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Randomized Controlled Trial
. 2017 Jun;29(3):387-394.
doi: 10.1007/s40520-016-0595-5. Epub 2016 Jun 3.

Acute effects of exergames on cognitive function of institutionalized older persons: a single-blinded, randomized and controlled pilot study

Renato Sobral Monteiro-Junior  1   2   3 , Luiz Felipe da Silva Figueiredo  4   5 , Paulo de Tarso Maciel-Pinheiro  6   4   7 , Erick Lohan Rodrigues Abud  4 , Ana Elisa Mendes Montalvão Braga  4 , Maria Lage Barca  8 , Knut Engedal  9 , Osvaldo José M Nascimento  6 , Andrea Camaz Deslandes  4   10   11 , Jerson Laks  5   10
Affiliations
Randomized Controlled Trial

Acute effects of exergames on cognitive function of institutionalized older persons: a single-blinded, randomized and controlled pilot study

Renato Sobral Monteiro-Junior et al. Aging Clin Exp Res. 2017 Jun.

Abstract

Background: Improvements on balance, gait and cognition are some of the benefits of exergames. Few studies have investigated the cognitive effects of exergames in institutionalized older persons.

Aims: To assess the acute effect of a single session of exergames on cognition of institutionalized older persons.

Methods: Nineteen institutionalized older persons were randomly allocated to Wii (WG, n = 10, 86 ± 7 year, two males) or control groups (CG, n = 9, 86 ± 5 year, one male). The WG performed six exercises with virtual reality, whereas CG performed six exercises without virtual reality. Verbal fluency test (VFT), digit span forward and digit span backward were used to evaluate semantic memory/executive function, short-term memory and work memory, respectively, before and after exergames and Δ post- to pre-session (absolute) and Δ % (relative) were calculated. Parametric (t independent test) and nonparametric (Mann-Whitney test) statistics and effect size were applied to tests for efficacy.

Results: VFT was statistically significant within WG (-3.07, df = 9, p = 0.013). We found no statistically significant differences between the two groups (p > 0.05). Effect size between groups of Δ % (median = 21 %) showed moderate effect for WG (0.63).

Discussion: Our data show moderate improvement of semantic memory/executive function due to exergames session. It is possible that cognitive brain areas are activated during exergames, increasing clinical response.

Conclusion: A single session of exergames showed no significant improvement in short-term memory, working memory and semantic memory/executive function. The effect size for verbal fluency was promising, and future studies on this issue should be developed.

Protocol number of brazilian registry of clinical trials: RBR-6rytw2.

Keywords: Cognition; Executive function; Memory; Mental health; Physical activity; Virtual reality.

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