Effects of the task complexity on the performance of a Coincidence Timing Task of people with Down syndrome

  • Giordano Marcio Gatinho Bonuzzi Escola de Educação Física e Esporte - Universidade de São Paulo Universidade Paulista - UNIP
  • Umberto César Corrêa Escola de Educação Física e Esporte - Universidade de São Paulo
  • Gisele Ladik Antunes Escola de Educação Física e Esporte - Universidade de São Paulo
  • Carlos Bandeira de Mello Monteiro Escola de Artes, Ciências e Humanidades - Universidade de São Paulo
  • Alaércio Perotti Júnior Universidade Paulista - UNIP Centro Universitário Hermínio Ometto Faculdades Integradas Einstein de Limeira
  • Andrea Michele Freudenheim Escola de Educação Física e Esporte - Universidade de São Paulo
  • Camila Torriani-Pasin Escola de Educação Física e Esporte - Universidade de São Paulo

Abstract

With the present study, we aimed to investigate the task complexity effects on the performance of a coincidence timing task in individuals with Down syndrome. The experimental group was consisted by 26 subjects with Down syndrome, 20 years old (± 5), and classified as mild or moderate in International Classification of Functioning and Health. Each participant in the experimental group was matched by in function of gender and age with a participant in a control group without Down syndrome. Both groups performed a coincident timing task, in which the participant had different levels of structural and functional complexity. Performance measure was derived from the consistency (absolute error), accuracy (variable error) and direction of response (constant error). Individuals with Down syndrome presented spatiotemporal organization impairments related to the difficulty in dealing with motor demand in order to interact with the perceptive demand. They also experienced difficulty in adapt to task complexity, causing performance error in the task. Individuals with Down syndrome have deficits in perceptive and space-time organization, and this phenomenon may be explained by the difficulty in integrating perceptive stimulus to motor actions with a high number of elements involved.

Published
2017-05-03
Section
Original Article