Titis Wijayanto

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In this study, we investigated the effects of duration of stay in a temperate area on the thermoregulatory responses to passive heat exposure of residents from tropical areas, particularly to clarify whether they would lose their heat tolerance during passive heat exposure through residence in a temperate country, Japan. We enrolled 12 males (mean ± SE age(More)
There are several types of cold adaptation based on the alteration of thermoregulatory response. It has been thought that the temperature of repeated cold exposures during the adaptation period is one of the factors affecting the type of cold adaptation developed. This study tested the hypothesis that repeated mild cold immersions would induce an insulative(More)
It is well known that women are physiologically and psychologically influenced by the menstrual cycle. In addition, the presence of background noise may affect task performance. So far, it has proven difficult to describe how the menstrual cycle and background noise affect task performance; some researchers have found an increment of performance during(More)
This study investigated the effects of passive heat exposure on pre-frontal cortex oxygenation and cognitive functioning, specifically to examine whether the change in pre-frontal cortex oxygenation coincided with cognitive functioning during heat exposure. Eleven male students who participated in this study immersed their lower legs to the knees in three(More)
This study investigated the effect of hydration differences on body fluid and temperature regulation between tropical and temperate indigenes exercising in the heat. Ten Japanese and ten Malaysian males with matched physical characteristics (height, body weight, and peak oxygen consumption) participated in this study. Participants performed exercise for 60(More)
Investigation of driver's physical fitness is an important research topic in accident prevention and intelligent driver monitoring system. Visual attention is one of physical fitness indicators that can be measured quantitatively. Driving simulator can be used to support observation of visual attention and behavior of the driver. On the other side,(More)
BACKGROUND Heat acclimatization studies have reported that tropical natives have better physiological function to tolerate heat exposure compared to those from temperate natives, in which may result in a better ability to show a better resistance to performance losses during heat stress. In this study, we investigate whether the degree of heat(More)
Studies involving simulator are often used to support scientific research, such as research on post-traumatic stress disorder (PTSD) and fear of flying. However, the use of driving simulator may produce biomedical side effect, namely cybersickness. Although the research of simulator sickness has been done before, there is no study that focuses on how(More)
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