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Directly assessing the relationship between irrelevant speech and articulatory suppression
Ian Neath1, Lisa A Farley, Aimée M Surprenant
1Purdue University, West Lafayette, Indiana 47907-2004, USA. neath@psych.purdue.edu
Summary
Articulatory suppression and irrelevant speech disrupt immediate memory differently, but a significant correlation in their effects suggests a relationship. This indicates they vary in how much they cause reliance on phonological cues.
Area of Science:
- Cognitive Psychology
- Human Memory Research
- Auditory Perception
Background:
- Articulatory suppression and irrelevant speech are known to disrupt immediate memory performance.
- Previous research (Larsen & Baddeley, 2003) suggested these two factors cause different types of disruption based on the phonological similarity effect.
Purpose of the Study:
- To investigate the similarity or difference between articulatory suppression and irrelevant speech in disrupting immediate memory.
- To determine if the disruption caused by these two factors is related.
Main Methods:
- Experimental assessment of immediate memory tasks.
- Correlation analysis of the disruption caused by articulatory suppression and irrelevant speech.
Main Results:
- A significant positive correlation was found between the disruption caused by articulatory suppression and irrelevant speech.
- This indicates an underlying relationship between the two phenomena.
Conclusions:
- Articulatory suppression and irrelevant speech are not entirely different in their effects on immediate memory.
- The degree of disruption likely depends on how much each factor causes individuals to abandon reliance on phonological/acoustic cues.