Performance of Down syndrome subjects during a coincident timing task

International Archives of Medicine

Umberto C Corrêa²  Rubens Wajnsztejn⁴  Alaércio Perotti Junior²  Vitor E Valenti³  Luiz Carlos de Abreu⁴  Carlos BM Monteiro¹  Gisele CS Palma²  Gisele L Antunes²  Marcos AA Soares²  Giordano MG Bonuzzi²  Camila Torriani-Pasin² 

[1] School of Arts, Sciences and Humanities, University of Sao Paulo, Av. Arlindo Béttio, 1000, Sao Paulo, SP, 03828-000, Brazil;Motor Behavior Laboratory (Lacom), School of Physical Education and Sport, University of Sao Paulo, Av. Prof. Mello de Morais, 65, Sao Paulo, SP, 05508-030, Brazil;Department of Speech Language and Hearing Therapy, Faculty of Philosophy and Sciences, UNESP, Av. Hygino Muzzi Filho, Marilia, SP, 737.17.525-900, Brazil;Laboratory of Scientific Writing, Department of Morphology and Physiology, School of Medicine of ABC, Av. Príncipe de Gales, 821, Santo Andre, SP, 09060-650, Brazil

关键词: Task performance and analysis;    Motor activity;    Down syndrome;    development;    Growth &;   

Others  :  803220
DOI  :  10.1186/1755-7682-6-15

 received in 2013-01-21, accepted in 2013-04-20,  发布年份 2013

【 摘 要 】

Background

The time synchronization is a very important ability for the acquisition and performance of motor skills that generate the need to adapt the actions of body segments to external events of the environment that are changing their position in space. Down Syndrome (DS) individuals may present some deficits to perform tasks with synchronization demand. We aimed to investigate the performance of individuals with DS in a simple Coincident Timing task.

Method

32 individuals were divided into 2 groups: the Down syndrome group (DSG) comprised of 16 individuals with average age of 20 (+/− 5 years old), and a control group (CG) comprised of 16 individuals of the same age. All individuals performed the Simple Timing (ST) task and their performance was measured in milliseconds. The study was conducted in a single phase with the execution of 20 consecutive trials for each participant.

Results

There was a significant difference in the intergroup analysis for the accuracy adjustment - Absolute Error (Z = 3.656, p = 0.001); and for the performance consistence - Variable Error (Z = 2.939, p = 0.003).

Conclusion

DS individuals have more difficulty in integrating the motor action to an external stimulus and they also present more inconsistence in performance. Both groups presented the same tendency to delay their motor responses.

【 授权许可】

   
2013 Torriani-Pasin et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

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