METHOD TO INVESTIGATE DIFFERENCES IN CHEWING BEHAVIOR IN HUMANS .1. USE OF ELECTROMYOGRAPHY IN MEASURING CHEWING
METHOD TO INVESTIGATE DIFFERENCES IN CHEWING BEHAVIOR IN HUMANS .1. USE OF ELECTROMYOGRAPHY IN MEASURING CHEWING
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DOI：
10.1111/j.1745-4603.1994.tb00751.x
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发表时间：
1994-03-01
影响因子：
3.2
通讯作者：
BROWN, WE
中科院分区：
文献类型：
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作者：
BROWN, WE
本研究探讨了咀嚼期间从咀嚼肌测量的肌肉活动模式是否具有足够的可重复性，以形成咀嚼行为特征的基础，以及它们是否表达了个体之间明显的变化程度。研究人员分析了10名受试者咀嚼口香糖时重复活动的肌电图（EMG）读数，每个受试者在三个不同的场合。对于每个人来说，咀嚼周期的时间方面（活动爆发的持续时间、活动爆发之间的时间段和完整周期的持续时间）在EMG记录会话之间是可重复的。一致性也被发现的振幅方面的EMG记录。活动爆发内的平均电压、最大电压和EMG迹线下的面积。对于所有六个参数，受试者之间存在显著差异。该研究表明，咀嚼模式的变化，如发生在口腔两侧的咀嚼，反映在6个肌电图参数检查，引起的变化是不同的，为每个人。此外，鼓励受试者专注于咀嚼的行为，使他们改变他们的咀嚼模式，强调了在评估习惯性咀嚼行为时避免这种注意的重要性。
This study examines whether the patterns of muscle activity measured from the masticatory muscles during a chew are sufficiently reproducible to form the basis of a characterisation of chewing behaviour, and whether they express the degree of variation evident between individuals. Electromyograph (EMG) readings of the repetitive activity involved in chewing gum were analyzed for 10 subjects, each on three separate occasions. For each individual the temporal aspects of the chew cycle (duration of the activity burst, period between bursts of activity and duration of the complete cycle) were reproducible between EMG recording sessions. Consistency was also found for amplitude aspects of the EMG record. mean voltage within the activity burst, maximum voltage, and the area under the EMG trace. For all six parameters there was significant variation between subjects. The study showed that variations in the chewing pattern, as occur for chewing on opposite sides of the mouth, were reflected in the 6 EMG parameters examined, and that the changes elicited were different for each individual. Moreover, encouraging subjects to concentrate on the act of chewing caused them to modify their chewing pattern, highlighting the importance of avoiding such attention when assessing habitual chewing behaviour.