Enhancing free choice masked priming via switch trials during repeated practice

Area of Science:

• Cognitive Psychology
• Neuroscience
• Perception

Background:

• The masked priming paradigm investigates unconscious stimulus effects on conscious behavior.
• Priming effects on free choices are gaining research interest.
• The impact of practice on free choice masked priming remains unclear.

Purpose of the Study:

• To investigate if repeated practice enhances masked priming effects in free choices.
• To determine how trial proportions (free vs. forced choice) affect this practice-induced enhancement.
• To explore the underlying mechanisms of practice-related learning in masked priming.

Main Methods:

• Utilized a masked priming paradigm with repeated practice.
• Manipulated the proportion of free choice and forced choice trials during training.
• Assessed changes in susceptibility to masked primes after practice.

Main Results:

• Practice significantly increased the influence of masked primes on free choices.
• Practice did not affect the objective visibility of masked stimuli.
• The strongest enhancement occurred when free and forced choice trials were balanced during training.

Conclusions:

• Repeated practice can enhance the processing of masked stimuli in free-choice tasks.
• Learning effects appear to stem from improved early selection and integrated processing.
• Optimizing trial proportions during training maximizes practice benefits in masked priming.