Effects of noise during short-term memory task : Psychological impression of annoyance and performance

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This paper describes the effects of meaningful and meaningless external noise, at various sound pressure level values, on participants during a mental task. That is, the authors focused on the psychological impression of 'annoyance' caused by noise, and 'performance,' indicated by factors such as the percentage of correct answers and reaction time. More specifically, the authors discussed how these two items depend on the sound pressure level value of noise, and how they change under the influence of meaningful or meaningless noise. Furthermore, an investigation was made into how the above items change in the case of aural or visual task presentations. A probe digit task was used, which is a short-term memory task. Consequently, the importance of reducing meaningful external noise at the low sound pressure level values was shown.
社団法人日本音響学会の論文