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Effects on spatial skills after exposure to low frequency noise
2004 (English)In: Journal of Low Frequency Noise Vibration and Active Control, ISSN 0263-0923, Vol. 23, no 1, p. 1-6Article in journal (Refereed) Published
Abstract [en]

A study of spatial skills was conducted with 27 male and 27 female participants. The aim of the study was to examine the post-exposure effect of a complex low frequency noise (21 Hz) on a mental rotation task. It was hypothesised that reaction time and number of errors would increase after 20 minutes exposure to noise exposure compared to performance after a control condition, and that groups exposed to higher intensity noise would exhibit greater impairment. Three groups of participants were exposed to a control condition and a noise condition (either, 77, 81 or 86 dB (A)). After each exposure, subjects completed a mental rotation task where the stimulus consisted of one of three letters presented in five different rotations, showed either normally or mirrored. The participants were asked to respond as quickly and accurately as possible, affirmatively if the letter presented was not mirrored and negatively if it was mirrored. Statistical analysis revealed that the medium intensity level generated significant post-exposure effects while no effects were seen at the low or high intensity levels

Place, publisher, year, edition, pages
2004. Vol. 23, no 1, p. 1-6
National Category
Production Engineering, Human Work Science and Ergonomics
Research subject
Engineering Psychology
Identifiers
URN: urn:nbn:se:ltu:diva-4265DOI: 10.1260/0263092041456800Local ID: 230f4590-556a-11dc-8e15-000ea68e967bOAI: oai:DiVA.org:ltu-4265DiVA: diva2:977129
Note
Validerad; 2004; 20070828 (biem)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Körning-Ljungberg, Jessica
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