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Related Experiment Video

Updated: Jun 4, 2026

Post-Movie Subliminal Measurement (PMSM), for Investigating Implicit Social Bias

Post-Movie Subliminal Measurement (PMSM), for Investigating Implicit Social Bias

Published on: February 29, 2020

Subliminal priming with nearly perfect performance in the prime-classification task.

Matthew Finkbeiner¹

¹Macquarie Centre for Cognitive Science, Macquarie University, Sydney, NSW 2109, Australia. matthew.finkbeiner@mq.edu.au

Attention, Perception & Psychophysics

|February 1, 2011

Summary

Subliminal perception is real, even when task difficulty is controlled. This study used color identification to ensure task difficulty was matched, confirming subliminal priming effects persist.

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Area of Science:

Cognitive Psychology
Neuroscience

Background:

Subliminal priming is a key paradigm in cognitive science.
Skepticism exists regarding subliminal perception claims.
Pratte and Rouder (2009) questioned previous findings due to task difficulty control issues.

Discussion:

This study addressed task difficulty concerns by presenting primes in color.
Priming effects were observed in the main experiment.
Prime-classification task accuracy (color identification) was high, indicating task difficulty control.

Key Insights:

Subjects accurately identified prime colors but not the primes themselves.
Controlled task difficulty did not eliminate subliminal priming.
Subliminal perception is robust even under stringent experimental conditions.

Outlook:

Further research should explore the neural mechanisms of subliminal perception.
Investigate the boundary conditions and applications of subliminal priming.
Refine methodologies for assessing subliminal perception and task difficulty.