| Health / Health News |
Mindfulness training may lead to altered states of consciousness
Mindfulness training may lead participants to experience disembodiment and unity – so-called altered states of consciousness – according to a new study from researchers at the University of Cambridge.
Mindfulness training may lead to altered states of consciousness. Photo: Dingzeyu Li/unsplash
The team say that while these experiences can be very positive, that is not always the case. Mindfulness teachers and students need to be aware that they can be a side-effect of training, and students should feel empowered to share their experiences with their teacher or doctor if they have any concerns.
Mindfulness-based programmes have become very popular in recent years. According to recent surveys, 15% of adults in the UK have learnt some form of mindfulness.
They are often practised as a way of reducing stress or coping with depression and anxiety.
There is anecdotal evidence that practising mindfulness can lead to alterations of the senses, self, and body boundaries, some even similar to those induced by psychotropic drugs.
From September 2015 to January 2016, the University of Cambridge conducted a randomised controlled trial to assess the effectiveness of mindfulness training as a way of coping with the stress of examinations and found that it can help support students at risk of mental health problems.
Dr Julieta Galante from the Department of Psychiatry at the University of Cambridge, who led the trial, said: “There’s been anecdotal evidence that people who practice mindfulness experience changes in how they perceive themselves and the world around them, but it’s difficult to know whether these experiences are a result of mindfulness practice or whether people who are more prone to such experiences are also more likely to practise mindfulness.
“Because we’d been running a randomised trial of mindfulness practice with several hundred students at Cambridge, we realised this offered us an opportunity to explore this question further.”
The team behind the trial followed up with participants a year later to investigate whether they had experienced any of the altered states of consciousness being reported anecdotally.
Participants were asked to complete a questionnaire that explored 11 ‘dimensions’ such as: spiritual experience; blissful state; disembodiment; and unity. In experiences of unity there is a sense that borders dissolve and everything, sometimes including the sense of time, is perceived in an integrated way.
Disembodiment experiences often consist of a floating sensation or a dissolution of body boundaries, which may facilitate strong unity experiences.
In total, 670 participants took part in the randomised trial. Around a third each from the mindfulness trial and the control arm went on to complete the questionnaire about experiences of altered states of consciousness.
The researchers found that people who had received the mindfulness training were twice as likely as those in the control group to experience unity and disembodiment.
When the researchers explored the relationship between the total hours of formal mindfulness practice and the presence and intensity of experiences of altered states of consciousness, they found that the more people practised, the more likely they were to have an experience of unity, disembodiment, or of a blissful state.
Participants who reported having meditated in the six months prior were asked if altered states of consciousness happened during meditation. Based on this sub-sample of 73 participants, 43% reported unity experiences during meditation, 47% blissful states, 29% disembodiment experiences, and 25% insightfulness experiences.
Dr Galante said: “Although we can’t say definitively, our results at least suggest the possibility that mindfulness training causes these experiences of unity and disembodiment. It aligns with other studies showing that people who practice mindfulness training are more likely to describe experiencing a sense of relaxed self-boundaries and broadening their spatial awareness beyond the physical body.”
Dr Galante, who practices mindfulness, has herself experienced these altered states of consciousness.
“I’ve benefited a lot personally from meditation and mindfulness and I’ve also had many of these experiences,” she said. “They were intense, and at first I found it difficult to share them with my meditation teacher. I didn’t know if they were normal or desirable or if they were a sign of problems with my mental health.”
While many experiences of altered states of consciousness are likely to be interpreted as pleasant, this may not always be the case, and Dr Galante says that it is important for teachers and their students to be aware that they may arise and be open to talking about them.
She added: “The most common and intense experiences tend to be those that do not have intrinsically unpleasant characteristics. Some, such as bliss, can feel extremely pleasant. But some experiences, such as disembodiment or altered sense of self could be perceived as unpleasant, or startling, even alarming, especially if you’re not expecting them.
“It’s important that people who are offered mindfulness are told about the possibility that they may come across these experiences. That way, if they do experience them, they shouldn’t be disconcerted. There may be nothing wrong with their experience, but it may be useful for them to check in with their mindfulness teacher, and if the experience was negative, to also consider discussing it with their doctor.”
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