Prefrontal Cortical Activity During Preferred and Fast Walking in Young and Older Adults: An fNIRS Study

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorOregon Health & Science University-
Autor(es): dc.creatorBelli, Vinicius de-
Autor(es): dc.creatorOrcioli-Silva, Diego-
Autor(es): dc.creatorBeretta, Victor Spiandor-
Autor(es): dc.creatorVitório, Rodrigo-
Autor(es): dc.creatorZampier, Vinicius Cavassano-
Autor(es): dc.creatorNóbrega-Sousa, Priscila-
Autor(es): dc.creatorConceição, Núbia Ribeiro da-
Autor(es): dc.creatorGobbi, Lilian Teresa Bucken-
Data de aceite: dc.date.accessioned2025-08-21T22:16:53Z-
Data de disponibilização: dc.date.available2025-08-21T22:16:53Z-
Data de envio: dc.date.issued2022-05-01-
Data de envio: dc.date.issued2022-05-01-
Data de envio: dc.date.issued2021-10-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.neuroscience.2021.08.019-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/233511-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/233511-
Descrição: dc.descriptionAge-related changes may affect the performance during fast walking speed. Although, several studies have been focused on the contribution of the prefrontal cortex (PFC) during challenging walking tasks, the neural mechanism underling fast walking speed in older people remain poorly understood. Therefore, the aim of this study was to investigate the influence of aging on PFC activity during overground walking at preferred and fast speeds. Twenty-five older adults (67.37 ± 5.31 years) and 24 young adults (22.70 ± 1.30 years) walked overground in two conditions: preferred speed and fast walking speed. Five trials were performed for each condition. A wireless functional near-infrared spectroscopy (fNIRS) system measured PFC activity. Gait parameters were evaluated using the GAITRite system. Overall, older adults presented higher PFC activity than young adults in both conditions. Speed-related change in PFC activity was observed for older adults, but not for young adults. Older adults significantly increased activity in the left PFC from the preferred to fast walking condition whereas young adults had similar levels of PFC activity across conditions. Our findings suggest that older adults need to recruit additional prefrontal cognitive resources to control walking, indicating a compensatory mechanism. In addition, left PFC seems to be involved in the modulation of gait speed in older adults.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionSão Paulo State University (UNESP) Institute of Biosciences Posture and Gait Studies Laboratory (LEPLO)-
Descrição: dc.descriptionGraduate Program in Movement Sciences São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartment of Neurology Oregon Health & Science University-
Descrição: dc.descriptionSão Paulo State University (UNESP) Institute of Biosciences Posture and Gait Studies Laboratory (LEPLO)-
Descrição: dc.descriptionGraduate Program in Movement Sciences São Paulo State University (UNESP)-
Descrição: dc.descriptionFAPESP: 2016/21499-1-
Descrição: dc.descriptionFAPESP: 2017/23476-1-
Formato: dc.format81-89-
Idioma: dc.languageen-
Relação: dc.relationNeuroscience-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectaging-
Palavras-chave: dc.subjectcortical activation-
Palavras-chave: dc.subjectgait-
Palavras-chave: dc.subjectoxygenated hemoglobin-
Título: dc.titlePrefrontal Cortical Activity During Preferred and Fast Walking in Young and Older Adults: An fNIRS Study-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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