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The effect of memory load on negative priming: an individual differences investigation
A R Conway1, S W Tuholski, R J Shisler
1University of Illinois, Department of Psychology (M/C 285), Chicago 60607, USA. aconway@uic.edu
Memory & Cognition
|December 10, 1999
Summary
Negative priming, a measure of cognitive control, requires significant mental resources. Working memory capacity influences the ability to manage irrelevant information and maintain focus.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Memory
Background:
- Negative priming reveals the cognitive processes involved in ignoring irrelevant stimuli.
- Understanding the resource demands of cognitive control is crucial for explaining individual differences in attention.
Purpose of the Study:
- To investigate the impact of verbal and nonverbal memory loads on negative priming.
- To explore the relationship between working memory capacity and the negative priming effect.
Main Methods:
- Concurrent memory and letter naming tasks were used to assess negative priming under varying memory loads.
- Participants were categorized based on working memory capacity (high vs. low).
Main Results:
- Negative priming was only significant with zero memory load, indicating high resource demand.
- High working memory capacity individuals showed reliable negative priming, unlike low capacity individuals.
Conclusions:
- Negative priming relies on domain-free cognitive resources and controlled attention.
- Individual differences in working memory capacity correlate with the efficiency of filtering irrelevant information.