Purpose – The pressure exerted on the body by clothes is one important factor affecting the comfort of clothing, it is an effective method to evaluate pressure comfort by physiology and psychology. The purpose of this paper is to measure, electroencephalography (EEG), an index of brain activity in order to examine the effect on brain activity conditions caused by oppression exerted by clothing on the body. Design/methodology/approach – EEG power spectrum analysis was conduct to verify the electrophysiological characteristic of brain caused by pressure on the body by girdle. Findings – Experimental results showed that the intensity of α waves in the pressure condition is decreased compared to the non-pressure condition, and the somatosensory activated by pressure of girdle mainly in occipital, frontal and parietal region of brain. Originality/value – It was clarified that it is impossible to evaluate the clothes pressure by physiological technique of EEG, this study has enriched methods of evaluation pressure comfort.
Purpose Since it has been regarded as an effective method to evaluate clothing pressure comfort with physiological and psychological techniques the purpose of this paper is to examine the effect on people s inhibition ability caused by the oppression from clothing on the body through event-related potentials (ERPs). A trial application of ERPs technology was made to evaluate clothing pressure comfort and investigate the relationship between some physical indexes of brain wave and clothing pressure. This research would also reveal the influence of clothing pressure on the thinking ability and mental activity of young women. Design/methodology/approach Stroop color-naming task was utilized to test the inhibition ability of participants. In the present research, some components of ERPs (e.g. N1, P2, N2 and N450) and behavioral indexes (RTs, and errors rates) were detected to verify the change of physiology and psychology caused by the pressure imposed by girdle on the body. Findings At behavioral level RTs were slower for the group under pressure rather than pressure-free group with no significant difference in errors rate between the two groups. Based on the early component statistics of ERPs the Stroop effects of both groups were similar. Besides there was no prominent difference in the latencies and amplitudes of N1, P2 and N2 components except the N450 components. The inhibition ability of young women who had worn girdle for 8 hours decreased causing them unable to make a timely response and thus affecting their attentiveness and executive ability. Originality/value This study would clarify that it is feasible to evaluate clothing pressure comfort with ERPs as a physiological technique, and enrich relative methods.
Background: The study was aimed to investigate the potential therapeutic effect of Mori folium aqueous extracts (MFAE) on type 2 diabetes mellitus (T2DM) in vivo. Methods and Results: A rat model of T2DM was established with the combination of high sugar and high fat diet (HSFD) and streptozotocin (STZ). The T2DM rats were administrated with low (2 g kg-1) and high (5 g kg-1) dose of MFAE for 60 consecutive days. The biochemical indices of glucose metabolism disorders, insulin resistance and oxidative stress were observed. The results indicated that MFAE significantly promoted the synthesis of hepatic glycogen, reduced the levels of fasting blood glucose and fasting blood insulin, and improved the insulin sensitivity index. MFAE administration also remarkably increased the levels of superoxide dismutase (SOD) and reduced the levels of malondialdehyde (MDA). Conclusion: MFAE showed a therapeutic effect on T2DM with the bioative effect of improve glucose metabolism disorders, decrease insulin resistance, and ameliorate the anti-oxidative ability.
Despite the importance of clothing pressure discomfort in the undergarment industry, a reliable unbiased measurement of clothing pressure discomfort has not been well-established. In the present study, we investigate changes in brain wave activity as a potential objective and consistent measuring tool for clothing pressure discomfort. We recorded α wave activity in 5 functional regions (30 channels) of the brain in 10 females with or without a girdle. We determined that α wave power spectrum significantly increases when the girdle is worn compared to when it is not worn, specifically in the parietal and occipital regions. These findings suggest that clothing pressure exerted by wearing a girdle mostly stimulates the parietal and occipital regions and that these regions should be investigated in future studies using α wave energy to measure clothing pressure discomfort.
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