Research gap at a glance
- Question: When a training that emphasises attention to the body is randomised against an active comparator matched on everything but that emphasis, does it improve objective interoceptive accuracy or control, and in which channels?
- Why it matters: Practitioners report heightened body awareness, cross-sectional accuracy studies find none, and the one well-controlled trial measured no accuracy at all. Answering it decides whether contemplative training changes interoceptive perception, or only attention, regulation and self-report.
- Theme: Intervention
- Status: open
What the wiki already knows
- Experienced meditators did not show better heartbeat detection than non-meditators (Khalsa et al. 2008; Parkin et al. 2013), although training effects appear in the specific channel trained, such as breath sensitivity (contemplative training increase objective interoceptive accuracy?, Farb et al. (2015)).
- Mindfulness training changed insula engagement and the representation of interoceptive attention, but these studies were cross-sectional and ran no accuracy task (Farb et al. (2010), Farb et al. (2013)).
- A randomised trial of interoception-focused versus movement-focused yoga in 58 adults found no differential change in the Multidimensional Assessment of Interoceptive Awareness (MAIA) or symptoms, but differential transfer to the Sustained Attention to Response Task (SART); no accuracy task was administered (Eusebio et al. (2022)).
- Interoceptive control has never been the dependent variable in this literature, although breath-focused practice trains it by construction (Interoceptive control, Respiratory tracking task with visuomotor perturbation (respyra)).
- Farb et al. hypothesise that practice broadens rather than sharpens bodily priors, an untested proposal (Perceptual inference (interoceptive)).
What would answer it
- Repeat the Eusebio design (yoga or mindfulness with versus without interoceptive emphasis, matched on format, duration, instructor and contact) with pre, post and follow-up Heart Rate Discrimination Task (HRDT), Filter Detection Task (FDT) and Respiratory tracking task with visuomotor perturbation (respyra) scores, analysing each channel and the Multidimensional Assessment of Interoceptive Awareness (MAIA) subscales separately and testing whether change in any objective measure mediates outcomes.
Connections
- Raised on: contemplative training increase objective interoceptive accuracy?, Eusebio et al. (2022), Interoceptive control, Respiratory tracking task with visuomotor perturbation (respyra), EMBODY framework (brain decoding of internal attention)
- Related concepts: Interoceptive control, Perceptual inference (interoceptive), Interoceptive taxonomy (Farb et al. Box 1), Interoceptive sensitivity
- Related debates: contemplative training increase objective interoceptive accuracy?, Is more interoceptive awareness better?
contemplative training increase objective interoceptive accuracy? states the gap in one sentence: nobody has run an interoceptive accuracy task before and after a training that was randomised against an active comparator matched on everything but interoceptive emphasis. Eusebio et al. (2022) built exactly that trial and measured self-report, symptoms and attention, but not accuracy. The debate page calls adding a heartbeat or respiratory threshold task the single most decisive available study, requiring no new methodology.
The result Eusebio et al. did get makes the gap sharper. The self-report measure the Farb position relies on did not separate the arms, yet a behavioural attention task did. So something interoceptively specific changed, and the obvious next question is whether perception or control changed with it.
Channel matters. Training effects reported so far are in the channel practised, usually the breath, and Respiratory interoception is argued to be an exceptional rather than representative channel. A design that scores cardiac and respiratory change separately, and that includes a control task, would show whether a null on cardiac accuracy reflects no effect or the wrong measure. The EMBODY framework (brain decoding of internal attention) offers a further, neural measure of time spent in interoceptive focus that has not yet been used to test this.