The Scientist Who Proved Telepathy Was Real. Then Vanished.

On December 8, 1994 — four days before his 48th birthday — Jacobo Grinberg-Zylberbaum vanished from his home in Mexico City. Investigators found that his computers, research files, and personal papers had been removed from his properties. The lead investigator on the case was subsequently expelled from the police force. Thirty-two years later, the case remains officially unsolved.

What Grinberg had been doing before he disappeared is what makes the disappearance matter.

The UNAM neurophysiologist

Jacobo Grinberg-Zylberbaum held a PhD in neurophysiology from the Universidad Nacional Autónoma de México (UNAM) and a postdoctoral position at New York University. In 1987 he founded the Instituto Nacional para el Estudio de la Conciencia — the National Institute for the Study of Consciousness — one of the first institutional research programs on consciousness to operate in Latin America.

Across two decades he published dozens of peer-reviewed papers, authored more than 50 books, and ran experimental protocols that most Western neuroscience departments refused to touch.

The transferred potentials experiments

Grinberg's most controversial work involved paired subjects — two meditators placed in separate electromagnetically shielded Faraday chambers, each hooked up to an EEG. They never saw each other during the experiment. They were given a period to "connect" beforehand, then placed in isolation.

Then one subject was shown a random visual stimulus. The stimulus triggered a predictable EEG pattern in their brain.

The paired subject — in a shielded chamber with no physical connection, no auditory cue, no visual signal — showed a correlated EEG response at statistically significant levels. In the published results, the correlation reached p < 0.005 — below the threshold mainstream science uses to call a result real.

The paper, "The Einstein-Podolsky-Rosen Paradox in the Brain: The Transferred Potential," appeared in Physics Essays in 1994, co-authored with the quantum physicist Amit Goswami. It proposed that consciousness connects through a non-local field Grinberg called "the Lattice."

Replications

The experiments were attempted elsewhere. The most rigorous replication came from Leanna Standish at Bastyr University in 2004, published in Alternative Therapies in Health and Medicine. Using fMRI rather than EEG, her team documented correlated brain activity between physically isolated paired subjects at statistically significant levels.

A 2005 meta-analysis by Dean Radin reviewed 25 similar studies. The combined effect size was modest but consistent — not the signature of a methodological artifact.

The experiments are not conclusive. They are also not easily dismissed.

Pachita

Beyond his laboratory work, Grinberg spent years documenting traditional Mexican healers. His most famous subject was Pachita — a Mexico City curandera who reportedly performed surgical procedures using hunting knives, without anesthesia or sterilization, on patients who left functional.

Grinberg filmed, photographed, and took physiological measurements during hundreds of Pachita's procedures. He published Pachita in 1990 — a straightforward clinical documentation of what he observed, written by a PhD neurophysiologist, containing photographic evidence that mainstream Mexican medical journals declined to engage with.

His thesis was not that Pachita was performing "real" surgery by Western standards. His thesis was that the outcomes of her procedures — measurable, sometimes-verifiable patient improvements — were inconsistent with the Western explanation that placebo alone can account for them.

The CIA connection

Parts of Grinberg's research appear in declassified CIA documents related to Project Stargate. His transferred-potential work was cited in internal reviews of the psi-research literature. He was aware of Stargate and referenced the program in his own writing.

The relationship between Grinberg and U.S. intelligence has never been clarified. What is clear from the declassified record: his work was known, read, and filed by American agencies studying non-local consciousness.

The disappearance

December 8, 1994. Grinberg left his home in Tepoztlán, Morelos, south of Mexico City, and was never seen again.

• His computers were removed from the property.
• His ongoing research materials were removed.
• His wife, Teresa Goldsmith Fincher, was named as a suspect by the police.
• The lead investigator who challenged her account was later expelled from the force.
• No body has ever been found. No remains. No credible sighting.

Mexican journalist Diego Enrique Osorno covered the case extensively. His reporting documents multiple theories — personal, professional, political — none of which can be verified, and none of which have led to resolution.

What we can and can't say

We can say: Grinberg published peer-reviewed experiments showing correlated EEG between isolated subjects at statistically significant levels. That's a fact. The papers exist. The data is public.

We can say: one of the most replication-worthy attempts, by Leanna Standish at Bastyr, produced consistent results using fMRI.

We can say: Grinberg vanished, his research materials vanished with him, and the case was investigated in ways that raised more questions than they answered.

We can't say: that he was killed because of his research. We can't say: that the research proved consciousness is non-local. We can't say: what the CIA knew, or wanted, or did.

We can say — and this is where the evidence actually takes us — that the official narrative around the disappearance has never explained the removal of research materials, the treatment of investigators, or the 32-year absence of a body.

Something happened. Someone wanted his work gone. That's not a conspiracy theory. That's the documented record.

Why this matters

Grinberg's work, if taken seriously, has implications beyond one man's tragedy. It proposes that consciousness operates as a field — non-local, shared, measurable under specific conditions. If that's true, it reframes almost every major question in neuroscience.

That's not a conclusion. That's a direction the evidence points.

And that direction is exactly what a program like Stargate was designed to explore.

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Sources

• Grinberg-Zylberbaum, J., Delaflor, M., Attie, L., Goswami, A. (1994). The Einstein-Podolsky-Rosen Paradox in the Brain: The Transferred Potential. Physics Essays 7(4).
• Standish, L. J., et al. (2004). Evidence of correlated functional magnetic resonance imaging signals between distant human brains. Alternative Therapies in Health and Medicine 10(4).
• Radin, D. (2005). Meta-analysis of distant-intention studies. Explore 1(6).
• Grinberg-Zylberbaum, J. (1990). Pachita. Editorial Heinrich Böll.
• CIA Reading Room: declassified documents on non-local consciousness research
• Osorno, D. E. Investigative reporting on the Grinberg case (various Mexican outlets, 2010s–2020s)