Breathing—one of the few physiological processes we can consciously regulate—can temporarily reshape the way the mind relates to its own experience. According to an international study involving 324 participants from 23 countries, people who reported particularly deep altered states of consciousness during a high-intensity breathing (hyperventilation) session also noted a significant drop in experiential avoidance. This, in turn, correlated with higher markers of mental well-being immediately following the practice.
The study, published in Frontiers in Psychology in July 2026, utilized validated psychometric tools: the 11-Dimensional Altered States of Consciousness Scale (11D-ASC), the Acceptance and Action Questionnaire (APEQ-S), and the Warwick-Edinburgh Mental Well-being Scale (WEMWBS). Multiple linear regression revealed that the intensity of altered states significantly predicted a reduction in experiential avoidance, which then predicted improved well-being scores. Notably, emotional breakthroughs did not act as a mediating mechanism; furthermore, subjectively difficult and painful experiences during the practice even diminished the final positive effect.
Until now, most scientific research on breathing techniques has focused either on physiological markers—such as heart rate, blood pressure, and blood gas composition—or on comparing them with meditation and psychedelics. Here, researchers (Lena Erdmann and colleagues from Humboldt University) have, for the first time in an international sample, quantitatively linked a shift in subjective attitude toward experience—specifically, reduced avoidance—to a subsequent improvement in well-being within a single session, without long-term observation.
From the perspective of predictive processing theory, developed by Friston, Clark, and their colleagues, these findings acquire a mechanistic explanation. Controlled hyperventilation temporarily destabilizes the precision of the brain's interoceptive predictions—forecasts about the state of the body. When this precision drops, the neural system is less confident in its predictions about internal signals and therefore begins to pay them more attention instead of simply ignoring them automatically. As a result, the threshold at which an experience is no longer dismissed as "too threatening to acknowledge" temporarily rises—not as a volitional act, but as a byproduct of changes in precision weighting. This does not mean that breathing creates a new experience out of thin air, but rather shows how manipulating bodily predictions affects the accessibility of existing experiences to consciousness.
Imagine a radio equipped with an automatic noise filter that mutes stations with weak signals. If you simultaneously increase the overall volume and weaken the filter, the information that was previously inaudible begins to break through the static. Similarly, during high-intensity ventilation, the altered state does not create new conscious content; instead, it lowers the filtering threshold, allowing the psyche to become aware of experiences that it usually actively suppresses as being too unpleasant.
Methodologically, the study maintains significant limitations: it remains cross-sectional and relies entirely on retrospective self-reports without a control group or objective physiological markers. Consequently, causal conclusions require substantial caution and further verification. Nevertheless, the findings add empirical weight to the growing idea that altered states induced by simple bodily techniques can serve as an effective tool for temporarily reducing experiential avoidance—a phenomenon traditionally viewed in clinical psychology as a stable personality trait and a target for long-term psychotherapy.
If these effects are confirmed in longitudinal studies with rigorous methodology and neuroimaging research, it will raise fundamental questions about expanding the indications for breathing practices. They may be useful not only for relaxation or panic management, but as a way of temporarily reprogramming the interoceptive predictions that influence a most fundamental process: which experiences become accessible to consciousness in the first place.
