Why Your Brain is Stuck: The Truth About Psychedelics and Plasticity

Psychologist Betty Eisner introduced the concept of the psychosocial matrix in the 1960s as a third factor alongside set and setting in psychedelic therapy.

"Back in the '60s, I believe it was a psychologist, Betty Eisner, brought in a third component, which she called matrix, the psychosocial matrix." (said at 0:55:15)

No published record matching the claim that psychologist Betty Eisner introduced the concept of the 'psychosocial matrix' (or matrix) as a third factor alongside set and setting in the 1960s was located; this does not prove the claim false.

Evidence for psychedelic-induced neuroplasticity is primarily based on rodent studies, with human evidence not yet clearly established.

"Well, in mice. But human evidence of neuroplasticity, it ain't really there yet. You know, we're working on it. We'll have some brain imaging markers of it quite soon. Um, but the whole story is based on work in little mice brains and not much else, to be honest." (said at 1:03:11)

No published record matching the claim that evidence for psychedelic-induced neuroplasticity is primarily based on rodent studies and not yet clearly established in humans was located; this does not prove the claim false.

Psilocybin has not worked well for Alzheimer's disease because patients cannot remember their experience or trip.

"Alzheimer's, you know, there's been a little bit of work. People can't remember their trip. They can't remember the experience, and so it hasn't worked that well so far." (said at 1:06:07)

No published record matching the claim that psilocybin has failed or proved ineffective in Alzheimer's disease because patients cannot remember their psychedelic experience was located; this does not prove the claim false. Published literature on psilocybin and other psychedelics in Alzheimer's disease remains largely exploratory, comprising preclinical studies, narrative reviews, and theoretical rationales focusing primarily on biological mechanisms (such as 5-HT2A agonism, neuroplasticity, BDNF signaling, and anti-inflammatory effects) and preliminary management of comorbid neuropsychiatric symptoms.

• context: Psychedelics as Novel Therapeutics in Alzheimer's Disease: Rationale and Potential Mechani… (Current topics in behavioral neurosciences 2022) · cited 33x in the literature

  "A number of biological mechanisms of action are under investigation to elucidate 5-HT 2A R agonists' therapeutic potential, including enhanced neuroplasticity, anti-inflammatory effects, and alterations in brain functional connectivity." (abstract, results, passage verified)

  pubmedfull study (doi)
• context: Psilocybin for the treatment of Alzheimer's disease. (Frontiers in neuroscience 2024) · cited 24x in the literature

  "Psilocybin, a psychoactive alkaloid intrinsic to hallucinogenic mushrooms, has garnered attention within the neuropsychiatric realm due to its established safety and efficacy in treating depression. Nonetheless, its potential as a therapeutic avenue for AD remains largely uncharted." (abstract, background, passage verified)

  pubmedfull study (doi)

An airline pilot attempted to crash a commercial aircraft after consuming magic mushrooms and experiencing derealization and doubts about reality.

"There was an airline pilot who tried to, you know, down the the the aircraft because he'd had a big mushroom trip recently and was doubting reality." (said at 1:12:43)

No published record matching the claim was located; this does not prove the claim false. While this describes a widely reported October 2023 aviation incident involving an off-duty airline pilot (Horizon Air Flight 2059) who reported experiencing derealization and sleep deprivation following psilocybin mushroom consumption, the incident has not been documented as a published clinical case report or scientific study in the peer-reviewed biomedical literature.

Jack Gallant's research team at UC Berkeley has used brain decoding algorithms on neuroimaging data to predict what movies individuals are watching or what audio scripts they are listening to.

"People like Jack Gallant at UC Berkeley have used that approach to predict, um, what people are viewing in terms of movie watching, um, what people are listening to in terms of audio scripts." (said at 1:17:47)

No published record matching Jack Gallant's research team at UC Berkeley using brain decoding algorithms on neuroimaging data to predict what movies individuals are watching or what audio scripts they are listening to was located; this does not prove the claim false.