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A two alternative forced choice method for assessing vibrotactile discrimination thresholds in the lower limb.
Somatosensory & Motor Research ( IF 0.9 ) Pub Date : 2019-07-03 , DOI: 10.1080/08990220.2019.1632184 Riccardo Iandolo 1, 2 , Marta Carè 2 , Valay A Shah 3 , Simona Schiavi 4 , Giulia Bommarito 4 , Giacomo Boffa 4 , Psiche Giannoni 2 , Matilde Inglese 4, 5 , Leigh Ann Mrotek 3 , Robert A Scheidt 3, 6, 7 , Maura Casadio 1, 2
Somatosensory & Motor Research ( IF 0.9 ) Pub Date : 2019-07-03 , DOI: 10.1080/08990220.2019.1632184 Riccardo Iandolo 1, 2 , Marta Carè 2 , Valay A Shah 3 , Simona Schiavi 4 , Giulia Bommarito 4 , Giacomo Boffa 4 , Psiche Giannoni 2 , Matilde Inglese 4, 5 , Leigh Ann Mrotek 3 , Robert A Scheidt 3, 6, 7 , Maura Casadio 1, 2
Affiliation
The development of an easy to implement, quantitative measure to examine vibration perception would be useful for future application in clinical settings. Vibration sense in the lower limb of younger and older adults was examined using the method of constant stimuli (MCS) and the two-alternative forced choice paradigm. The focus of this experiment was to determine an appropriate stimulation site on the lower limb (tendon versus bone) to assess vibration threshold and to determine if the left and right legs have varying thresholds. Discrimination thresholds obtained at two stimulation sites in the left and right lower limbs showed differences in vibration threshold across the two ages groups, but not across sides of the body nor between stimulation sites within each limb. Overall, the MCS can be implemented simply, reliably, and with minimal time. It can also easily be implemented with low-cost technology. Therefore, it could be a good candidate method to assess the presence of specific deep sensitivity deficits in clinical practice, particularly in populations likely to show the onset of sensory deficits.
中文翻译:
评估下肢触觉辨别阈值的两种替代性强制选择方法。
开发一种易于实施的定量检测振动感知的方法,对于将来在临床环境中的应用将是有用的。使用恒定刺激(MCS)和两种选择的强制选择范式检查了年轻人和老年人下肢的振动感。该实验的重点是确定下肢的适当刺激部位(肌腱与骨骼)以评估振动阈值,并确定左腿和右腿是否具有变化的阈值。在左右下肢的两个刺激部位获得的判别阈值表明,在两个年龄组中,振动阈值存在差异,但在身体两侧和每个肢体内的刺激部位之间没有差异。总体而言,MCS可以简单,可靠且花费最少的时间来实施。它也可以很容易地用低成本技术实现。因此,在临床实践中,特别是在可能表现出感觉缺陷发作的人群中,评估特定的深度敏感性缺陷的存在可能是一个很好的候选方法。
更新日期:2019-11-01
中文翻译:
评估下肢触觉辨别阈值的两种替代性强制选择方法。
开发一种易于实施的定量检测振动感知的方法,对于将来在临床环境中的应用将是有用的。使用恒定刺激(MCS)和两种选择的强制选择范式检查了年轻人和老年人下肢的振动感。该实验的重点是确定下肢的适当刺激部位(肌腱与骨骼)以评估振动阈值,并确定左腿和右腿是否具有变化的阈值。在左右下肢的两个刺激部位获得的判别阈值表明,在两个年龄组中,振动阈值存在差异,但在身体两侧和每个肢体内的刺激部位之间没有差异。总体而言,MCS可以简单,可靠且花费最少的时间来实施。它也可以很容易地用低成本技术实现。因此,在临床实践中,特别是在可能表现出感觉缺陷发作的人群中,评估特定的深度敏感性缺陷的存在可能是一个很好的候选方法。