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Conscious contributions to subliminal priming.

Piotr Jaśkowski¹

¹Department of Cognitive Psychology, University of Finance and Management, Pawia 55, Warszawa, Poland.

Consciousness and Cognition

|November 28, 2006

Summary

Conscious awareness influences priming effects in reaction time tasks. Participants consciously used prime information for response preparation, especially with longer intervals, demonstrating conscious mediation of priming.

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Area of Science:

Cognitive Psychology
Neuroscience
Human Reaction Time Studies

Background:

Choice reaction times can be affected by preceding subliminal stimuli (primes).
Prior research shows conflicting results regarding 'straight' (faster same response) vs. 'inverse' (faster different response) priming.
Eimer and Schlaghecken (2002) linked straight priming to conscious awareness of primes due to inefficient masking.

Purpose of the Study:

To test the hypothesis that straight priming is mediated by conscious awareness.
To investigate how prime visibility and prime-target interval influence priming effects.

Main Methods:

Manipulation of prime validity and prime-target stimulus onset asynchrony (SOA).
Participants performed a choice reaction time task with visual primes and targets.
Prime visibility was manipulated by using or omitting masks, and participants were informed about prime validity.

Main Results:

Straight priming occurred at a short prime-target interval (100 ms), even with unmasked primes and knowledge of invalidity.
Inverse priming was observed at a longer prime-target interval (800 ms).
Participants consciously utilized prime information for response preparation, particularly at longer intervals.

Conclusions:

Conscious awareness plays a crucial role in mediating straight priming effects.
The temporal dynamics of prime-target presentation influence whether participants engage in proactive response preparation or reactive inhibition.
Findings support the hypothesis that conscious processing of primes is key to observing straight priming.

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