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Remembering 'primed' words: The effect of prime encoding demands
Robert N Collins1, Tamara M Rosner1, Bruce Milliken1
1McMaster University.
Summary
This study investigated how demanding prime word encoding affects recognition memory. Higher encoding demands for primes led to better memory for repeated words, challenging previous findings.
Area of Science:
- Cognitive Psychology
- Memory Studies
- Neuroscience
Background:
- A novel recognition memory effect was previously reported, where non-repeated prime words led to better target word recognition.
- The influence of prime encoding demands on this counterintuitive effect was not previously understood.
Purpose of the Study:
- To examine how varying levels of prime encoding demands impact the immediate repetition recognition memory effect.
- To determine the role of prime memory in this effect.
Main Methods:
- Experiment 1: Participants ignored primes or performed a divided attention task on primes.
- Experiment 2: Participants named primes, counted vowels, or made semantic discriminations for primes.
- Experiment 3: Assessed memory for both primes and targets.
Main Results:
- Recognition memory favored non-repeated trials when prime encoding was low (Experiment 1).
- Recognition memory favored repeated trials when prime encoding was high (semantic task in Experiment 2).
- Poor memory for primes was a significant factor in the observed effects.
Conclusions:
- The immediate repetition effect is modulated by the cognitive demands placed on prime word encoding.
- Transient processing adaptations during memory encoding influence recognition memory outcomes.
- Future research should explore the neural mechanisms underlying these adaptive processing effects.