Differential Effects of Noise and Music Signals on the Behavior of Children

ISSN： 0022-460X

Source： Journal of Sound and Vibration, Vol.241, Iss.1, 2001-03, pp. : 129-140

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Abstract

A theory based on the model of how the auditory–brain system perceive primary sensations is used to explain the differential effects of noise and music signals on the sleep of babies and on the performance of mental tasks by children. In a previous study by Ando and Hattori, [1], it was found that sleeping babies (2–4 months old) whose mothers had begun living in a noisy area before conception or during the first five months of pregnancy did not react to daily aircraft noise but did react to music. In another previous study by Ando et al.[2], the percentage of the pupils in “V-type relaxation” state during an adding task in a quiet living area was much greater when pupils heard music than when they heard noise. These phenomena are explained here by the difference between the temporal factors extracted from the running autocorrelation function of the noise and music signals.