An information-based approach to action understanding

Ramenzoni, Verónica C.; Riley, Michael A.; Shockley, Kevin; Davis, Tehran J.

doi:10.1016/j.cognition.2007.04.008

Cited by 39 publications

(60 citation statements)

References 22 publications

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“…By Trial 10, those estimates were modestly correlated with the actor's actual maximum jumping-reach height, but the hierarchical regression results suggest that this may have been carried by the correlation of actor height and jumping-reach height. Although the self-estimates and actor estimates were initially similar, the difference in how they varied over time suggests some degree of independence of the ability to perceive affordances for another person from the ability to perceive affordances for the self, a result broadly consistent with other studies (Fischer, 2003(Fischer, , 2005Ramenzoni et al, 2008b). A similar pattern of change in self-estimates and actor estimates over trials would have suggested a strong dependence of actor affordance estimates on the perceivers' own (actual or perceived) action capabilities.…”

Section: Methodssupporting

confidence: 76%

“…Although motivated by different theoretical assumptions, these two perspectives are not exclusive, and they may reflect complementary aspects of social perception-action (Knoblich & Sebanz, 2008). As was noted by Ramenzoni et al (2008b), simulations cannot be absolutely indeterminate or agent neutral (Pacherie & Dokic, 2006;cf. Gallese, 2005) or observers would usually fare rather poorly at predicting or understanding actions that require a tight metrical fit between another agent and the environment.…”

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confidence: 99%

“…A second perspective emphasizes the ability to perceive affordances (opportunities for action; J. J. Gibson, 1979) for other actors (Ramenzoni, Riley, Shockley, & Davis, 2008b; see also Fischer, 2003;Lamm, Fischer, & Decety, 2007). Although motivated by different theoretical assumptions, these two perspectives are not exclusive, and they may reflect complementary aspects of social perception-action (Knoblich & Sebanz, 2008).…”

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confidence: 99%

“…It has been shown that in some cases, perceivers can prospectively estimate what is afforded an agent with a high degree of accuracy (Mark, 2007;Ramenzo ni, Riley, Davis, Shockley, & Armstrong, 2008;Ramenzoni, Riley, Davis, & Snyder, 2005;Ramenzoni, Riley, Shockley, & Davis, 2008a, 2008bStoffregen, Gorday, Sheng, & Flynn, 1999;Weast, 2009). Perceivers are sensitive to both body-scaled affordances, defined by the geometric fit between the actor and the environment, and action-scaled affordances, defined by dynamic properties 2005a, 2005c).…”

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confidence: 99%

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Perceiving action boundaries: Learning effects in perceiving maximum jumping-reach affordances

Ramenzoni

Davis

Riley

et al. 2010

Attention, Perception, & Psychophysics

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Coordinating with another person requires that one can perceive what the other is capable of doing. This ability often benefits from opportunities to practice and learn. Two experiments were conducted in which we investigated perceptual learning in the context of perceiving the maximum height to which an actor could jump to reach an object. Those estimates were compared with estimates that perceivers made for themselves. In Experiment 1, participants initially underestimated the maximum jumping-reach height both for themselves and for the actor. Over time, without explicit feedback, the participants were able to improve estimates of their own maximum jumping-reach height, but estimates for the actor did not improve. In Experiment 2, participants observed the actor perform either an action related but nonidentical to jumping (lifting a weight by squatting) or a nonrelated activity (rotating the torso). The participants who observed the actor perform the related action were able to improve the accuracy of their perceptual reports for the actor's maximum jumping-reach height, but the participants who watched the actor perform the nonrelated task were unable to do so. The results indicate some degree of independence between perceived affordances for the self and others, suggesting that affordance judgments are not entirely dependent on or determined by characteristics of the perceiver.

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confidence: 76%

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confidence: 99%

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confidence: 99%

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confidence: 99%

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Perceiving action boundaries: Learning effects in perceiving maximum jumping-reach affordances

Ramenzoni

Davis

Riley

et al. 2010

Attention, Perception, & Psychophysics

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“…to joint action at shorter plank lengths than long-arm-span individuals, and people have been shown to be sensitive to others' action capabilities (Ramenzoni, Riley, Shockley, & Davis, 2008;Stoffregen, Gorday, Sheng, & Flynn, 1999). The average arm span of each pair, in contrast, should not impose a defining limit, because it is a statistical construct, rather than a functional constraint.…”

mentioning

confidence: 99%

Affording cooperation: Embodied constraints, dynamics, and action-scaled invariance in joint lifting

Isenhower

Richardson

Carello

et al. 2010

Psychonomic Bulletin & Review

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A Perceptual–Motor Deficit Predicts Social and Communicative Impairments in Individuals With Autism Spectrum Disorders

et al. 2012

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Individuals with autism spectrum disorders (ASDs) have known impairments in social and motor skills. Identifying putative underlying mechanisms of these impairments could lead to improved understanding of the etiology of core social/communicative deficits in ASDs, and identification of novel intervention targets. The ability to perceptually integrate one's physical capacities with one's environment (affordance perception) may be such a mechanism. This ability has been theorized to be impaired in ASDs, but this question has never been directly tested. Crucially, affordance perception has shown to be amenable to learning; thus, if it is implicated in deficits in ASDs, it may be a valuable unexplored intervention target. The present study compared affordance perception in adolescents and adults with ASDs to typically developing (TD) controls. Two groups of individuals (adolescents and adults) with ASDs and age‐matched TD controls completed well‐established action capability estimation tasks (reachability, graspability, and aperture passability). Their caregivers completed a measure of their lifetime social/communicative deficits. Compared with controls, individuals with ASDs showed unprecedented gross impairments in relating information about their bodies' action capabilities to visual information specifying the environment. The magnitude of these deficits strongly predicted the magnitude of social/communicative impairments in individuals with ASDs. Thus, social/communicative impairments in ASDs may derive, at least in part, from deficits in basic perceptual–motor processes (e.g. action capability estimation). Such deficits may impair the ability to maintain and calibrate the relationship between oneself and one's social and physical environments, and present fruitful, novel, and unexplored target for intervention. Autism Res 2012,5:352–362. © 2012 International Society for Autism Research, Wiley Periodicals, Inc.

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An information-based approach to action understanding

Cited by 39 publications

References 22 publications

Perceiving action boundaries: Learning effects in perceiving maximum jumping-reach affordances

Perceiving action boundaries: Learning effects in perceiving maximum jumping-reach affordances

Affording cooperation: Embodied constraints, dynamics, and action-scaled invariance in joint lifting

A Perceptual–Motor Deficit Predicts Social and Communicative Impairments in Individuals With Autism Spectrum Disorders

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