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• W2946139212 abstract "Abstract The effects of aging on cognitive performance must be better understood, especially to protect older individuals who are engaged in risky activities (e.g. aviation). Current literature on executive functions suggests that brain compensatory mechanisms may counter cognitive deterioration due to aging, at least up to certain task load levels. The present study assesses this hypothesis in private pilots engaged in two executive tasks from the standardized CANTAB battery, namely Spatial Working Memory (SWM) and One Touch Stockings of Cambridge (OTS). Sixty-one pilots from three age groups (young, middle-aged, older) performed these two tasks from low to very high difficulty levels, beyond those reported in previous aging studies. A fNIRS headband measured changes in oxyhemoglobin (HbO2) in the prefrontal cortex. Results confirmed an overall effect of the difficulty level in the three age groups, with a decline in task performance and an increase in prefrontal HbO2 signal. Performance of older relative to younger pilots was impaired in both tasks, with the greatest impairment observed for the highest-load Spatial Working Memory task. Consistent with this behavioral deficit in older pilots, a plateau of prefrontal activity was observed at this highest-load level, suggesting that a ceiling in neural resources was reached. When behavioral performance was either equivalent between age groups or only slightly impaired in the older group, there were not any age-related differences in prefrontal activity. Finally, older pilots with extensive flying experience tend to show better preserved spatial working memory performance when compared to mildly-experienced of the same age group. The present findings are discussed in the frames of HAROLD and CRUNCH theoretical models of cognitive and neural aging, evoking the possibility that piloting expertise may contribute to preserve executive functions throughout adulthood." @default.
• W2946139212 created "2019-05-29" @default.
• W2946139212 creator A5009117951 @default.
• W2946139212 creator A5013935352 @default.
• W2946139212 creator A5091538074 @default.
• W2946139212 date "2019-05-22" @default.
• W2946139212 modified "2023-10-10" @default.
• W2946139212 title "Influences of age, mental workload, and flight experience on cognitive performance and prefrontal activity in private pilots: a fNIRS study" @default.
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• W2946139212 doi "https://doi.org/10.1038/s41598-019-44082-w" @default.
• W2946139212 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6531547" @default.
• W2946139212 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/31118436" @default.
• W2946139212 hasPublicationYear "2019" @default.
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