Default Mode Network and Hypnosis: What the Brain Does When It Quiets Down

When you are not doing anything in particular, your brain is far from idle. A set of regions called the default mode network lights up during mind-wandering, self-reflection, and replaying the past or imagining the future [1]. This is the background hum of thinking about yourself, and for many people it is also where rumination, worry, and old stories about who you are tend to live.

Hypnosis seems to do something interesting to that network. Brain imaging studies report that during hypnotic states, activity in the default mode network tends to decrease, while connectivity between executive and salience networks shifts [2][3]. In plain terms, the self-referential chatter dims, and the brain becomes more open to focused, experiential change.

My background is in cognitive science at Berkeley, and I am not a clinician or a lab neuroscientist. What follows is an educational look at what the published literature says, and how you can use guided self-hypnosis sessions to explore these mechanisms yourself. Nothing here is medical advice.

What the Default Mode Network Actually Does

The default mode network is one of the most robust functional networks in the brain. It is associated with intrinsic processes like mind-wandering and self-projection, and its activity is anticorrelated with networks linked to attention to external stimuli [1]. In other words, when you are lost in thought about yourself, the default mode network is active; when you are focused on a demanding external task, it quiets down.

This is not a flaw. Self-referential processing helps you plan, remember, and construct a sense of identity. But when the network becomes rigid or overactive, it can fuel repetitive worry, self-criticism, and the feeling that your old patterns define you. That is why researchers are interested in what happens when this network is modulated, as it appears to be in altered states of consciousness including sleep, anesthesia, and hypnosis [1].

The integrity of both the default mode network and the attention network is disturbed in altered states of consciousness [1]. In coma and related disorders of consciousness, default mode network integrity correlates with the level of remaining consciousness, which has even led researchers to explore its use for diagnostic and prognostic purposes [1]. That tells us this network is deeply tied to the texture of conscious experience itself.

How Hypnosis Appears to Quiet the Default Mode Network

A 2024 scoping review of MRI studies on mindfulness meditation and hypnosis found that the primary commonality between the two practices was decreased default mode network intrinsic activity and increased central executive network to salience network connectivity [2]. This suggests that both practices shift the brain away from self-referential looping and toward a more regulated, present-focused state.

There were also differences. Increased connectivity between the default mode network and the salience network was observed in meditative practice and mindfulness predisposition, but not in hypnosis [2]. This is a meaningful distinction: in hypnosis, the default mode network may decouple from the salience network rather than strengthen its link, which could relate to the unique phenomenology of hypnotic absorption.

An integrative review proposed a formal mechanistic model in which hypnotic induction produces heightened experiential plasticity through coordinated network reconfiguration, enabling adaptive emotion regulation and reduced dissociative fragmentation [3]. Key findings from neuroimaging studies demonstrate that hypnotic states consistently reduce default mode network activity, enhance executive control network to salience network coupling, and modulate connectivity patterns associated with self-referential processing [3].

One challenge in studying hypnosis is separating the hypnotic state itself from the specific suggestions given during an experiment. A resting-state fMRI study of 24 healthy volunteers aimed to address this by scanning people in neutral hypnosis, meaning hypnosis without any target suggestions [4]. The study found that all network maps of the hypnotic condition presented higher connectivity than those of the resting condition, but only contrasts for the dorsal attention network, salience network, and sensorimotor network were statistically significant [4]. Parietal and occipital regions displayed increased connectivity across networks, implying dissociation from the frontal cortices [4].

Why This Matters for Habits, Emotions, and Self-Stories

If the default mode network is where self-referential stories live, then reducing its activity may matter for anyone trying to change a habit or emotional pattern. The integrative review described above proposed that hypnosis operates through fundamental mechanisms of emotional regulation and self-integration, modulating large-scale brain networks including the default mode network, executive control network, and salience network [3].

The review introduced the construct of Fundamental Peace, operationalized as a dynamic neuro-experiential state characterized by flexible attentional control without effortful suppression, emotional coherence across self-states, reduced self-referential rigidity, and compassionate self-awareness [3]. This is not just feeling relaxed. It is a model of integrated regulatory capacity under changing conditions.

Neuroimaging studies of hypnosis also show that hypnotic processes modify internal awareness networks as well as external environmental awareness networks [5]. Brain mechanisms underlying the modulation of pain perception under hypnotic conditions involve cortical and subcortical areas including anterior cingulate and prefrontal cortices, basal ganglia, and thalami [5]. This is relevant because pain, like emotion, is shaped by attention and prediction, not just by incoming signals.

The practical implication is that when the default mode network quiets, the brain may be more receptive to rehearsing a new response. This aligns with the broader idea that state precedes story: when the nervous system is downshifted and attention is narrowed, it is easier to install a vivid, specific alternative to an old automatic pattern.

• Try a short hypnosis session when you notice repetitive self-talk or worry, since that is a sign the default mode network is running hot.
• Use specific, vivid imagery during or after induction, because the brain appears more plastic to experiential rehearsal in this state.
• Do not expect hypnosis to erase memories or instantly rewire habits; the evidence supports modulation and support, not cure or guaranteed outcomes.

What the Evidence Does and Does Not Show

It is important to be honest about the limits of this research. The scoping review noted that while MRI studies provide a better understanding of the neural basis of hypnosis and meditation, the review underscores the need for more rigorous studies [2]. Sample sizes are often small, and hypnotic suggestibility varies widely between individuals.

The integrative review critically evaluated its framework against alternative theories including dissociated control, cold control, predictive processing, and social-cognitive models [3]. This means the network reconfiguration model is a compelling lens, not a settled consensus. It should be presented as a leading interpretation of the data.

A review of the neurophysiology of hypnosis covers behavioral, neuroimaging, and electrophysiological studies, rather than describing hypnosis through a single brainwave measure [5]. The MRI scoping review also emphasizes the need for more rigorous studies, so its findings should be interpreted cautiously [2].

If you are dealing with a clinical condition such as chronic pain, trauma, severe anxiety, or a dissociative disorder, please consult a qualified professional. Hypnosis and guided audio can support wellbeing, but they do not treat or cure medical or psychiatric conditions.

A Simple Practice to Notice the Shift Yourself

You do not need a scanner to notice what it feels like when the default mode network quiets. The next time you catch yourself spiraling into self-referential worry, try a brief guided hypnosis session and pay attention to what changes.

Notice whether the mental chatter dims, whether your body softens, and whether the old story feels less compelling. That subjective shift is consistent with what the imaging studies describe: reduced default mode network activity and a reconfiguration of attentional and salience networks [2][3].

The goal is not to force the network to shut off. It is to give the brain a vivid, specific alternative to rehearse while the self-referential loop is briefly dialed down. Over time, that is how automatic patterns get updated.

Key takeaways

• The default mode network underpins mind-wandering and self-referential thought, and hypnosis appears to reduce its activity.
• Hypnosis may enhance coupling between executive and salience networks, supporting flexible attention without effortful suppression.
• Neutral hypnosis without suggestions still changes brain connectivity, suggesting the hypnotic state itself has neural effects.
• Quieting the default mode network may create a window where new habits and emotional responses are easier to rehearse.
• The evidence is promising but limited; hypnosis supports wellbeing and does not treat or cure clinical conditions.

If you want to experience what it feels like when the default mode network quiets, try a guided session designed to narrow attention and downshift the nervous system. Explore Hypnothera sessions

Sources & Further Reading

1. Guldenmund P, Vanhaudenhuyse A, Boly M et al. (2012). A default mode of brain function in altered states of consciousness. Archives italiennes de biologie. https://doi.org/10.4449/aib.v150i2.1373
2. Sim S, Maldonado IL, Castelnau P et al. (2024). Neural correlates of mindfulness meditation and hypnosis on magnetic resonance imaging: similarities and differences. A scoping review. Journal of neuroradiology = Journal de neuroradiologie. https://doi.org/10.1016/j.neurad.2023.11.002
3. Gallardo LM, Chetri S (2026). Hypnosis as a Mechanism of Emotion Regulation and Self-Integration: An Integrative Review of Neural, Cognitive, and Experiential Pathways to Fundamental Peace. Behavioral sciences (Basel, Switzerland). https://doi.org/10.3390/bs16030395
4. Vázquez PG, Whitfield-Gabrieli S, Bauer CCC et al. (2024). Brain functional connectivity of hypnosis without target suggestion. An intrinsic hypnosis rs-fMRI study. The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry. https://doi.org/10.1080/15622975.2023.2265997
5. Vanhaudenhuyse A, Laureys S, Faymonville ME (2014). Neurophysiology of hypnosis. Neurophysiologie clinique = Clinical neurophysiology. https://doi.org/10.1016/j.neucli.2013.09.006