elevated tarp between first and second base. Stationary participants estimated the position that the ball would exit from under the tarp if there were no barrier, whereas running participants ran along the back edge of the barrier and touched the top of the tarp above where they believed the ball would exit. Estimates of ball destination were significantly biased in the direction opposite to the confederates' motion for stationary participants, but were accurate for running participants. These findings are consistent with other perception-action dissociations, and show that relative motion effects can occur in a naturalistic setting.

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Section: Induced or Relative Motion Illusionsmentioning

confidence: 99%

Motion by Nearby Players Biases Perception but Not Action in Judgments of Baseball Destination

Oberle¹,

Hollums²,

McBeath

et al. 2006

Percept Mot Skills

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“…In order to account for this apparent displacement of the light with respect to the straight-ahead, the visual system perceives the light as moving to the left. (See Brosgole, 1968, andMichael &Sherrick, 1986, for more complete discussions of the shifting straight-ahead theory. )…”

Section: Shifting Straight-ahead Theorymentioning

confidence: 99%

Motion perception and spatial orientation.

Sherrick¹

1998

Viewing Psychology as a Whole: the Integrative Science of William N. Dember.

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Traditionally, visually perceived motion is attributed to three cues, acting singly or in combination. (See Goldstein, 1996, chap. 7, for a good review of traditional motion perception theory and research.) First, the visual system monitors the positional changes of a moving image across a stationary retina and attributes this systematic displacement to movement of the stimulus. Second, pursuit eye movements, and in particular the command to move the eyes, provide a cue for perceived motion. Thus, a bird in flight that is fixated by the observer will appear to move because the brain monitors the command to move the eyes.Retinal displacement and pursuit eye movement cues are usually considered together. The basic idea is that the brain interprets retinal displacement cues differently depending on whether or not the eyes have been directly commanded to move. Thus, the bird in flight described previously, which is relatively stationary on the observer's retina, is nevertheless seen to move because the image's stability on the retina is attributed to tracking eye movements. Conversely, the truly stationary environment does not seem to move when we move our eyes because the brain attributes the displacement of the environment across the retina to the eye movements.Third, another cue for motion perception involves not the observer, as do the first two cues, but rather the stimulus array. In particular, the dynamic stimulus relationship cue accounts for motion perception in terms of the changing spatial relationships among stimuli. A stationary observer with stationary eyes sees a running dog as moving, for example, because the dog changes its relationship systematically with respect to other stimuli in the field of view. The importance of the dynamic stimulus relationship cue for motion perception is well established and indeed some (Gibson and other ecological psychologists; see Blake, 1994) argue that it is the primary cue.Many phenomena of motion perception can be explained in terms of these three cues. Space limitations permit only a few examples. (a) As would be expected, thresholds for perceiving motion are lower when all 46

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The Representation of Nonuniform Motion: Induced Movement

Wade

Swanston

1987

Perception

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Induced motion occurs when there is a misallocation of nonuniform motion. Theories of induced motion are reviewed with respect to the model for uniform motion recently proposed by Swanston, Wade, and Day. Theories based on single processes operating at one of the retinocentric, orbitocentric, egocentric, or geocentric levels are not able to account for all aspects of the phenomenon. It is therefore suggested that induced motion is a consequence of combining two different types of motion signals: one provides information by registering the motion with respect to the retina, orbit, and egocentre; the other provides information only on the relational motions between the pattern elements. Simple rules are given for defining a frame of reference for the relational motion process, which can result in a reallocation of the motion signals. It is proposed that the two signals in combination are weighted differentially, with the greater influence coming from the relational signals. Procedures for determining the weighting factors are described, and predictions from the model are examined.

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Perception of induced visual motion: Effects of relative position, shape, and size of the surround.

Cited by 10 publications

References 34 publications

Motion by Nearby Players Biases Perception but Not Action in Judgments of Baseball Destination

Motion by Nearby Players Biases Perception but Not Action in Judgments of Baseball Destination

Motion perception and spatial orientation.

The Representation of Nonuniform Motion: Induced Movement

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