Is it possible to use the Structural Dimension Analysis of Motor Memory (SDA-M) to investigate representations of motor actions in stroke patients?

被引:35
作者
Braun, Susy M.
Beurskens, Anna J.
Schack, Thomas
Marcellis, Rik G.
Oti, Kenneth C.
Schols, Jos M.
Wade, Derick T.
机构
[1] Zuyd Univ, Sch Profess Educ, Ctr Expertise Life Sci, Dept Hlth & Technique, Heerlen, Netherlands
[2] Univ Bielefeld, Dept Psychol Sci, Bielefeld, Germany
[3] Maastricht Univ, Dept Movement Sci, Maastricht, Netherlands
[4] Maastricht Univ, Dept Gen Practice, Maastricht, Netherlands
[5] Tilburg Univ, Dept Tranzo, NL-5000 LE Tilburg, Netherlands
[6] Maastricht Univ, Dept Rehabil Med, Maastricht, Netherlands
[7] Oxford Ctr Enablement, Oxford, England
关键词
D O I
10.1177/0269215507078303
中图分类号
R49 [康复医学];
学科分类号
100215 ;
摘要
Objective: To determine the feasibility of the Structural Dimension Analysis of Motor Memory (SDA-M), a method derived from sports psychology, in establishing the mental representations of complex movements in patients after stroke. Design: Case series of patients, with age-matched healthy controls. Setting: A rehabilitation nursing home. Subjects: Sixteen patients 3-26 weeks after their stroke, and 16 controls. Intervention: Each control had the SDA-M performed within a 10-day period. Each stroke patient had the SDA-M performed once. In the SDA-M the subject was asked to state for each of 10 actions involved in drinking from a cup whether it is functionally close to each of the other nine or not. Main measures: The raw data from the SDA-M were transformed through cluster analysis into Euclidean distances and tree diagrams to illustrate the internal representation of the action. Results: All subjects were able to perform the assessment. Healthy controls all had a similar set of Euclidean distances and tree diagrams that were 'normal'. The tree diagrams remained very similar on the three occasions. Four stroke patients had tree diagrams that were 'normal'. The remaining twelve had tree diagrams that differed greatly both from the 'normal' and from each other, with much less clustering of actions. Patients with more severe stroke appeared to have more disordered tree diagrams. Conclusion: The Structural Dimension Analysis of Motor Memory (SDA-M) is a feasible method for investigating the mental representation of internal motor action plans in stroke patients, giving similar data in stable healthy people and revealing abnormal patterns in patients after stroke.
引用
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页码:822 / 832
页数:11
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