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Abstract

An experimental study with 24 male subjects between 21 and 30 years (X= 25, SD= 2.4) was conducted. The objective was to investigate post-exposure effects in attention performance after exposure to noise, a whole-body vibration, both factors combined and a control condition. Another aim was to explore if participants would have more degraded performance after exposure to the combined condition compared to just one single stimuli. Both the noise (78 dB(A)) and vibration stimuli (1.1 m/s² r.m.s) was similar to those that are typically for a forest machine. Results showed no combined effects but an after-effect was detected generated by the vibration exposure. The participants had performed significantly poorer in the attention task after exposure to vibration exposure compared to no exposure at all. While not reaching a statistically significant level, even the performance in the other experimental conditions was poorer than in the control condition.

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Attention Performance after Exposure to Combined Noise and Whole-Body Vibration

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