A single dose of intranasal oxytocin modulated interpersonal motor resonance differently in autistic vs. non-autistic men, depending on social context and individual factors.
24 IUSingle intranasal oxytocin dose showing context- and person-dependent effects on social motor mirroring
What the researchers found
Intranasal oxytocin modulated social motor mirroring in context- and person-dependent ways in autistic and non-autistic men.
Why it matters
Understanding how oxytocin affects social cognition in autism — and why it varies between individuals — is crucial for developing personalized therapies.
The numbers in context
Single dose of 24 IU intranasal oxytocin; measured corticomotor excitability via TMS; person-specific effects modulated by endogenous oxytocin levels.
How the study worked
Neurophysiological study using TMS-measured corticomotor excitability after single-dose intranasal oxytocin (24 IU) during social action observation.
Who was studied
Young adult men with and without autism spectrum disorder
What this study cannot tell us
Only young adult men studied. Single-dose design — chronic effects unknown. TMS is an indirect measure of social processing.
How to read the evidence
Single-dose neurophysiology study — provides mechanistic insight but cannot establish clinical therapeutic efficacy.
When this study was published
Published in 2025, advancing personalized medicine approaches to oxytocin therapy in autism.
The bigger picture
The finding that oxytocin effects are person- and context-dependent challenges the one-size-fits-all approach to oxytocin therapy in autism.
Questions still open
- Could individual oxytocin receptor genetics predict who responds?
- Would repeated oxytocin dosing show different or cumulative effects?
Common questions
Can oxytocin help with autism?
What is motor resonance?
Read the original research
Endogenous and exogenous oxytocin modulate interpersonal motor resonance in autism: A context-dependent and person-specific approach.
Autism : the international journal of research and practice, 29(8), 2123-2136
Citation
Prinsen, Jellina; Alaerts, Kaat. (2025). Endogenous and exogenous oxytocin modulate interpersonal motor resonance in autism: A context-dependent and person-specific approach.. Autism : the international journal of research and practice, 29(8), 2123-2136. https://doi.org/10.1177/13623613251335730