New research into oxytocin touch and the spinal cord
A gentle massage can be a comforting experience. Understanding how that experience influences the nervous system is an important question for both researchers and the people who provide hands-on care.
A 2026 study by Manon Bohic and colleagues explores a possible connection between pleasant touch, oxytocin and the way the spinal cord processes sensory information. The findings offer an interesting biological explanation for some of massage’s effects, while leaving important questions for future clinical research.
This blog discusses the January 2026 version of the paper, Oxytocin Modulation of Spinal Circuits Drives Therapeutic Benefits of Massage. It was shared as a preprint, meaning that this version had not undergone journal peer review.
What the researchers studied
The research combined a human massage experiment with detailed studies of neural circuits in mice and analysis of donated human spinal cord tissue. Each part addressed a different question: how people respond to massage, how oxytocin changes sensory circuits, and whether relevant receptors are also present in humans.
In the human experiment, 37 women enrolled and 32 completed both laboratory visits. Their average age was approximately 25. Each visit involved either a 30-minute light-pressure back massage or completing questionnaires, with the order varied between participants.
The researchers measured salivary oxytocin and cortisol, heart rate, mood and responses to sensory stimulation. Participants were selected for being willing to receive massage and finding it pleasant.
The human findings
The authors reported reduced negative mood, increased salivary oxytocin, lower cortisol and a lower heart rate following massage. Participants also rated an uncomfortable electrical stimulus as less unpleasant afterwards. The stimulus was described as uncomfortable rather than painful, an important distinction when interpreting the result.
Electrical recordings showed a small increase in the time taken for an evoked sensory response to appear at the cervical spinal recording site. Larger changes in salivary oxytocin were associated with larger changes in this timing.
Together, these findings suggest that massage was associated with changes in both emotional state and sensory processing. They do not establish that oxytocin caused those changes in people: measuring it in saliva does not directly measure its release inside the spinal cord.
A closer look at the spinal cord
The mouse experiments provided stronger evidence about the underlying mechanism. Gentle brushing activated oxytocin-producing neurons in a brain region called the hypothalamus. Some of these neurons project down to the spinal cord.
There, oxytocin influenced circuits involved in processing both gentle touch and potentially harmful stimuli. In simplified terms, it strengthened certain responses associated with rewarding touch while dampening pathways associated with pain-related avoidance.
When researchers reduced oxytocin receptor expression in a specific spinal region, gentle brushing no longer produced the same rewarding behavioural response, even though basic touch sensitivity remained. In
separate experiments, activating spinal neurons that express these receptors reduced pain-related responses in mice with nerve injuries.
Donated human spinal tissue also contained oxytocin receptor signals in both excitatory and inhibitory neurons. This makes a similar mechanism in humans plausible, although the tissue findings cannot prove that it explains a person’s response to massage.
Why this matters for hands-on care
For massage therapists, the research adds detail to our understanding of touch as sensory input. A treatment involves physical contact with tissues, but also an experience that the nervous system receives and interprets.
My clinical interpretation is that the person’s comfort deserves careful attention. The human experiment used gentle massage that participants found pleasant. It did not compare pressure levels or establish an ideal technique, so it cannot tell us that one style of massage produces the best oxytocin response.
It does, however, provide a useful reason to investigate how comfortable touch might contribute to care. In practice, I would connect that question with listening to feedback, agreeing on pressure and pace, and reviewing how a person feels during and after a session. These are clinical principles rather than protocols tested by this study.
What we still need to learn
This was not a trial demonstrating lasting pain relief or improved function in people with persistent pain. The human sample was small, consisted of young women and excluded clinically significant medical conditions. A questionnaire comparison also cannot fully separate the effects of touch from rest, attention or expectations.
The strongest causal findings came from animal experiments involving specialised manipulation of neural circuits. Those findings cannot be treated as proof that ordinary massage produces the same degree of pain relief in humans.
Future studies need to test outcomes that matter to patients: comfort, sleep, movement and daily function, as well as how long any benefits last. They also need to examine different populations and compare treatment approaches.
An encouraging direction for research
This paper offers a promising link between pleasant touch, oxytocin and spinal sensory processing. Its contribution is a more detailed explanation to investigate, rather than a complete account of how massage works.
For me, it strengthens the case for studying therapeutic touch with the same care we bring to clinical practice. A comfortable, individualised experience can matter to the person receiving treatment. Understanding the biology behind that experience may help us ask better questions and develop more informed care.
Source
Bohic M and colleagues (2026). Oxytocin Modulation of Spinal Circuits Drives Therapeutic Benefits of Massage. bioRxiv preprint, version 1, posted 12 January 2026. https://www.biorxiv.org/content/10.64898/2026.01.11.698886v1
For further information or to discuss any additional questions, please contact Muscle Medicine today or arrange a consultation with one of our experienced therapists. Muscle Medicine is located in beautiful Double Bay, Sydney. Feel free to contact us on 02 9252 9140 or book online.
Frequently asked questions
- Does massage release oxytocin?
In the study, salivary oxytocin rose after a 30-minute light-pressure back massage. Saliva doesn’t directly measure what happens inside the spinal cord, so the authors don’t show that oxytocin caused the other changes in people. - Does gentle massage reduce pain?
The pain-related findings came mainly from mice with specialised manipulation of neural circuits. In people, an uncomfortable (not painful) electrical stimulus was rated as less unpleasant after massage. The study did not show lasting pain relief. - What is a preprint?
A preprint is a research paper shared before journal peer review. The version discussed here was posted in January 2026 and had not been through that review. - Does how firm the massage is matter?
This study used gentle massage that participants found pleasant. It did not compare pressure levels, so it can’t say which style is best. In practice we agree on pressure and pace with you and check in during the session. - Can massage replace medical care for persistent pain?
No. The research is early and this was not a trial of people with persistent pain. If you have ongoing pain, see your GP. - What happens at a first appointment?
We talk through your concerns, agree on pressure and pace, and check how you feel during and after the session.