轻度认知障碍的右撇子老年人手不对称的减少和精细手灵巧度的下降。

IF 0.9 4区 心理学 Q4 PSYCHOLOGY, EXPERIMENTAL
Olena Vasylenko, Marta M Gorecka, Knut Waterloo, Claudia Rodríguez-Aranda
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引用次数: 4

摘要

帕金森氏症或阿尔茨海默氏症的研究表明,手的功能受到神经退行性疾病的影响。然而,人们对手功能与轻度认知障碍(MCI)之间的关系知之甚少。因此,我们对MCI患者的单手运动进行了运动学分析,以回答在这种情况下,手的不对称性和手的灵巧性是否受到影响或保留。41名轻度认知障碍患者和50名健康对照者进行了普渡钉板试验。所有的参与者都是右撇子。运动学分析(手工)计算路径长度,角度,线速度和角速度在到达,抓取,运输和插入。用因子方差分析(factorial manova)检验组间差异,并评估偏侧性指数(LI)。各组进行“右-左”手相关性比较,以确定最佳单独患者的运动学。MCI组的抓取和插入运动能力明显恶化,而伸手和移动的结果显示出更好的表现。LIs数据显示MCI组在到达和运输过程中运动对称。比较“右-左”手的相关性显示,患者到达和运输的运动学更为对称。本研究显示轻度认知损伤患者的精细手灵巧性恶化,上肢大体灵巧性增强,运动对称。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Reduction in manual asymmetry and decline in fine manual dexterity in right-handed older adults with mild cognitive impairment.

Research in Parkinson's or Alzheimer's disease suggests that hand function is affected by neurodegenerative diseases. However, little is known about the relationship between hand function and mild cognitive impairment (MCI). Therefore, we conducted a kinematic analysis of unimanual hand movements in MCI patients to answer whether manual asymmetries and manual dexterity are affected or preserved in this condition. Forty-one MCI patients and fifty healthy controls were tested with the Purdue Pegboard test. All participants were right-handed. Kinematic analyses (by hand) were calculated for path length, angle, and linear and angular velocities during reaching, grasping, transport and inserting. Group differences were tested by with factorial MANOVAs and laterality indexes (LI) were assessed. Groups were compared on "Right-Left" hand correlations to identify kinematics that best single-out patients. Kinematics from grasping and inserting were significantly more deteriorated in the MCI group, while outcomes for reaching and transport denoted superior performance. LIs data showed symmetry of movements in the MCI group, during reaching and transport. Comparisons of "Right-Left" hand correlations revealed that kinematics in reaching and transport were more symmetrical in patients. This study showed a deterioration of fine manual dexterity, an enhancement in gross dexterity of upper-limbs, and symmetrical movements in MCI patients.

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来源期刊
Laterality
Laterality Multiple-
CiteScore
3.60
自引率
7.10%
发文量
26
期刊介绍: Laterality: Asymmetries of Body, Brain and Cognition publishes high quality research on all aspects of lateralisation in humans and non-human species. Laterality"s principal interest is in the psychological, behavioural and neurological correlates of lateralisation. The editors will also consider accessible papers from any discipline which can illuminate the general problems of the evolution of biological and neural asymmetry, papers on the cultural, linguistic, artistic and social consequences of lateral asymmetry, and papers on its historical origins and development. The interests of workers in laterality are typically broad.
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