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The Interaction between Working Memory Capacity and Noise on Recall and Recognition of Orally Presented Text
Högskolan i Gävle, Institutionen för pedagogik, didaktik och psykologi.
2007 (Engelska)Självständigt arbete på avancerad nivå (magisterexamen), 15 poäng / 22,5 hpStudentuppsats
Abstract [en]

The objectives of the present study were 1) to examine the effects of noise exposure on recall and recognition of orally presented text and 2) to examine the relation between working memory capacity and the performance of recall and recognition of orally presented text in noisy conditions. A total of 32 subjects, age 20-33, with no known hearing impairment, were paid to participate in the experiment. The hearing ability of all subjects was tested using recorded sentences with and without background noise. Their working memory capacity was tested using listening span, reading span and operation span tests measuring a) correctly recalled words of all three tests, b) the response latency in the reading span test and c) the processing time of the arithmetical operations in the operation span test. Finally all subjects took recall and recognition tests on texts presented orally with and without broadband background noise (white noise). The test results showed that 1) noise had no significant main effect on recall or recognition of the spoken texts, 2) ) the capacity of the central executive component of working memory, measured as the processing time of the arithmetical operations of the operation span test, correlated significantly with recall and recognition of the orally presented text in the noise condition, but not in the control condition, 3) noise exposure had a negative effect on the recognition performance of subjects with lower capacity of the central executive component of working memory.

Ort, förlag, år, upplaga, sidor
2007. , s. 41
Nyckelord [en]
Noise, speech, working memory capacity, working memory span tests, recall, recognition
Nationell ämneskategori
Psykologi (exklusive tillämpad psykologi)
Identifikatorer
URN: urn:nbn:se:hig:diva-240Arkivnummer: H07:008OAI: oai:DiVA.org:hig-240DiVA, id: diva2:119789
Uppsök
samhälle/juridik
Handledare
Examinatorer
Tillgänglig från: 2007-12-18 Skapad: 2007-12-18

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Institutionen för pedagogik, didaktik och psykologi
Psykologi (exklusive tillämpad psykologi)

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