Waking Up Your Spiritual Brain: Part 1

2026-06-29 - 50 min - source - Read full transcript

Shankar Vedantam (host)Lisa Miller

Key insights

Transcendent experience activates a common, universal set of neural circuits regardless of a person's specific faith tradition or lack of one.

Miller's 15 years of MRI research finds the same four circuits activate during transcendent states in Hindu, Jain, Jewish, Muslim, Catholic, Christian, and spiritual-but-not-religious subjects alike: a mind-quieting circuit shared with mindfulness, plus a bonding circuit, a ventral-attention (guidance) circuit, and a parietal circuit that yields a felt sense of being distinct yet part of a whole.

neuroscience-of-spirituality

Sustained spiritual life is associated with a thicker cortex in the exact brain regions that are thinner in people with recurrent major depression.

In an eight-year longitudinal study published in JAMA Psychiatry, people who reported their personal spiritual life was highly important to them showed greater cortical thickness across the regions of the 'awakened brain' - the same regions where cortical thinning is seen in recurrent major depression - leading Miller to describe spirituality and depression as 'two sides of one coin.'

neuroscience-of-spirituality

The capacity for spiritual/transcendent awareness is roughly one-third innate and two-thirds shaped by environment and choice, the same heritability split found for temperament and IQ-like traits.

Twin studies (raised-together vs. raised-apart) let researchers factor out shared genes from shared environment; Miller cites this method to argue every person is born with the natural neurocircuits for transcendence, but that two-thirds of the capacity is cultivated through parents, community, faith or nature exposure, and personal practices like prayer, meditation, or reading sacred text.

neuroscience-of-spirituality

Spirituality and religion are scientifically distinct constructs: spirituality is innate, religion is environmentally transmitted.

Miller cites Ken Kendler's 1997 finding, replicated in 1999, that spirituality (an innate capacity for transcendent connection) and religion (an inherited or chosen tradition, transmitted almost entirely by environment) are separable. She uses this distinction to answer critiques like 'bad things have been done in the name of religion' by asking whether a given practice is actually consistent with natural spirituality - being loving, guiding, and never leaving anyone alone.

spirituality-vs-religion

A strong personal spiritual life is associated with roughly 80 percent lower risk of adolescent addiction onset and 82 percent lower risk of completed suicide when practiced within a community.

Miller published findings in a top child-and-adolescent psychiatry journal showing spirituality's protective effect against addiction onset, and separately cites an 82 percent reduction in completed suicides among people whose spiritual life is shared within a community (sangha, minyan, fellowship) - framing the scale as comparable to a highly effective preventive medicine, given suicide is now a leading cause of death among Gen Z.

mental-health-and-meaning

Clinical and academic psychology treated spirituality as outside the bounds of legitimate science for most of Miller's career, and some colleagues actively discouraged her from discussing it.

Early in her career, a supervisor praised an informal religious service Miller organized on a psychiatric ward but told her never to mention it professionally, reflecting a broader 'radical materialist' paradigm that treated the brain as biologically sealed and spirituality as unmeasurable and unscientific; when she later published findings on spirituality's protective effects, some colleagues walked out of grand rounds in confusion.

spirituality-vs-religion

Miller got spirituality research accepted into top journals by embedding a single new variable inside otherwise conventional, familiar study designs.

She replicated nine of ten standard variables, datasets, and statistical methods used by other researchers in top peer-reviewed journals, then added one item measuring the personal importance of spirituality or religion - a strategy that let roughly 200 peer-reviewed articles pass review despite reviewers' unfamiliarity with the topic.

spirituality-vs-religion

Widespread cultural discomfort talking about religion and spirituality, dating back roughly 40 years, has left people without a shared vocabulary to discuss it even when the underlying capacity is universal.

Miller describes an 'ice age' on spiritual and religious discourse in classrooms, boardrooms, and dinner parties, where people don't know how to raise the topic without imposing their views or crossing a line, producing confusion between spirituality (innate, universal) and religion (a specific inherited or chosen tradition).

spirituality-vs-religion

'Achieving awareness' (goal-directed, strategic, controlling cognition) is necessary but insufficient for a meaningful life without 'awakened awareness' (receptive, intuitive perception of what life is showing you).

Miller argues modern culture and schooling train achieving awareness heavily - planning, optimizing, controlling outcomes - while leaving awakened awareness undeveloped, so people can move fast and accomplish a great deal ('get on the A train') without any sense of direction or purpose once they arrive.

achieving-vs-awakened-awareness

Dysthymia, a low-grade chronic dissatisfaction, often reflects an achievement-oriented life that has crowded out spiritual or transcendent connection rather than a lack of external success.

Miller describes dysthymia as a 'hole in the heart' that people try to fill with promotions, apartments, or vacations, drawing on her own experience noticing this pattern among successful, high-achieving friends whose conversations centered on career and status markers yet still felt empty.

mental-health-and-meaning

Shifting from achieving awareness to awakened awareness opens people to opportunities, relationships, and directions they could not have deliberately planned for.

Miller contrasts a transactional stance (what do I want and how do I get it) with an open, receptive stance (what is life showing me now), arguing the latter lets people be 'guided' into jobs, relationships, or paths they would have screened out under narrow, predetermined criteria.

achieving-vs-awakened-awareness

Books referenced

The Awakened Brain: The New Science of Spirituality and Our Quest for an Inspired Life - Lisa Miller - Miller's book on the neuroscience of spirituality, referenced as the basis for the episode's central framework

Companies

Teachers College, Columbia University - Lisa Miller's academic home, where she runs her spirituality and mental health research lab
JAMA Psychiatry - top peer-reviewed journal where Miller published her eight-year longitudinal study linking sustained spiritual life to cortical thickness

Techniques and frameworks

Four neural circuits of transcendent awareness - Miller's model of the 'awakened brain': a mind-quieting circuit (shared with mindfulness) plus three circuits activated together in transcendent states - bonding (feeling loved and held), ventral attention (feeling guided), and parietal (feeling distinct yet connected/never alone)
Achieving awareness vs. awakened awareness - Miller's distinction between narrow, goal-directed, top-down cognition (achieving awareness) and receptive, intuitive perception of what life is showing you (awakened awareness); she argues both are necessary but modern culture over-trains the former
Sneaking one variable into familiar study designs - Miller's publishing strategy for getting spirituality research accepted: replicate nine of ten standard variables and measures used in top journals, then add a single spirituality/religion-importance item to the design

Summary

This is part one of a two-part Hidden Brain conversation with Columbia University psychologist Lisa Miller, author of "The Awakened Brain," about the neuroscience of spirituality. Shankar Vedantam opens with Miller's early clinical encounters that first pointed her toward the topic: a 12-year-old patient named Ileana, devastated after her father's murder, whose mood transformed overnight after she interpreted meeting a boy who shared her dead father's name as a sign of his continued presence, following a Dominican memorial ceremony her family had held. A parallel story follows from Miller's time on a psychiatric inpatient unit, where she organized an informal Yom Kippur service for Jewish patients; a man known for explosive outbursts became the group's spiritual leader for the evening, and other patients experienced states of relief and forgiveness that Miller says treatment-as-usual wasn't producing. A supervisor told her the intervention was "completely right" but warned her never to mention it professionally, illustrating the era's assumption that spirituality lay outside legitimate clinical and scientific practice.

Miller then describes noticing the inverse pattern in daily life: people who were not clinically ill but seemed to lack the "illumination" she'd witnessed in her spiritually engaged patients, including in her own high-achieving social circle, where she and her husband, both working 70-80 hour weeks, began asking "is this really all there is?" She connects this to dysthymia, a chronic low-grade dissatisfaction she describes as a "hole in the soul" that promotions, larger apartments, or vacations fail to fill because it stems from a narrowly achievement-oriented life rather than external lack.

The conversation's scientific core is Miller's three-decade research program mapping spirituality onto measurable brain structure and function. Using MRI studies across faith traditions, she identifies four neural circuits activated during transcendent experience: a mind-quieting circuit shared with mindfulness, and three circuits that move together only in transcendent states - a bonding circuit (feeling loved and held), a ventral-attention circuit (feeling guided), and a parietal circuit (feeling distinct yet connected to something larger). Twin studies indicate the capacity for this kind of awareness is about one-third innate and two-thirds shaped by upbringing, community, and personal practice - the same split found for IQ. In an eight-year longitudinal study published in JAMA Psychiatry, people who sustained a strong personal spiritual life showed thicker cortex in exactly the brain regions that thin in recurrent major depression, leading Miller to frame spirituality and depression as "two sides of one coin." She also cites striking protective effects: roughly 80 percent lower risk of adolescent addiction onset and 82 percent lower risk of completed suicide associated with a shared spiritual life, framing the scale as comparable to an extraordinarily effective preventive medicine given rising suicide rates among Gen Z.

Miller distinguishes spirituality (an innate, universal neural capacity) from religion (a specific tradition transmitted by family and culture), citing psychiatric geneticist Ken Kendler's research establishing this split. She uses the distinction to reframe common objections about harm done "in the name of religion," arguing the relevant question is whether a given practice is actually consistent with natural spirituality - being loving, guiding, and never leaving anyone alone. She also describes how she got spirituality research published in top journals despite institutional skepticism: replicating nine of ten standard variables and methods trusted by the field, then adding a single item measuring the personal importance of spirituality, a strategy that produced roughly 200 peer-reviewed publications over her career even as some colleagues initially walked out of talks in confusion.

The episode closes on Miller's central practical distinction between two modes of cognition: "achieving awareness," the strategic, goal-directed, controlling mode taught heavily in school and useful for concrete tasks, and "awakened awareness," a receptive, intuitive mode that asks "what is life showing me now?" She argues achieving awareness alone can move a person quickly without any sense of direction, while awakened awareness supplies the "North Star" that lets people notice opportunities, relationships, or paths they could not have deliberately planned for.

Notable Quotes

"Was that intimate bond with the universe merely an illusion of childhood, or a real measurable human capacity that we can access as grownups?" - Shankar Vedantam

"Every human being on earth is born with a natural capacity for spiritual awareness... It is one-third innate. Every single one of us is born with the natural neurocircuits for transcendent awareness." - Lisa Miller

"The spirituality and depression appear to be two sides of one coin." - Lisa Miller

"Achieving awareness will get us on the A train and it might send us flying at great speeds. But when we disembark, we may not even know where we are." - Lisa Miller

"Dysthymia is, you could say, a hole in the heart, a hole in the soul. It is a yearning for a deeper connection in life." - Lisa Miller