ArticlePsychological research2025
Effects of local information and egocentric reference frames on estimation of biological motion direction.
Article in Psychological research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Integration of global configuration and local motion in point-light walker direction estimation.Psychological research · 2026Article
- A multivariate differential-phase model based on bio-kinematic asymmetry accounts for estimation biases in point-light walker directions.Behavior research methods · 2026Article
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Authors and funding
4 authors.
Funding
Abstract
Previous studies have established that coarse discrimination (e.g., left/right, forward/backward) of point-light walker (PLW) direction is modulated by multiple factors including global/local motion information, biological/social factors, and egocentric reference frames. However, the specific contributions of local motion information and egocentric referencing to fine-grained PLW direction estimation remain unclear. Drawing upon principles of biomechanical asymmetry and right-lateralized motor dominance, we hypothesized a systematic overall rightward bias in PLW direction estimation. Through three carefully controlled experiments, we demonstrated that: (1) right-handed participants showed consistently overall rightward estimation bias; (2) this bias was selectively enhanced by right-sided body stimuli while remaining unaffected by left-sided stimuli; and (3) spatial decoupling of stimulus center from egocentric coordinates revealed persistent egocentric coding in the direction estimation. Moreover, prolonged stimulus exposure led to expanded gaze distribution alongside heightened local information processing, underscoring the pivotal role of local information. These findings suggest that biomechanical asymmetries may shape PLW direction perception and reveal the interplay between local information analysis and egocentric referencing in fine-grained biological motion estimation.
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Registered trials
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