Emotional contagion in human–horse interactions: A pilot study investigating the role of stress and body language in emotional transfer
Authors: Dan Manolăchescu, M. Tripon, C. Crecan, M. Tataru, I. Papuc
Journal: Open Veterinary Journal
Summary
# Editorial Summary: Emotional Contagion in Human–Horse Interactions Handler anxiety does transmit to horses, but not through some mysterious sixth sense—rather through observable body language cues that horses readily pick up during unrestricted movement and expression. Manolăchescu and colleagues used a within-subjects design comparing high-anxiety (>40 on State Anxiety Scale plus elevated heart rate) and low-anxiety handlers interacting with horses under two conditions: free-style interactions where handlers moved naturally, and constrained-style where movement and facial expressions were deliberately restricted. Horses showed significantly elevated heart rate variability and behavioural stress scores during high-anxiety free-style interactions compared to high-anxiety constrained-style (p < 0.05), yet crucially, when handlers were constrained, horses displayed no significant physiological or behavioural differences between anxious and calm handlers. The practical implication is substantial: structured handling techniques with controlled, neutral body language can effectively interrupt emotional contagion, offering farriers, vets, physiotherapists and coaches a tangible tool to reduce unnecessary stress transfer during handling and treatment. Rather than requiring handlers to feel perpetually calm—an unrealistic standard—adopting deliberate postural control and restricted movement provides a buffer that prioritises horse welfare and optimises outcomes in both clinical and training settings.
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Practical Takeaways
- •Adopt controlled, deliberate body language and movement when handling horses—restricting anxious gestures prevents stress transfer regardless of your internal anxiety state
- •Train handlers in neutral posture and constrained body language techniques as practical tools to create calmer interactions and improve horse welfare
- •Recognize that horses respond to what they see (your body language), not your emotional state itself—this means even anxious handlers can work effectively with proper technique
Key Findings
- •Horses showed significantly higher heart rate variability and behavioral responses during high-anxiety free-style interactions compared to high-anxiety constrained-style interactions (p < 0.05)
- •Constrained body language (restricted movement and expression) eliminated significant differences in horse physiological and behavioral responses between high-anxiety and low-anxiety handlers
- •Horses respond to handler body language cues rather than inherently detecting human stress
- •Structured handling techniques with controlled, neutral body language can mitigate emotional contagion and stress transfer to horses