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Related Experiment Video

Updated: Jul 9, 2026

Investigating the Effects of Antipsychotics and Schizotypy on the N400 Using Event-Related Potentials and Semantic Categorization

Investigating the Effects of Antipsychotics and Schizotypy on the N400 Using Event-Related Potentials and Semantic Categorization

Published on: November 19, 2014

Using neuroimaging to resolve the psi debate.

Samuel T Moulton¹, Stephen M Kosslyn

¹Harvard University, USA. moulton@wjh.harvard.edu

Journal of Cognitive Neuroscience

|December 22, 2007

Summary

This summary is machine-generated.

This study found no evidence for paranormal mental phenomena (psi) using fMRI brain scans. Even under optimized conditions, brain activity for psi stimuli was indistinguishable from non-psi stimuli.

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Area of Science:

Neuroscience
Psychology
Parapsychology

Background:

Parapsychology scientifically investigates paranormal mental phenomena (psi), like telepathy, clairvoyance, and precognition.
Despite public belief and decades of research, compelling evidence for psi remains elusive.
Previous studies relied on indirect behavioral measures, lacking direct brain assessment.

Purpose of the Study:

To investigate the existence of psi phenomena using direct brain imaging.
To enhance sensitivity by employing functional magnetic resonance imaging (fMRI).
To maximize potential psi detection by using related participants and emotional stimuli.

Main Methods:

Utilized fMRI to directly measure brain activity during purported psi tasks.
Designed experiments to detect telepathy, clairvoyance, or precognition.
Included biologically or emotionally related participants and emotional stimuli to optimize conditions.

Main Results:

No distinguishable neuronal responses were observed between psi and non-psi stimuli.
Brain activation patterns reflected stimulus arousal, not psi effects.
fMRI data showed no evidence supporting the existence of psi phenomena.

Conclusions:

The study provides the strongest evidence to date against the existence of paranormal mental phenomena.
Direct brain imaging (fMRI) did not detect any neural correlates of psi.
Findings challenge the scientific basis of parapsychology and psi claims.