ArticleScientific reports2026
Happy and angry human pictures differentially affect dogs' postural stability.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- Axis-dependent relationships and agreement between whole-body and limb-specific center of pressure measurements in dogs.Frontiers in veterinary science · 2026Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
In humans, visual stimuli are known to elicit biomechanical balance responses, thereby influencing postural stability. These responses offer valuable insights into the relationship between visual perception and physical balance. This is the first study to examine the effect of human pictures on postural stability in dogs. Seventeen healthy pet dogs were evaluated standing on a pressure plate under three conditions: viewing happy human pictures, angry human pictures, and no-picture. Five conventional Center of Pressure (COP) parameters were analyzed; mediolateral displacement, craniocaudal displacement, support surface, average speed (AS) and statokinesiogram length. Although no significant differences in balance were found across the three conditions overall, a cluster analysis of relative COP changes (ΔCOP_%, increase/decrease relative to the no-picture condition) revealed two distinct reaction patterns within both picture conditions. For happy pictures, 35% of dogs exhibited increases across all ΔCOP_% parameters (cluster H2), while 65% showed decreases (cluster H1). Angry pictures led to increases across all ΔCOP_% parameters in 47% of dogs (cluster A2), while 53% showed decreases (cluster A1). Comparisons within clusters H1/H2 and A1/A2 revealed significant differences in ΔCOP_% parameters (ANOVA, all ΔCOP_% parameters, p < 0.05, except AS within happy condition). No significant differences in ΔCOP_% parameters were found between clusters H1/A1 (decrease in all ΔCOP values) and between clusters H2/A2 (increase in all ΔCOP values). This exploratory study is the first to suggest that emotional human pictures evoke varied postural responses in dogs, influenced by the type of stimulus (happy or angry) and individual differences in emotional reactivity and sensory processing. Both emotions (happy, angry) resulted in increases in all ΔCOP_% parameters, interpreted as a destabilizing effect on balance, and decreases in ΔCOP_% parameters, interpreted as stabilizing effect on balance.
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