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- W4367303959 abstract "<h3>Objective:</h3> To assess for sex differences in longitudinal change in verbal fluency performance in people with progressive supranuclear palsy (PSP). <h3>Background:</h3> Cognitive impairment is a core feature of PSP; executive dysfunction and reduced phonemic verbal fluency are included in the diagnostic criteria. Sex differences in other neurodegenerative disorders, such as Alzheimer’s and Parkinson’s diseases, have been extensively studied with reports consistently showing cognition is differentially impacted in men and women. In PSP, however, the sex differences in cognitive decline have yet to be fully characterized. <h3>Design/Methods:</h3> We included 139 participants with PSP (62 women, 77 men) that underwent cognitive testing as part of the Tauros trial. Baseline sex differences in demographics and verbal fluency performance were assessed using Mann-Whitney U tests. Then, sex differences in longitudinal change in verbal fluency performance were evaluated with linear mixed models, including interactions of time and baseline score, age, and education as covariates. <h3>Results:</h3> There were no significant differences in baseline age, disease duration, and disease severity between women and men. Men had significantly more education than women (<i>p</i>=0.03). Baseline verbal fluency performance was similar across the sexes. However, compared to women, men had more severe decline in semantic fluency (β=−3.95±0.98; <i>p</i>=7.26e-5) and lexical fluency over time (β=−1.64±0.76; <i>p</i>=0.031). <h3>Conclusions:</h3> We found that men with PSP had worse decline in verbal fluency performance than women, suggesting PSP may affect cognition differently between sexes. Although studies in healthy elderly show a more pronounced decline in category fluency than letter fluency, our findings were likely not due to aging as these studies in healthy elderly report no sex differences for category fluency performance or rate of decline. As cognitive impairment is common and burdensome in PSP, sex-specific approaches may be needed to address the needs of people with PSP. <b>Disclosure:</b> Mr. Digma has nothing to disclose. Dr. Quijano has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Novartis. Dr. Litvan has received personal compensation in the range of $500-$4,999 for serving on a Scientific Advisory or Data Safety Monitoring board for Lundbeck. Dr. Litvan has received personal compensation in the range of $10,000-$49,999 for serving as an Editor, Associate Editor, or Editorial Advisory Board Member for Frontiers in Neurology. Dr. Bayram has nothing to disclose." @default.
- W4367303959 created "2023-04-29" @default.
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- W4367303959 date "2023-04-25" @default.
- W4367303959 modified "2023-10-18" @default.
- W4367303959 title "Sex Differences for Verbal Fluency Decline in Progressive Supranuclear Palsy (P8-11.003)" @default.
- W4367303959 doi "https://doi.org/10.1212/wnl.0000000000202188" @default.
- W4367303959 hasPublicationYear "2023" @default.
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