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Gimenez R, Marquezi ML, Filho EX, et al. A note on motor skill acquisition in mild and moderate Down syndrome individuals. Psicol Reflex Crit. 2017;30(1):6doi: 10.1186/s41155-017-0060-1.
Gimenez, R., Marquezi, M. L., Filho, E. X., & Manoel, E. J. (2017). A note on motor skill acquisition in mild and moderate Down syndrome individuals. Psicologia, reflexao e critica : revista semestral do Departamento de Psicologia da UFRGS, 30(1), 6. https://doi.org/10.1186/s41155-017-0060-1
Gimenez, Roberto, et al. "A note on motor skill acquisition in mild and moderate Down syndrome individuals." Psicologia, reflexao e critica : revista semestral do Departamento de Psicologia da UFRGS vol. 30,1 (2017): 6. doi: https://doi.org/10.1186/s41155-017-0060-1
Gimenez R, Marquezi ML, Filho EX, Manoel EJ. A note on motor skill acquisition in mild and moderate Down syndrome individuals. Psicol Reflex Crit. 2017 Mar 15;30(1):6. doi: 10.1186/s41155-017-0060-1. PMID: 32026040; PMCID: PMC6967325.
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Psicol Reflex Crit. 2017 Mar 15;30(1):6. doi: 10.1186/s41155-017-0060-1.

A note on motor skill acquisition in mild and moderate Down syndrome individuals.

Psicologia, reflexao e critica : revista semestral do Departamento de Psicologia da UFRGS

Roberto Gimenez, Marcelo Luis Marquezi, Ernani Xavier Filho, Edison de J Manoel

Affiliations

  1. UNICID - Grupo de Estudos sobre o Comportamento Motor e Intervenção Motora, São Paulo, SP - Rua Cesário Galeno, 448, Tatuapé, São Paulo, 03071-000, Brazil. [email protected].
  2. UNICID - Grupo de Estudos sobre o Comportamento Motor e Intervenção Motora, São Paulo, SP - Rua Cesário Galeno, 448, Tatuapé, São Paulo, 03071-000, Brazil.
  3. UEL - Londrina, PR - Rodovia Celso Garcia - Km 380, s/n, Londrina, Paraná, 86057-970, Brazil.
  4. USP - Grupo de Estudo do Desenvolvimento da Ação e Intervenção Motora, São Paulo, SP - Avenida Professor Mello Moraes, 65 - Cidade Universitária, Butantã, São Paulo, 05508-030, Brazil.

PMID: 32026040 PMCID: PMC6967325 DOI: 10.1186/s41155-017-0060-1

Abstract

This study investigated the acquisition of a serial motor skill in individuals with Down syndrome with two levels of handicap, mild group (mean age = 14.5 years, SD = 2.3, 7 individuals) and moderate group (mean age = 15.2 years, SD = 3.2, 7 individuals). The task involved single-arm sequential movements to five. The measures to access performance were overall sequence error, reaction time, and total movement time. To evaluate action program, formation variability of sequencing and relative timing variability were considered. Although there was no clear practice effect, the results showed that the level of handicap led to different strategies to plan and control the actions. The moderate group presented a less stable action program expressed in the variability in sequencing and timing. Their longer reaction times also suggest a heavy demand on central processing in accord with the one-target advantage hypothesis and also due to memory deficits to select and plan movements.

Keywords: Down syndrome; Movement timing; One-target advantage; Target directed movement

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