Cast shadow can modulate the judged final position of a moving target

Taya, Shuichiro; Miura, Katsuyuki

doi:10.3758/app.72.7.1930

Cited by 7 publications

(3 citation statements)

References 36 publications

(48 reference statements)

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“…(For further discussion of momentum effects, see Hubbard, 2014a.) Nagai and Saiki (2005) report that representational momentum is influenced by illusory motion, or at least, the observer's anticipation of motion direction (Hubbard, Ruppel, & Courtney, 2005;Taya & Miura, 2010;Verfaillie & d'Ydewalle, 1991). This is also consistent with our results, which clearly show that an implied action alone leads to an illusory motion percept.…”

Section: Discussionsupporting

confidence: 89%

The Vanishing Ball Illusion: A new perspective on the perception of dynamic events

Kuhn

Rensink

2016

Cognition

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Section: Discussionsupporting

confidence: 89%

The Vanishing Ball Illusion: A new perspective on the perception of dynamic events

Kuhn

Rensink

2016

Cognition

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“…The physical-momentum hypothesis states that a moving object cannot halt immediately, and therefore the representation of perceived motion is briefly sustained following motion offset. More recent studies have discussed the observed forward displacement in terms of the concept of mental extrapolation of the trajectory at higher cognitive levels (Hubbard, 2005;Hubbard & Bharucha, 1988;Taya & Miura, 2010). That is, when a moving object vanishes abruptly, the predicted course of target motion is beyond the actual position of the trajectory's termination point, resulting in mislocalization farther in the direction of motion.…”

mentioning

confidence: 99%

A comparison of visual and auditory representational momentum in spatial tasks

Schmiedchen

Freigang

Rübsamen

et al. 2013

Atten Percept Psychophys

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Similarities have been observed in the localization of the final position of moving visual and moving auditory stimuli: Perceived endpoints that are judged to be farther in the direction of motion in both modalities likely reflect extrapolation of the trajectory, mediated by predictive mechanisms at higher cognitive levels. However, actual comparisons of the magnitudes of displacement between visual tasks and auditory tasks using the same experimental setup are rare. As such, the purpose of the present free-field study was to investigate the influences of the spatial location of motion offset, stimulus velocity, and motion direction on the localization of the final positions of moving auditory stimuli (Experiment 1 and 2) and moving visual stimuli (Experiment 3). To assess whether auditory performance is affected by dynamically changing binaural cues that are used for the localization of moving auditory stimuli (interaural time differences for low-frequency sounds and interaural intensity differences for high-frequency sounds), two distinct noise bands were employed in Experiments 1 and 2. In all three experiments, less precise encoding of spatial coordinates in paralateral space resulted in larger forward displacements, but this effect was drowned out by the underestimation of target eccentricity in the extreme periphery. Furthermore, our results revealed clear differences between visual and auditory tasks. Displacements in the visual task were dependent on velocity and the spatial location of the final position, but an additional influence of motion direction was observed in the auditory tasks. Together, these findings indicate that the modalityspecific processing of motion parameters affects the extrapolation of the trajectory.

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“…The perceptual use of shadows Because of their role in providing depth information, shadows can be useful for diverse tasks such as deciding whether two surfaces are touching (Thompson et al, 1998), estimating the future trajectory of a flying object (Taya & Miura, 2010), determining the structural form of patterns (Khuu et al, 2012), deciding whether one surface occludes another (Tomonaga & Imura, 2010), and detecting differences in shape (Rensink & Cavanagh, 2004). Infants as young as 5-7 months use cast shadows for depth (Yonas & Granrud, 2006;Imura et al, 2006).…”

Section: Shadows: Use Them or Lose Them?mentioning

confidence: 99%

Cast Shadow Illusions

Kersten¹,

Mamassian²

2017

The Oxford Compendium of Visual Illusions

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Cast shadows are present in almost every scene we view, yet very little is known about how the brain processes them. On the one hand, shadows can interfere with the visual ability to recognize objects, while on the other hand, they provide critical information for where objects are in a scene. Because shadows can provide compelling cues for location in depth, these cues can overcome other competing sources of information, resulting in illusions. By studying shadow illusions, one can gain insight into the built-in assumptions the brain has about the nature of illumination and its interaction with the surfaces we view each day.

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Cast shadow can modulate the judged final position of a moving target

Cited by 7 publications

References 36 publications

The Vanishing Ball Illusion: A new perspective on the perception of dynamic events

The Vanishing Ball Illusion: A new perspective on the perception of dynamic events

A comparison of visual and auditory representational momentum in spatial tasks

Cast Shadow Illusions

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