The reliability and validity of rapid transcranial magnetic stimulation mapping

被引：25
作者：
Cavaleri, Rocco [1 ]
Schabrun, Siobhan M. [1 ]
Chipchase, Lucy S. [1 ,2 ]
机构：
[1] Western Sydney Univ, Sch Sci & Hlth, Sydney, NSW 2560, Australia
[2] Univ Canberra, Fac Hlth, Canberra, ACT, Australia
来源：
BRAIN STIMULATION | 2018年 / 11卷 / 06期
基金：
英国医学研究理事会;
关键词：
TMS mapping; Corticospinal excitability; Corticomotor; Plasticity; Reliability; Validity; HUMAN MOTOR CORTEX; REPRESENTATIONS; EQUIVALENCE; INTENSITY; HEALTH; REST; AREA; COIL;
D O I：
10.1016/j.brs.2018.07.043
中图分类号：
R74 [神经病学与精神病学];
学科分类号：
摘要：
Background: Traditional transcranial magnetic stimulation mapping involves systematically delivering stimuli over a predefined grid. The pseudorandom walk method seeks to improve map acquisition times by abandoning the grid in favour of delivering stimuli randomly over a given area. Objectives: To i) determine the minimum interstimulus interval (ISI) required for reliable mapping outcomes within and between sessions using the pseudorandom walk method and ii) assess the validity of the pseudorandom walk method by testing its equivalence with traditional mapping. Methods: Maps collected using the pseudorandom walk method at four ISIs (4, 3, 2, and 1s) were compared to maps collected using traditional mapping in twenty healthy individuals. Outcomes included map area, volume, centre of gravity, mean MEP amplitude, and number of discrete peaks. Results and Conclusions: The pseudorandom walk method was valid and reliable with a 2-second ISI for all outcomes except number of discrete peaks, which was less reliable than other measures. (C) 2018 Elsevier Inc. All rights reserved.
引用
收藏
页码：1291 / 1295
页数：5
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