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Central organization in generating anticipatory and reactive postural adjustments in the elderly

Grant number: 11/20265-3
Support Opportunities:Regular Research Grants
Duration: July 01, 2012 - April 30, 2015
Field of knowledge:Humanities - Psychology - Experimental Psychology
Principal Investigator:Luis Augusto Teixeira
Grantee:Luis Augusto Teixeira
Host Institution: Escola de Educação Física e Esporte (EEFE). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

The present investigation aims at evaluating the effect of precues on postural perturbation (displacement of a support platform) on the control of upright stance in the elderly, in comparison with young counterparts. The project will be conducted in two experiments. In Experiment 1 it will be accessed the effect of precueing on direction and time of occurrence of platform displacement. In Experiment 2 it will be accessed the effect of invalid cues on direction of displacement. In both experiments anticipatory and reactive postural responses will be evaluated through kinematic analysis of angular joint excursion of the hip, knee and ankle; center of pressure of the soles of the feet; and electromyography of anterior and posterior leg muscles. The main hypothesis is that the elderly are more benefited from valid cues and more disturbed from invalid cues in comparison with young individuals, due to increased engagement of attention to postural control in the elderly. (AU)

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
TEIXEIRA, LUIS AUGUSTO; SERPA COUTINHO, JOANE DE FIGUEIREDO; COELHO, DANIEL BOARI. Regulation of dynamic postural control to attend manual steadiness constraints. Journal of Neurophysiology, v. 120, n. 2, p. 693-702, . (11/20265-3)
COELHO, DANIEL BOARI; SILVA, MARINA BRITO; DE LIMA-PARDINI, ANDREA CRISTINA; MARTINELLI, ALESSANDRA REZENDE; BAPTISTA, THAIS DA SILVA; RAMOS, RENATO TEODORO; TEIXEIRA, LUIS AUGUSTO. Young and older adults adapt automatic postural responses equivalently to repetitive perturbations but are unable to use predictive cueing to optimize recovery of balance stability. Neuroscience Letters, v. 685, p. 167-172, . (10/00307-0, 11/20265-3)
TAKAZONO, PATRICIA SAYURI; DE SOUZA, CAROLINE RIBEIRO; DE OLIVEIRA, JOLIA AVILA; COELHO, DANIEL BOARI; TEIXEIRA, LUIS AUGUSTO. High contextual interference in perturbation-based balance training leads to persistent and generalizable stability gains of compensatory limb movements. Experimental Brain Research, v. 238, n. 5, p. 1249-1263, . (11/20265-3)
DE SOUZA, CAROLINE RIBEIRO; BETELLI, MARINA TORRES; TAKAZONO, PATRICIA SAYURI; DE OLIVEIRA, JULIA AVILA; COELHO, DANIEL BOARI; DUYSENS, JACQUES; TEIXEIRA, LUIS AUGUSTO. Evaluation of balance recovery stability from unpredictable perturbations through the compensatory arm and leg movements (CALM) scale. PLoS One, v. 14, n. 8, . (11/20265-3)
COELHO, DANIEL BOARI; TEIXEIRA, LUIS AUGUSTO. Cognition and balance control: does processing of explicit contextual cues of impending perturbations modulate automatic postural responses?. Experimental Brain Research, v. 235, n. 8, p. 2375-2390, . (11/20265-3)

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