Abstract

Masked priming is used in recognition memory studies to alter fluency and create familiarity. Primes are flashed briefly before target words that are considered for a recognition judgment. Matching primes are hypothesized to produce greater familiarity by increasing the perceptual fluency of the target word. Experiment 1 tested this claim by contrasting match primes (i.e., “RIGHT” primes “RIGHT”), semantic primes (e.g., “LEFT” primes “RIGHT”), and orthographically similar (OS) primes (e.g., “SIGHT” primes “RIGHT”) while recording event-related potentials (ERPs). Relative to match primes, OS primes elicited fewer “old” responses and more negative ERPs during the interval associated with familiarity (300–500 ms). This result was replicated when control primes consisting of unrelated words (Experiment 2) or symbols (Experiment 3) were inserted into the sequence. The behavioral and ERP evidence suggest that word primes are perceived as a unit and the prime word activation will affect target fluency and recognition judgments. When the prime matches the target, fluency is increased and more familiarity experiences are created. When the primes are words that do not match the target, fluency is decreased (disfluency) and fewer familiarity experiences result. This evidence suggests that the effects of disfluency on recognition should be carefully considered.

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