Irrelevant speech effect

Irrelevant speech effect

articleissues
citations missing = October 2008
refimprove = October 2008
expand = October 2008
tooshort = October 2008The irrelevant speech effect refers to the degradation of serial recall when speech sounds are presented, even if the list items are presented visually. The sounds need not be a language the participant understands, nor even a real language - human speech sounds are sufficient to produce this effect.

Interference hypothesis

It's possible that the visual stimuli (the list of items) is held in working memory as a phonological code. The phonological loop is comprised of the articulatory rehearsal loop and the phonological store. If that's the case, the irrelevant speech could interfere with the articulatory rehearsal process, degrading the information in the phonological store. This would result in degraded performance on trials where irrelevant speech is presented. However the effect should be greater for words rehearsed longer (ie presented earlier in the series) since they are rehearsed more often, hence having more opportunity for degradation.

References

*cite journal
author=J. Richard Hanley and Eirini Bakopoulou
date=
year=2003
month=
title=Irrelevant speech, articulatory suppression, and phonological similarity: A test of the phonological loop model and the feature model
journal=Psychonomic Bulletin & Review
volume=10
issue=2
pages=435-444
url=http://www.essex.ac.uk/psychology/psy/PEOPLE/hanley/Hanley_&_Bakopoulou.pdf
accessdate=October 8, 2008
*cite journal
author=Elliott E. M.
date=1
year=2008
month=April
title=The irrelevant-speech effect and children: Theoretical implications of developmental change
publisher=Psychonomic Society Publications
journal=Memory & Cognition
volume=30
issue=3
pages=478-487
url=http://www.ingentaconnect.com/search/download;jsessionid=n2tsxhhua0ka.alice?pub=infobike%3a%2f%2fpsocpubs%2fmrc%2f2002%2f00000030%2f00000003%2fart00015&mimetype=application%2fpdf
accessdate=October 8, 2008

External links

* [http://coglab.wadsworth.com/experiments/IrrelevantSpeech.shtml CogLab: Irrelevant Speech Effect]
* [http://www1.tu-darmstadt.de/fb/fb3/psy/ak/we_homepage/irrelspeech.html The Irrelevant Speech Effect]


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