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Diane Hennacy02 February 2026

#368 - Harvard Doctor: “I Witnessed a Test That Shouldn’t Be Possible”

1Frameworks
15Insights

Episode overview

Danny Jones speaks with Harvard psychiatrist and Johns Hopkins-trained neuropsychiatrist Diane Hennacy about the experiences that led her from conventional neuroscience toward research on ESP, telepathy, autism, and savant syndrome. Hennacy describes controlled work with autistic participants, including a test in which one participant reportedly identified 165 of 172 randomly generated digits, while Jones presses her on sensory leakage, repeatability, and experimental controls. They also explore memory, hippocampal function, microtubules, endogenous DMT, light-based neuromodulation, education, technology dependence, and Hennacy's plans for research into precognition, mediumship, and random-number-generator effects.

Key ideas

  • Hennacy says a hospital patient's strikingly specific personal predictions initiated her investigation of psychic phenomena and consciousness.
  • Autistic savants may offer unusually strong, repeatable cases for studying information access that conventional neuroscience does not readily explain.
  • In Hennacy's six-hour study of Haley, the participant reportedly identified 165 of 172 randomly generated digits under camera observation and a visual barrier.
  • Jones argues for stronger separation, independent skeptical observers, and controls against cueing; Hennacy agrees separate-room testing would be valuable.
  • Hennacy proposes that hippocampal and right-hemisphere processes may help navigate mental or informational space, not only physical space and ordinary memory.
  • The discussion treats neurons, glial cells, astrocytes, microtubules, biological light, and endogenous DMT as candidate parts of a broader systems model of consciousness.
  • Hennacy plans prospective, time-stamped research into autistic participants' reported precognition, mediumship, biochemical markers, and influence on random-number generators.
  • Both speakers examine how education and digital technology may strengthen analytical habits while weakening creativity, intuition, practical skills, and direct experience.

Transcript available · source text is retained privately and is not published

Frameworks in this episode

People & resources mentioned

Attributed to the moment in the episode. Timestamps are approximate.

People · 29

  • Diane HennacyMentionsHarvard psychiatrist and Johns Hopkins-trained neuropsychiatrist who researches autism, savant abilities, telepathy, ESP, and consciousness.

    All right, Diane, thank you for doing this.

  • Danny JonesMentionswe'll do this after the podcast. All right, that's all. Goodnight folks.

    All right, Diane, thank you for doing this.

  • Russell TargMentionsResearcher associated with remote-viewing work discussed at a conference attended by Hennacy.

    I went to a conference where Russell Tar spoke about his work that he did on remote viewing

  • John E. MackMentionsHarvard psychiatrist, Pulitzer Prize-winning author, and researcher of reported alien-abduction experiences.

    And at the time I was just down the hall from John Mack.

  • John E. MackMentionsHarvard psychiatrist, Pulitzer Prize-winning author, and researcher of reported alien-abduction experiences.

    he had written you know a book on Lawrence of Arabia and he had gotten a Puliter Prize for that

  • Ben CarsonMentionsNeurosurgeon whom Hennacy encountered during medical training at Johns Hopkins.

    Ben Carson was there. I knew Ben Carson.

  • Henry MolaisonMentionsNeurological patient H.M., whose bilateral temporal-lobe surgery left him unable to form new memories.

    Have you heard of the gentleman uh I think his name's Henry Mulasan.

  • Henry MolaisonMentionsNeurological patient H.M., whose bilateral temporal-lobe surgery left him unable to form new memories.

    here here he is. Henry Mullisan.

  • Oliver SacksMentionsNeurologist and author whose accounts of autistic savant twins influenced Hennacy's research interests.

    I read Oliver Sachs book the man who mistook his wife for a hat back in 1986.

  • Oliver SacksMentionsNeurologist and author whose accounts of autistic savant twins influenced Hennacy's research interests.

    I met I met Oliver Saxs back then.

  • Daniel TammetMentionsAutistic savant discussed for reciting more than 22,000 digits of pi through vivid visual perception.

    I learned about um Daniel Tamut who is an autistic soant

  • Michael RutterMentionsAutism expert with whom Hennacy undertook a fellowship at the Institute of Psychiatry in London.

    work with Michael Ruer who was kned for his work on autism afterwards

  • Eric KandelMentionsNeuroscientist cited in discussion of the conventional materialist model of neuroscience.

    I have a book you know Eric Kandell you know he did work on this you know u on the snail

  • Andrew HubermanMentionsPodcast host and neuroscientist mentioned in relation to an interview with Eddie Chang.

    I think it was Andrew Huberman on a podcast he's friends with Andrew Huberman

  • Adolf MeyerMentionsPsychiatrist whose biological, psychological, and sociological approach shaped Johns Hopkins psychiatry.

    a contemporary of Freud's named Adolf Meyer.

  • Dean RadinMentionsParapsychology researcher cited for discussing meta-analyses of large numbers of trials.

    And that's one of the things that Dean Raiden um frequently will quote.

  • Darold TreffertMentionsSavant-syndrome expert who connected Hennacy with Haley and publicly accepted telepathy as a savant skill.

    her father knew knew Daryl Trefford and knew about mathematical sants

  • Darold TreffertMentionsSavant-syndrome expert who connected Hennacy with Haley and publicly accepted telepathy as a savant skill.

    Daryl Trefford's no longer alive, but he he he was convinced.

  • A. R. LuriaMentionsPsychologist and author discussed for studying a man with exceptionally comprehensive memory.

    There was a um there was a um psychologist uh whose last name was Laura and L u r i a

  • Jason BrandtMentionsJohns Hopkins neuropsychologist who imaged a patient with highly superior autobiographical memory.

    one of my um former colleagues from John's Hopkins um Jason Brandt um who was a a neurossychologist

  • Stuart HameroffMentionsResearcher associated with theories connecting neuronal microtubules to consciousness.

    His name is Stuart Hamoff. You familiar with him?

  • Stuart HameroffMentionsResearcher associated with theories connecting neuronal microtubules to consciousness.

    He thinks the microtubules have something to do with consciousness.

  • Jack KruseMentionsNeurosurgeon and online advocate for sunlight, red-light exposure, and mitochondrial health.

    have you ever heard of Jack Cruz?

  • Jack KruseMentionsNeurosurgeon and online advocate for sunlight, red-light exposure, and mitochondrial health.

    He's a big proponent of like red light, sunlight, UV light, all this stuff.

  • Fritz-Albert PoppMentionsBiophoton researcher cited as helping validate Gurwitsch's earlier work.

    Fritz Pop is another one of those guys.

  • Wilhelm ReichMentionsResearcher discussed as developing microscopes that did not require an external light source.

    you had Royal Reich you know who had um he developed these microscopes that didn't require light

  • Rick StrassmanMentionsDMT researcher briefly considered as the source of a claim before the host corrected himself.

    I think um Rick Straman was explaining to us how or no, no, it wasn't Rick Stman.

  • Christopher McCurdyMentionsScientist identified by the host as having conducted a study on kratom and researching endogenous DMT regulation.

    Chris McCertie. Yes. He's a scientist based in northern Florida

  • William JamesMentionsPhilosopher and psychologist credited with the white-crow argument about exceptions disproving absolute claims.

    I think it was um William James who said, you know, it to to prove that all crows aren't black

Resources · 39

  • Harvard UniversityMentionscompany

    how does a Harvard trained psychotherapist or John Hopkins trained who you teach taught at Harvard, right?

  • San DiegoMentionsplace

    Oh, San Diego. That's where you're going to move

  • Cambridge HospitalMentionscompany

    he had started the department of psychiatry at Cambridge Hospital where I was where this happened.

  • Lawrence of Arabia: A Biographical EnquiryCoinedbook · John E. Mack

    he had written you know a book on Lawrence of Arabia and he had gotten a Puliter Prize for that

  • OprahMentionstv show · Oprah Winfrey

    combined with uh going on Oprah and going on all these huge talk shows and talking about it

  • Johns Hopkins UniversityMentionscompany

    when I first went to medical school at Johns Hopkins, my intention was to be a neurosurgeon.

  • Mizzen+MainRecommendscompany

    Miz andMine is offering our listeners 20% off your first purchase at misinandm.com using the promo code danny20.

  • Moonwalking with EinsteinMentionsbook · Joshua Foer

    I read about it in a book um called Moonwalking with Einstein all about memory.

  • E-meterUsesproduct · Scientology

    he got me an E-meter as a gift. So, we put it up here as a fun prop.

  • ScientologyMentionsother · L. Ron Hubbard

    And all of the top remote viewers were Scientologists.

  • PrizePicksRecommendsproduct · PrizePicks

    Download the Prize Picks app today and use the code Danny to get $50 in lineups

  • The Man Who Mistook His Wife for a HatMentionsbook · Oliver Sacks

    I read Oliver Sachs book the man who mistook his wife for a hat back in 1986.

  • The ESP EnigmaCoinedbook · Diane Hennacy Powell

    yeah that's what led to my writing my book the ESP enigma

  • The Telepathy TapesMentionspodcast · Ky Dickens

    I mean the telepathy tapes is full of a lot of anecdotes.

  • ProzacMentionsproduct · Eli Lilly and Company

    when I did all of my training in psychiatry it was before Prozac

  • Amanita muscariaUsesproduct

    I take a couple of these when I get home after work

  • AmanitaRRecommendscompany

    Go to amantara.com/go/dj and use the code dj22 for 22% off your first order.

  • Zener cardsUsestool · Karl Zener

    a lot of parasychology research has been of the order of um you know let's say we've got zener cards

  • A Random Number GeneratorUsestool

    using a random number generator to generate six-digit random numbers.

  • A Mind of a MnemonistCoinedbook · A. R. Luria

    he wrote a book u on the ne neminist and it was this man that he met who he couldn't forget anything.

  • MandoUsesproduct · Lume Deodorant, LLC

    And that's why I use Mando.

  • MandoRecommendsproduct · Lume Deodorant, LLC

    I highly recommend the solid stick in bourbon leather.

  • Human Genome ProjectMentionsevent

    I did one year of a fellowship in genetics at the time of the human genome project

  • University of ArizonaMentionscompany

    that's being done at the University of Arizona

  • Science of Consciousness ConferenceMentionsevent

    I first met the people who were doing this kind of work uh at a science of consciousness conference

  • SeaWorldMentionscompany

    it's similar to a a killer whale in a tank at SeaWorld.

  • Florida public school systemMentionsother

    Whoa. Florida sees 40% in 46% increase in homeschooling over the past 5 years.

  • The BibleMentionsbook

    there's so much truth in the Bible.

  • The Garden of EdenMentionsplace

    the story of Adam and Eve in the garden and how they got kicked out of the garden.

  • AmazonMentionscompany

    drones delivering your Amazon groceries

  • Antikythera MechanismMentionsproduct

    when you hear of things like, you know, the um what's the name of that device? The Anticaria

  • DMTMentionsproduct

    extended state DMT where they put people on an IV of DMT

  • AyahuascaMentionsproduct

    a lot of people when they do you know psychedelics like you know psilocybin or or iawaska they'll they'll experience telepathy as well.

  • DMTMentionsproduct

    we know that the that the brain makes you know DMT.

  • Forever Family FoundationMentionscompany

    I'm on the scientific advisory board of the Forever Family Foundation

  • Hennacy InstituteCoinedcompany · Diane Hennacy

    I now have a nonprofit, so you know 5013C uh institute for doing this research

  • Diane Hennacy newsletterRecommendsnewsletter · Diane Hennacy

    they can sign up for my newsletter. That's the best way to to to be in contact with me.

  • Dr. Diane Hennacy websiteCoinedwebsite · Diane Hennacy

    my personal website is Dr. Diane Hennessy hennacy.com

  • Hennacy InstituteMentionscompany · Diane Hennacy

    And that's hennessyinstitute.org.

Spot an error or want something removed? Request a correction or removal.

Insights & moments

The myth-busts, hot takes, explainers, and tools worth keeping.

Hot Take· 3

Hot Take2:01:30

Why Homeschooling Is Surging as Schools Optimize for Testing

Reacting to data showing a 40-46% rise in Florida homeschooling over five years, Hennessy argues schools have become about memorization and standardized testing rather than critical thinking, pushing parents — especially post-pandemic — toward homeschooling co-ops that still provide socialization.

  • Florida saw a reported 40-46% increase in homeschooling over five years
  • Hennessy attributes it to schools optimizing for test scores over critical thinking
  • The pandemic made many parents newly aware of what their children were actually learning
  • Homeschool co-ops (sailing, sports, museum days) are filling the socialization gap

It's become more about memorizing and less about learning how to critically think.

Diane Hennessy · 2:02:00
#education#homeschooling#critical-thinking
Hot Take2:10:30

Reading Adam and Eve as a Warning About Trusting Books Over Direct Experience

Hennessy offers a personal, non-literal reading of the Garden of Eden story: eating from the tree of knowledge marks the shift from trusting direct perception to trusting the written word — and argues this same shift makes people talk themselves out of real ESP experiences because a textbook labels them 'pseudoscience.'

  • Frames the apple as a symbol for the shift from direct knowing to trusting written authority
  • Argues people rationalize away real ESP-like experiences because books tell them it's impossible
  • Draws a parallel to reading negative comments after a podcast and doubting one's own direct experience
  • Applies the same idea to parents who trust their child's telepathic experiences over textbook skepticism

We started believing what we read in a book... that created the possibility to get us to deviate from truth.

Diane Hennessy · 2:11:00
#philosophy#epistemology#esp
Hot Take2:48:00

Why the Burden of Proof on ESP Research Keeps Moving

Hennessy argues that mainstream science has set an artificially high, ever-shifting bar for accepting ESP evidence, invoking William James's 'one white crow' argument: a single confirmed exception should be enough to break an absolute rule that something is impossible.

  • Argues skeptics keep raising the bar of proof whenever new evidence is presented
  • Cites William James: proving all crows aren't black only requires finding one white crow
  • Says the materialist model itself offers no complete explanatory alternative
  • Frames current parapsychology researchers as being asked for many 'white crows' instead of one

To prove that all crows aren't black, all you need to find is one white crow.

Diane Hennessy · 2:50:00
#skepticism#philosophy-of-science#esp

Explainer· 6

Explainer04:00

Why Physics Already Told Us Reality Isn't What It Looks Like

Hennessy explains that decades before she studied parapsychology, physics had already undermined the common-sense view of reality — quantum physics and Einstein's work suggest linear time is an illusion, with some physicists arguing past, present, and future coexist.

  • Quantum physics shows our sense of reality is not the 'real reality'
  • Einstein's work on time suggests the forward-moving arrow of time is an illusion
  • Some physicists argue past, present, and future coexist simultaneously
  • This gave Hennessy an intellectual opening to take parapsychology seriously

There were physicists who said that the past present and future all coexist.

Diane Hennessy · 04:30
#physics#consciousness#time
Explainer36:00

The Autistic Twins Who Traded 20-Digit Prime Numbers Like Conversation

Hennessy recounts Oliver Sacks's famous case of institutionalized autistic twins who could generate consecutive prime numbers up to 20 digits and calculate the day of the week for any date across thousands of years — despite being unable to do simple arithmetic.

  • Twins traded consecutive prime numbers back and forth, scaling from 6-digit to 20-digit numbers on request
  • 1960s computers couldn't verify prime numbers beyond 12 digits, capping what Sacks could confirm
  • The twins could also do calendar calculations across thousands of years
  • They reported seeing the answers as visual objects floating in space, not calculating them

They just saw the answers. And they saw the answers out here in physical space just like floating in space.

Diane Hennessy · 37:30
#savant-syndrome#autism#memory
Explainer1:19:00

Why the Right Hemisphere Might Be the Gateway to Psychic Experience

Hennessy lays out a pattern she says she's seen repeatedly: savant and ESP-type abilities cluster in right-hemisphere functions (pattern recognition, gestalt, visual-spatial), while the left hemisphere (language, logic, linear analysis) tends to shut those abilities down.

  • Right hemisphere is associated with gestalt thinking, pattern recognition, and visual-spatial processing
  • Western education systems are built to develop left-hemisphere skills almost exclusively
  • In dreaming sleep, the right hemisphere dominates and the frontal lobes (which create expectations) shut down
  • Autistic savants tend to have strong right-hemisphere skills alongside left-hemisphere language deficits

Language can be very very deceptive... language can lead us away from the truth.

Diane Hennessy · 2:00:00
#neuroscience#brain#intuition
Explainer20:30

The Brainwave Frequency Linked to Remote Viewing

Hennessy explains the hippocampus's dual role in memory and spatial navigation — including the Nobel-winning discovery of grid and place cells — and its connection to theta-frequency brain activity, which imaging studies have linked to remote viewing and other psychic phenomena.

  • Hippocampus contains grid cells and place cells that form an internal map of physical space (Nobel Prize research)
  • Hippocampus is the main source of theta activity (4-8 Hz), especially active during dreaming sleep
  • Famous remote viewer Ingo Swann showed unusual 7 Hz activity in his occipital lobe while remote viewing
  • Hennessy hypothesizes the hippocampus may navigate 'mental space' the same way it navigates physical space

That seven hertz activity has been associated with things like remote viewing and various psychic abilities.

Diane Hennessy · 20:30
#neuroscience#hippocampus#remote-viewing
Explainer1:27:00

The Rare Condition Where People Can't Forget Anything

In contrast to patients who can't form new memories, Hennessy describes hyperthymesia — a condition with fewer than 100 diagnosed cases worldwide — where people retain vivid, complete detail of nearly every day of their lives, correlated with excess white matter around the hippocampus.

  • Fewer than 100 people worldwide have been diagnosed with hyperthymesia as of 2021
  • Patients can recall mundane details — weather, meals — from any specific date on demand
  • A colleague's imaging of one patient found excessive white matter around the hippocampus
  • Hennessy compares this to her belief that Einstein had excess white matter around his angular gyrus

There are people who can't forget a thing to save their life.

Diane Hennessy · 1:26:30
#memory#neuroscience#rare-conditions
Explainer1:34:30

Why Microtubules Might Be the Real Seat of Consciousness

Hennessy argues neuroscience has overfocused on neurons and neurotransmitters (about 10% of brain cells) while ignoring the rest of the system — including microtubules, which she compares to superconductors and believes play a central role in consciousness, a view she shares with physicist Stuart Hameroff.

  • Neurons make up only about 10% of brain cells; the rest are glial cells including astrocytes
  • A typical neuron contains roughly 10,000 microtubules, packed densely, not merely as scaffolding
  • Microtubules also form the core of sensory structures like inner-ear hair cells and eye photoreceptors
  • Hennessy is part of a ~15-person group of physicists and neuroscientists (including Hameroff) designing experiments on this

They're like little superconductors and they clearly play a huge role in consciousness.

Diane Hennessy · 1:40:30
#consciousness#microtubules#neuroscience

Story· 4

Story00:30

The Psychic Patient Who Predicted Diane Hennessy's Whole Future

Early in her career at Harvard, Diane Hennessy was called in to evaluate a hospitalized patient who claimed to be psychic and see ghosts. The patient accurately described Hennessy's husband's job search, and predicted she would move to San Diego, leave psychiatry to write books, and have a daughter — all of which came true.

  • Patient correctly named that Hennessy's husband was applying for jobs in two cities the same week
  • Patient predicted Hennessy would move to San Diego, leave psychiatry to write books, and have a daughter
  • Everything the patient predicted for Hennessy's future came true over time
  • This event launched Hennessy's decades-long research into parapsychology

You know, you've got this really wonderful energy around you... I I'm getting a reading on you right now.

Patient (quoted by Diane Hennessy) · 01:30
#esp#precognition#psychiatry#origin-story
Story1:02:00

The Six-Hour Study Where Haley Got 165 of 172 Random Digits Right

Hennessy describes a controlled six-hour test with an autistic teenager named Haley, using a random-number generator across a visual barrier and multiple camera angles. In one run of 172 randomly generated digits, Haley correctly typed 165 of them.

  • Test used random-number generators, a visual barrier, and cameras on all sides to control for cheating
  • Haley correctly reproduced 165 of 172 randomly generated digits in one run
  • Haley was discovered when she typed an answer in logarithmic notation the moment a calculator error occurred, before anyone told her
  • She reportedly answered unrelated personal questions correctly, including a landlord's name and a German translation she'd never been taught

I see the numerators and denominators in your head.

Haley (quoted by Diane Hennessy) · 1:04:30
#telepathy#autism#research
Story1:49:00

The Neurosurgeon Who Operates Under Red Light Instead of Blue

Danny recounts stories about neurosurgeon Jack Cruz, who used red and infrared light panels instead of standard white/blue LED surgical lighting, paired with IV methylene blue, and had a patient recover from major spinal surgery overnight instead of over several days.

  • Cruz used red/infrared light panels during surgery instead of standard blue-white LED lighting
  • Combined it with an IV of methylene blue, believed to support mitochondrial health
  • An elderly spinal-surgery patient recovered enough to walk out the next day after recovering outdoors in sunlight
  • A separate story: a patient's cataracts reportedly reversed after 20-minute daily sessions under a red light panel

It only seems crazy if you don't realize the role of biological light.

Diane Hennessy · 1:52:30
#red-light-therapy#mitochondria#biohacking
Story2:52:00

The 19-Year-Old Who Predicted Her Father's Ice Accident Weeks in Advance

Hennessy describes an ongoing case study with a 19-year-old who reportedly saw her father slip on ice and break his hip weeks before it happened (despite living in Arizona), and who now works as a psychic detective assisting police in finding missing children.

  • Young woman saw a vision of her father breaking his hip on ice, despite living in low-ice Arizona
  • The event occurred roughly six weeks later during a business trip, matching the vision
  • Hennessy time-stamps these predictions as they're reported to build a documented record
  • The same individual reportedly works with police as a psychic detective on missing-children cases

She had, you know, in her mind's eye, she saw her father getting into an accident where he slipped on ice, broke his hip.

Diane Hennessy · 2:52:00
#precognition#research#case-study

Tool· 2

Tool32:00

How Ketosis Stopped Navy Divers' Oxygen Toxicity Seizures

Danny recounts a metabolic scientist's Navy-funded study finding that inducing ketosis (via diet or exogenous ketones) eliminated oxygen-toxicity seizures in divers using rebreather tanks — a finding now being applied to epilepsy patients through ketogenic diets, with a high percentage seeing little to no seizures.

  • Navy rebreather divers were experiencing oxygen toxicity seizures underwater
  • Putting divers in ketosis, or giving them exogenous ketones, eliminated the seizures
  • The same principle is now used with strict ketogenic diets for epilepsy patients
  • Hennessy notes this connection was already known in psychiatric training decades ago

When you're in a fasted ketogenic state, you are you're sharper, you're quicker, you're faster to respond to stuff.

Danny Jones · 34:30
#ketosis#epilepsy#metabolic-health
Tool1:45:30

The Nasal Infrared Device That Reversed a Patient's Cognitive Decline

Hennessy describes recommending a commercially available nasal infrared-light device to a patient with neurodegenerative cognitive decline, delivering light near the base of the brain via the nasal cavity's porous cribriform plate — and reports it reversed some of the patient's cognitive decline.

  • Device delivers infrared light through the nose, bypassing the skull via the cribriform plate near the olfactory nerves
  • Targets the nucleus basalis of Meynert, the cholinergic nucleus most affected in Alzheimer's
  • A patient using the device (brand mentioned: Vielight) saw reversal of some cognitive decline
  • Devices of this kind run roughly $1,700-1,800 and are not covered by insurance

It did reverse some of her cognitive decline. She was extremely grateful to me for it.

Diane Hennessy · 1:47:30
#alzheimers#light-therapy#biohacking