Glossary

Ganzfeld experiment

A Ganzfeld experiment is a parapsychology research method designed to test possible information transfer between people under conditions of sensory reduction.

Overview

In a typical Ganzfeld experiment, one participant attempts to mentally send information while another rests in a state of reduced sensory input, often using halved ping-pong balls over the eyes and uniform sound. The receiver then reports impressions and tries to identify the correct target.

Key Insight

The Ganzfeld experiment is one of the best-known attempts to study telepathy-like effects under controlled conditions.

Scientific Status

Some meta-analyses have suggested above-chance results; critics have questioned methodology, replication, and interpretation. It remains one of the most debated paradigms in parapsychology.

How Researchers Study It

Researchers use sensory homogenisation (Ganzfeld), randomised target selection, and statistical analysis of receiver choices. Replication attempts have produced mixed results.

Quick Facts

Field
parapsychology
Related Concepts
telepathy, sensory reduction, ESP
Typical Context
laboratory psi research

Related Terms

FAQ

  • Do Ganzfeld experiments prove telepathy?

    No. Results are debated; many scientists consider the evidence inconclusive due to methodological concerns and replication issues.