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Medical Science Monitor Basic Research


eISSN: 1643-3750

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Effects of pellet stove on recovery from mental fatigue

Masaaki Tanaka, Hiromi Yamada, Takayuki Nakamura, Yasuyoshi Watanabe

Med Sci Monit 2012; 18(3): CR148-153

DOI: 10.12659/MSM.882519

Background:    Exposure to a warm environment has been reported to be effective for recovery from mental fatigue. However, there have been no reports examining the effects of a pellet stove on recovery from mental fatigue. The purpose of this study was to examine the effects of a pellet stove on recovery from mental fatigue.
    Material/Methods:    In this placebo-controlled, crossover experiment, 16 healthy volunteers were randomized into the pellet stove and control groups. After a 30-min fatigue-inducing mental task session, participants moved to a recovery room with (pellet stove condition) or without (control condition) a pellet stove to see the image of a pellet stove for 30 min.
    Results:    After the recovery session, the participants exposed to the pellet stove condition showed lower total error counts of a cognitive test, higher levels of subjective healing, comfort, and warmth, and sympathetic nerve activity and higher parasympathetic nerve activity as compared with the control condition.
    Conclusions:    These results provide evidence that improved cognitive function, subjective mental states, and balance of the autonomic nervous activities result from using a pellet stove during the recovery session. Hence, the pellet stove was effective for the recovery from mental fatigue.

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