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Event-Related Potential (ERP) evidence for fluency and disfluency effects on recognition memory.

P Andrew Leynes¹, Anagha U Kalelkar², Hafsah T Shaik³

¹The College of New Jersey, United States.

Brain and Cognition

|March 9, 2023

Summary

This summary is machine-generated.

Orthographically similar primes decrease recognition memory fluency and familiarity, unlike matching primes. This suggests careful consideration of disfluency effects in recognition studies is essential.

Keywords:

Disfluency FN400 Familiarity Fluency N400 Priming Recognition

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Area of Science:

Cognitive Psychology
Neuroscience

Background:

Masked priming is a technique used in recognition memory studies to manipulate perceptual fluency and familiarity.
Matching primes are hypothesized to enhance target word familiarity by increasing perceptual fluency.

Purpose of the Study:

To investigate the impact of orthographically similar (OS) primes on recognition memory and event-related potentials (ERPs).
To compare the effects of match primes, OS primes, and control primes on familiarity and recognition judgments.

Main Methods:

Experiment 1: Contrasted match, semantic, and OS primes with target words, recording ERPs.
Experiments 2 & 3: Replicated findings using control primes (unrelated words or symbols).
Behavioral analysis of "old" responses and ERP analysis of the 300-500 ms familiarity interval.

Main Results:

OS primes led to fewer "old" responses and more negative ERPs compared to match primes.
These results were consistent across experiments, including those with control primes.
Behavioral and ERP data suggest word primes influence target fluency and recognition.

Conclusions:

Orthographically similar primes decrease target word fluency and recognition, contrary to matching primes.
Prime word activation significantly impacts subsequent recognition judgments and familiarity.
The study highlights the importance of considering disfluency effects in recognition memory research.