O Beauchet

..The interpretation of the increase in stride-to-stride variability of stride time (STV) regarding the evolution of cognitive deficits across the dementia spectrum is matter of debate...

..The association of high blood pressure with brain volume reduction may in part explain blood pressure-related cognitive decline leading to dementia...

..The aim of this study was to examine the association between ESD (i.e., information updating and monitoring) and stride time variability among healthy older adults...

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..Vitamin D supplementation should thus be integrated into primary and secondary fall prevention strategies in older adults...

..The objective of this study was to determine whether a short form of Mini-Mental State Examination (SMMSE) was as accurate as the Mini-Mental State Examination (MMSE) in screening dementia...

..This behavior was observed only among subjects with the highest gait variability and could be interpreted as an implicit strategy based on the "magnet effect"...

..Prevalence of essential tremor (ET), one of the most common movement disorders, has not been properly evaluated amongst heterogeneous population in India...

..To determine whether dual task-related changes in walking speed were associated with recurrent falls in frail older adults...

..We therefore sought to determine the extent to which decrease in self-selected walking speed influenced STV among healthy young adults...

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..Dual-task-based assessment tests failed to establish a dependable relationship between dual-task-related gait changes and the risk of falls in the elderly...

..Description of health status, standardization of test methodology, increase of sample size and longer follow-up intervals will certainly improve the predictive value of dual-task-based fall risk assessment tests...

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..Health care professionals need a simple and pragmatic clinical approach for the management of recurrent fallers in clinical routine...

..To assess the association and the predictive ability of the Timed Up and Go test (TUG) on the occurrence of falls among people aged 65 and older...

..The objective of this cross-sectional study was to examine the association between stride-to-stride variability of stride time (STV) and serum 25OHD concentration in adults aged 65 years and older...

..The objective of this study was to examine immediate test-retest reliability of STV while single and dual tasking in cognitively healthy older individuals (CHI) and in demented patients with frontotemporal degeneration (FTD)...

..To determine whether there was an association between the Five-Times-Sit-to-Stand test (FTSS) and the global cognitive function assessed with Short-Portable-Mental-State-Questionnaire (SPMSQ) among the EPIDOS cohort...

..The objective of this cross-sectional population-based study was to examine the association between serum 25(OH)D deficiency and cognitive impairment while taking confounders into account...

..The objective of this longitudinal study was to determine whether serum vitamin D deficiency at baseline could predict the onset of non-Alzheimer dementias (NAD) within 7 years among older women...

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..The objective of this cross-sectional study was to determine whether weekly dietary intake of vitamin D could be associated with global cognitive performance among older adults...

..The inconclusive results of the reviewed studies could be due to methodology, types of the cognitive tasks used and/or the cellular mechanisms of vitamin D...

..The association with mild cognitive impairment (MCI) has not yet been explored. Our aim was to examine the association between vitamin D status and MCI status amongst older community-dwellers with subjective memory complaint...

..To validate a Short Form of the Mini-Mental State Examination (SMMSE) as a screening test for dementia in older ambulatory individuals followed in a memory clinic for a memory complaint...

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..While the association between benzodiazepines (BZD) and single fall is long-known, the association between BZD and recurrent falls has been few studied...

..To establish whether changes in a spoken verbal task performance while walking compared with being at rest could predict falls among older adults...

..Vitamin D intake may prevent physical performance decline through prevention of muscle mass loss. Our objective was to determine whether low dietary intakes were associated with low muscle mass (MM)...

..The association between abnormal 4-item GDS score and recurrent falls has not yet been examined. In addition, while depressive symptoms-related gait instability is well known, the association with recurrent falls has been few studied...

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..Protocol care must to be developed in geriatric institutions to increase the quality of diagnosis and treatment of elderly subjects after loss of consciousness...

..44, p = .003). The findings show a stronger positive association between 25(OH)D concentrations and fast-pace walking speed that is a more sensitive marker of neuromuscular functioning compared with usual-pace walking...

..underlined the efficacy of oral supplemental vitamin D, regardless of any additional calcium supplementation, in non-vertebral fractures prevention among more than 42,000 adults aged 65 years and older (2)...

..The Charlson Comorbidity Index (CCI) is a validated method for the scoring of comorbidities. Whether an association between the CCI and treatment-limiting decisions exists remains unknown...

..These considerations are of heuristic interest in reconceptualizing the origin of the behavioral manifestations of dementia, with important implications for geriatric practice...

..Specific actions on the central nervous system (CNS) have been described. The objective of this review was to describe the relationship between vitamin D and the nervous system throughout the different stages of life...

..Here, we aimed at assessing alterations in cognitive inhibition, a suspected major mechanism of the suicidal vulnerability, in suicidal depressed elderly...

..We therefore sought to determine, in an acute geriatric setting, whether gait variability in single- (i.e., usual walking) or dual-task conditions can predict inpatient falls...

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..A better understanding of dual-task related changes in demented subjects with frontal lobe dysfunction could help us to clarify the role of the frontal lobe in motor gait control...

..We studied the relationship between commonly known intrinsic risk factors for falls and dual-task related gait changes among transitional frail older adults...

..It remains unknown whether dual-task related changes in stride time and stride length variability result from an effect of stride velocity and/or of the attention-demanding task...

..The guidelines presented here are intended to facilitate network collaborations and to provide guidance to clinicians who wish to implement spatio-temporal gait analysis in clinical settings...

..Furthermore, dual-task could be a new approach of the gait disorders rehabilitation...

..The aim of this study was to determine how angular displacements of the trunk and shank are affected by aging during sit-to-stand and stand-to-sit transfers...

..04 and 0.04 s (Pitman's test of difference in variance: r=-0.009, P=0.772). The present results suggest that the SMTEC footswitches system provides a valid and reliable measurement of temporal gait parameters in healthy young adults...

..The aim of the study was to evluate the benefit of taking into account the fear of falling in the care of old people who had experienced falls...

..We, therefore, suggest that the choice of the attention-splitting task in dual-task gait assessment among older adults must be made carefully...