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| Titel: |
Is 1/f sound more effective than simple resting in reducing stress response? |
| Auteur: |
Oh, Eun-Joo Cho, Il-Young Park, Soon-Kwon |
| Verschenen in: |
Technology & health care |
| Paginering: | Jaargang 22 (2014) nr. 3 pagina's 419-425 |
| Jaar: |
2014-04-04 |
| Inhoud: |
BACKGROUND: It has been previously demonstrated that listening to 1/f sound effectively reduces stress. However, these findings have been inconsistent and further study on the relationship between 1/f sound and the stress response is consequently necessary. OBJECTIVE: The present study examined whether sound with 1/f properties (1/f sound) affects stress-induced electroencephalogram (EEG) changes. METHODS: Twenty-six subjects who voluntarily participated in the study were randomly assigned to the experimental or control group. Data from four participants were excluded because of EEG artifacts. A mental arithmetic task was used as a stressor. Participants in the experiment group listened to 1/f sound for 5 minutes and 33 seconds, while participants in the control group sat quietly for the same duration. EEG recordings were obtained at various points throughout the experiment. After the experiment, participants completed a questionnaire on the affective impact of the 1/f sound. RESULTS: The results indicated that the mental arithmetic task effectively induced a stress response measurable by EEG. Relative theta power at all electrode sites was significantly lower than baseline in both the control and experimental group. Relative alpha power was significantly lower, and relative beta power was significantly higher in the T3 and T4 areas. Secondly, 1/f sound and simple resting affected task-associated EEG changes in a similar manner. Finally, participants reported in the questionnaire that they experienced a positive feeling in response to the 1/f sound. CONCLUSIONS: Our results suggest that a commercialized 1/f sound product is not more effective than simple resting in alleviating the physiological stress response. |
| Uitgever: |
IOS Press |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 13 van 26 gevonden artikelen
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