Mario P. Varvoglis, PhD Sources:
Consciousness, Intentionality, and Mind–Matter Interaction
Mario Varvoglis has spent more than four decades investigating whether conscious intention can measurably influence physical systems, from random number generators to precognition platforms, developing both experimental protocols and theoretical frameworks that place intentionality at the center of psi research. His work, begun under Charles Honorton at the Psychophysical Research Laboratories in the 1980s and continued at the Institut Métapsychique International (IMI) in Paris, treats mind–matter interaction not as an anomalous curiosity but as a window into the nature of consciousness itself. A recurring challenge in this literature is that effect sizes are typically small, making individual studies vulnerable to Type II error; the cumulative pattern across paradigms is therefore more informative than any single experiment.
Deeper dives — Varvoglis:
Key findings
- Varvoglis and McCarthy’s 1986 RNG study found that statistically significant deviations from chance emerged only when participants engaged purposive, goal-directed attention rather than passive observation — supporting models that treat intentionality as a causal contributor to mind-matter interaction rather than an incidental concomitant of consciousness.[1]
- The PRL autoganzfeld programme’s 34% hit rate (358 sessions, 243 participants, against 25% chance) emerged when receivers entered a ganzfeld (sensory-attenuated) state with sender-receiver shared attentional focus — consistent with consciousness-based models in which mind-matter information transfer correlates with attentional alignment rather than with any physical signaling channel between sender and receiver.[2]
- Varvoglis’s 1986 theoretical review evaluated conformance-behavior and observational theories of PK, arguing that goal-directedness and observer dependence are both necessary components of any adequate model of mind–matter interaction.[3]
- The Selfield protocol, developed at IMI, introduced a structured forced-choice precognition design with pre-specified cohort selection and session-variance hypotheses, finding a significant variance anomaly in tryout data (p = .00003) though not in the formal preregistered study.[4]
- Varvoglis has argued that psi phenomena, if genuine, require a reconceptualization of the boundaries of the self, moving beyond neuron-bound models of mind toward frameworks that accommodate nonlocal mind–matter coupling.[5]
Overview
Varvoglis entered parapsychology research in the mid-1970s at the Maimonides Medical Center Dream Laboratory, where early work on telepathic dreaming introduced him to the methodological challenges of studying anomalous cognition under controlled conditions.[6] His subsequent move to the Psychophysical Research Laboratories under Charles Honorton marked a decisive shift toward laboratory micro-PK research, where the question of intentionality, how the quality and direction of conscious attention might modulate psi effects, became his central theoretical preoccupation.[7] His 1983 Adelphi University dissertation, titled Psychokinesis, Intentionality and the Attentional Object: Specificity and Generality in Mind–Matter Interactions, laid out the conceptual architecture that would guide his experimental programme for the following decades.[7]
Dissertation Framework: Intentionality as the Central Variable
Varvoglis’s 1983 dissertation at Adelphi University examined whether the specificity of conscious intention, the degree to which a participant’s attention is directed toward a well-defined attentional object, predicts the magnitude and direction of PK effects on RNG output. The theoretical argument drew on phenomenological accounts of intentionality (the directedness of consciousness toward objects) and proposed that psi effects are not random noise but structured responses to the intentional state of the agent. The dissertation was completed under the supervision of researchers at PRL, where Varvoglis was simultaneously conducting empirical micro-PK work.[7]
Conscious-Purposive Focus and the Intentionality Construct
The 1986 paper by Varvoglis and McCarthy operationalized the intentionality hypothesis by comparing RNG behavior across conditions that varied the degree of conscious, purposive engagement with the task.[1] The core claim was that psi effects are not produced by passive wishing but by an active, goal-directed attentional stance, a distinction with both theoretical and methodological implications for how micro-PK experiments should be designed.
The researcher’s preferred theoretical interpretation was that intentional, goal-directed focus is a necessary (though not sufficient) condition for micro-PK effects; alternative interpretations, including experimenter expectancy effects and demand characteristics, were not formally ruled out. A related 1983 pilot study by Schechter, Barker, and Varvoglis examined whether distraction from the psi task, introducing a competing attentional demand, would suppress PK performance on an RNG game, providing a complementary test of the intentionality model.[8]
Varvoglis later examined whether the intentionality effects observed in controlled laboratory conditions would generalize to naturalistic, motivated participants by conducting a non-laboratory field study in 1988, deploying a computer-RNG task in a “psychic contest” setting outside the standard lab environment.[9] He extended the conscious-purposive framework theoretically through his 1996 MIT Press contribution (see Theoretical Frameworks below) and operationally through the Sharefield and Selfield protocol designs (see Selfield: Intentionality Theory in Operational Form below).
Autoganzfeld and Intentional Communication
Varvoglis was a co-investigator on the PRL autoganzfeld programme led by Charles Honorton, one of the most methodologically rigorous series in the history of experimental parapsychology. The autoganzfeld system addressed the problem of sensory leakage between sender and receiver by physically separating the two participants in different rooms, using computer-controlled target selection and presentation, and automating the blind judging procedure to eliminate experimenter cueing during target ranking.[2]
Autoganzfeld Programme, Methodology and Results
The PRL autoganzfeld series (Honorton, Berger, Varvoglis et al. 1990) enrolled 243 volunteer participants (102 men, 141 women, age range 17–74, mean age 37.2) across 358 sessions in 11 experimental series. Target stimuli were dynamic video clips and static images presented via computer-controlled VCR; the system automated target selection, presentation, blind judging, feedback, and data recording. The overall hit rate was 34% against a 25% mean-chance expectation, yielding p < .001 (highly significant; exact figures vary slightly across Honorton 1990 vs Bem & Honorton 1994 reporting).[10] To address the file-drawer problem (publication bias / selective reporting), the database included every session completed since the system’s inauguration in 1983, including pilot and ongoing studies. Sensory leakage via direct sender–receiver contact was eliminated by physical room separation and computer-controlled target loading; however, the possibility of sender–experimenter interaction during target loading was not fully addressed.[2] Secondary hypotheses, that dynamic targets would outperform static targets, and that acquainted sender–receiver pairs would outperform unacquainted pairs, were prespecified; remaining analyses were explicitly labeled exploratory.
The autoganzfeld work also examined individual-difference moderators of psi performance, including first-timer versus experienced participant status, and the role of target preference (the “liking effect”) in predicting hit rates, findings that connected the ganzfeld paradigm to the broader intentionality and motivation framework Varvoglis was developing theoretically.[11]
First-Timers Study and the Liking Effect
Honorton, Barker, Varvoglis, Berger, and Schechter (1986) examined initial ganzfeld performance in two “First-Timers” series (FT1 and FT2), each targeting 50 novice participants for a single session. FT1 results were nonsignificant on both direct-hit (p = .38) and sum-of-ranks (p = .26) indices. FT2, with 23 of 50 sessions completed at time of reporting, showed both indices approaching significance (p[direct hits] = .04, p[sum of ranks] = .046). A Mann-Whitney U test found that participants who ranked their target 1 or 2 (hitters) liked their targets significantly more than those who ranked them 3 or 4 (missers): X̄ = 1.73 vs. 2.60, Z = 1.80, U = 42.5, p < .036, one-tailed. This “liking effect” had appeared in six prior studies at PRL, making it one of the most consistent findings in the programme. The effect is consistent with the intentionality model, positive affective engagement with the target may function as a form of motivated attentional focus, but demand characteristics (participants knowing which target they preferred before judging) were not formally ruled out.[11]
Theoretical Frameworks: Self, Boundaries, and Nonlocality
Alongside his experimental work, Varvoglis has developed theoretical accounts of how psi phenomena might be situated within broader frameworks of consciousness and selfhood. His 1996 contribution to an MIT Press volume argued that psi, if genuine, implies a form of nonlocality operating at the scale of human experience, not merely at the quantum level, and that this has implications for how the boundaries of the self are conceptualized in both psychology and philosophy of mind.[12]
Nonlocality on a Human Scale, Theoretical Argument
Varvoglis (1996) argued in a chapter for an MIT Press volume that the experimental evidence for psi, particularly from ganzfeld and RNG paradigms, is most coherently interpreted as evidence for nonlocal mind–matter coupling that operates at macroscopic, human-experiential scales, not merely at the subatomic level invoked by some quantum-consciousness theories. The chapter positioned parapsychology as an epistemological transformer: if the data are real, they require revision of the assumption that consciousness is entirely contained within the individual nervous system. The researcher’s preferred interpretation was that psi phenomena point toward a “mind-at-large” or extended-self model; alternative interpretations, including that the experimental effects reflect undetected methodological artifacts, were acknowledged but not resolved.[12]
Varvoglis extended this framework in a 2013 book chapter that explicitly posed the question of whether the self is bounded by neurons, particles, or something more expansive, using psi research as empirical leverage on longstanding philosophical debates about the nature of mind.[5] His 2008 Spanish-language chapter similarly framed parapsychology as an epistemological transformer, a body of evidence that, if taken seriously, demands revision of foundational assumptions in cognitive science and philosophy.
Soul, Neurons, Particles, or Mind-at-Large, 2013 Framework
In a 2013 chapter in an interdisciplinary consciousness volume, Varvoglis surveyed the experimental psi literature to argue that the accumulated evidence, particularly from ganzfeld, remote viewing, and micro-PK paradigms, is inconsistent with a strictly neuron-bound model of mind. He proposed that the most parsimonious interpretation of the data requires positing some form of extended or nonlocal mind, while acknowledging that no consensus mechanism has emerged. The chapter explicitly distinguished between the data (experimental effect sizes and replication rates) and the mechanism (the proposed nonlocal coupling), treating these as separable claims. No consensus interpretation has emerged in the field regarding the mechanism.[5]
His 1986 theoretical review of conformance-behavior and observational theories of PK evaluated competing formal models of how goal-directedness and observer dependence might be incorporated into a unified account of mind–matter interaction, concluding that neither model alone was sufficient.[3]
Conformance-Behavior and Observational Theories, Theoretical Evaluation
Varvoglis (1986) reviewed two formal theoretical frameworks for PK: the conformance-behavior model (which treats PK as a tendency of physical systems to conform to the goals of an observer) and observational theories (which invoke quantum-mechanical observer effects to explain PK). He argued that goal-directedness, the intentional structure of the agent’s mental state, is a necessary component that conformance-behavior models capture but observational theories underspecify. Conversely, observer-dependence, the role of the experimenter’s own expectations and intentions, is better handled by observational theories. The review concluded that an adequate model of mind–matter interaction must incorporate both dimensions. No empirical test was reported in this theoretical paper; the argument rested on logical analysis of existing experimental findings.[3]
Selfield: Intentionality Theory in Operational Form
From 2013 onward, Varvoglis and collaborators at IMI developed two novel forced-choice paradigms, the Sharefield (for GESP) and the Selfield (for precognition), designed to optimize participant selection, session structure, and hypothesis specification in ways that address longstanding replication problems in forced-choice psi research.[14][15] Where the 1986 study manipulated cognitive stance through experimental conditions, the Sharefield and Selfield designs incorporate stance into the protocol itself, through who participates (selection on meditation experience or other attitudinal variables) and how sessions are structured (feedback timing, motivational framing).
The 2025 Psi@Home study is the first preregistered test of the Selfield platform at scale, comparing experienced meditators against a general-interest cohort across 160 sessions with 47 participants.[4] Three hypotheses were preregistered: (H1) increased variance of session hit rates relative to mean chance expectation (MCE), confirmatory; (H2) increased total hit rate relative to MCE, exploratory; (H3) higher session-hit-rate variance in the meditator cohort than the comparison cohort, exploratory. Of the three, only H3 was confirmed (p = .03). However, 90 tryout sessions collected from the same participants using the same protocol prior to the formal study showed a markedly stronger variance anomaly (p = .00003). The tryout data collection was specified in the preregistration document, making it a prespecified secondary dataset rather than post-hoc data mining.
The authors propose that differences in participant psychological attitudes, specifically, the more relaxed, exploratory stance during tryout versus the more effortful, performance-oriented stance during the formal study, may account for the discrepancy, consistent with the intentionality model’s prediction that the cognitive stance during a psi task is a critical moderator of the effect.
References
- Varvoglis, M. P., & McCarthy, D. (1986). Conscious-purposive focus and PK: RNG activity in relation to awareness, task-orientation, and feedback. Journal of the American Society for Psychical Research, 80, 1–29. R001 [Varvoglis 1986a] ↩︎
- Varvoglis, M. P. (1986). Goal-directed and observer-dependent PK: An evaluation of the conformance-behavior model and observational theories. Journal of the American Society for Psychical Research, 80, 137–162. R003 [Varvoglis 1986b] ↩︎
- Bancel, P. A., Varvoglis, M., Boban, J., & Bensahra, A. (2025). A Forced-choice Precognition Experiment with Selected Cohorts. Journal of Anomalous Experience and Cognition, 5(1), 14–46. https://journals.lub.lu.se/jaex/article/view/26394 R004 [Bancel 2025] ↩︎
- Varvoglis, M. (2013). Soul, Neurons, Particles or Mind-at-Large? Exploring the Boundaries of the Self. Interdisciplinary Perspectives on Consciousness and the Self, 225–242. https://doi.org/10.1007/978-81-322-1587-5_17 R005 [Varvoglis 2013] ↩︎
- Varvoglis, M. (2024). Friederike Schriever — A personal memoir. Zeitschrift für Anomalistik / Journal of Anomalistics, 24(1), 265-267. [DOI] R006 [Varvoglis 2024] ↩︎
- Varvoglis, M. (1983). Psychokinesis, intentionality and the attentional object: specificity and generality in mind-matter interactions. U.M.I. (University Microfilms International) Dissertation Information Service. R007 [Varvoglis 1983] ↩︎
- Schechter, E. I., Barker, P., & Varvoglis, M. P. (1983). A preliminary study with a PK game involving distraction from the psi task. In W. G. Roll, J. Beloff, & R. A. White (Eds.), Research in Parapsychology 1982. Scarecrow Press. R008 [Schechter 1983] ↩︎
- Varvoglis, M. P. (1988). A “psychic contest” using a computer-RNG task in a non-laboratory setting. Parapsychological Association. R009 [Varvoglis 1988] ↩︎
- Honorton, C., Berger, R. E., Varvoglis, M. P., Quant, M., Derr, P., Schechter, E. I., & Ferrari, D. C. (1990). Psi communication in the ganzfeld: Experiments with an automated testing system and a comparison with a meta-analysis of earlier studies. Journal of Parapsychology, 54, 99-139. R010 [Honorton 1990] ↩︎
- Honorton, C., Barker, P., Varvoglis, M. P., Berger, R. E., & Schechter, E. I. (1986). First timers: An exploration of factors affecting initial psi ganzfeld performance. In D. H. Weiner & D. I. Radin (Eds.), Research in Parapsychology 1985 (pp. 28-30). Scarecrow Press. R011 [Honorton 1986] ↩︎
- Varvoglis, M. (1996). Nonlocality on a Human Scale: Psi and Consciousness Research. The MIT Press, 566–572. https://doi.org/10.7551/mitpress/6860.003.0051 R012 [Varvoglis 1996] ↩︎
- Varvoglis, M., Bancel, P. A., Si Ahmed, D., Bailly, J. P., & Béguian, C. (2013). The sharefield: A novel approach for forced-choice GESP research. Journal of Parapsychology, 77, 181–183. R014 [Varvoglis 2013] ↩︎
- Varvoglis, M., Bancel, P. A., Bailly, J., Boban, J., et al. (2019). The Selfield: Optimizing Precognition Research. Journal of Parapsychology, 83(1), 13–24. https://doi.org/10.30891/jopar.2019.01.02 R015 [Varvoglis 2019] ↩︎
Deeper dives — Varvoglis: