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Small effects of olfactory identification and discrimination on global cognitive and executive performance over 1 year in aging people without a history of age-related cognitive impairment
L. Martinec Nováková, H. Georgi, K. Vlčková, M. Kopeček, A. Babuská, J. Havlíček
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články
- MeSH
- čich fyziologie MeSH
- čichová percepce fyziologie MeSH
- diskriminace (psychologie) * fyziologie MeSH
- exekutivní funkce * fyziologie MeSH
- kognice * fyziologie MeSH
- kognitivní dysfunkce patofyziologie diagnóza MeSH
- lidé středního věku MeSH
- lidé MeSH
- neuropsychologické testy MeSH
- odoranty * MeSH
- senioři nad 80 let MeSH
- senioři MeSH
- stárnutí * fyziologie MeSH
- testy pro posouzení mentálních funkcí a demence MeSH
- Check Tag
- lidé středního věku MeSH
- lidé MeSH
- mužské pohlaví MeSH
- senioři nad 80 let MeSH
- senioři MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
Olfactory and cognitive performance share neural correlates profoundly affected by physiological aging. However, whether odor identification and discrimination scores predict global cognitive status and executive function in healthy older people with intact cognition is unclear. Therefore, in the present study, we set out to elucidate these links in a convenience sample of 204 independently living, cognitively intact healthy Czech adults aged 77.4 ± 8.7 (61-97 years) over two waves of data collection (one-year interval). We used the Czech versions of the Montreal Cognitive Assessment (MoCA) to evaluate global cognition, and the Prague Stroop Test (PST), Trail Making Test (TMT), and several verbal fluency (VF) tests to assess executive function. As a subsidiary aim, we aimed to examine the contribution of olfactory performance towards achieving a MoCA score above vs. below the published cut-off value. We found that the MoCA scores exhibited moderate associations with both odor identification and discrimination. Furthermore, odor identification significantly predicted PST C and C/D scores. Odor discrimination significantly predicted PST C/D, TMT B/A, and standardized composite VF scores. Our findings demonstrate that olfaction, on the one hand, and global cognition and executive function, on the other, are related even in healthy older people.
Department of Zoology Faculty of Science Charles University Viničná 7 128 00 Prague 2 Czech Republic
National Institute of Mental Health Topolová 748 250 67 Klecany Czech Republic
Prague College of Psychosocial Studies Hekrova 805 149 00 Prague 4 Czech Republic
Thomayer Teaching Hospital Vídeňská 800 140 59 Prague 4 Krč Czech Republic
Citace poskytuje Crossref.org
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- $a Martinec Nováková, Lenka $u Department of Psychology and Life Sciences, Faculty of Humanities, Charles University, Pátkova 2137/5, 182 00 Prague 8 - Libeň, Czech Republic; Department of Chemical Education and Humanities, University of Chemistry and Technology, Prague, Technická 5, 166 28 Prague 6 - Dejvice, Czech Republic. Electronic address: lenka.novakova@fhs.cuni.cz
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- $a Small effects of olfactory identification and discrimination on global cognitive and executive performance over 1 year in aging people without a history of age-related cognitive impairment / $c L. Martinec Nováková, H. Georgi, K. Vlčková, M. Kopeček, A. Babuská, J. Havlíček
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- $a Olfactory and cognitive performance share neural correlates profoundly affected by physiological aging. However, whether odor identification and discrimination scores predict global cognitive status and executive function in healthy older people with intact cognition is unclear. Therefore, in the present study, we set out to elucidate these links in a convenience sample of 204 independently living, cognitively intact healthy Czech adults aged 77.4 ± 8.7 (61-97 years) over two waves of data collection (one-year interval). We used the Czech versions of the Montreal Cognitive Assessment (MoCA) to evaluate global cognition, and the Prague Stroop Test (PST), Trail Making Test (TMT), and several verbal fluency (VF) tests to assess executive function. As a subsidiary aim, we aimed to examine the contribution of olfactory performance towards achieving a MoCA score above vs. below the published cut-off value. We found that the MoCA scores exhibited moderate associations with both odor identification and discrimination. Furthermore, odor identification significantly predicted PST C and C/D scores. Odor discrimination significantly predicted PST C/D, TMT B/A, and standardized composite VF scores. Our findings demonstrate that olfaction, on the one hand, and global cognition and executive function, on the other, are related even in healthy older people.
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- $a Vlčková, Karolína $u Department of Psychiatry and Medical Psychology, Third Faculty of Medicine, Charles University, Ruská 87, 100 00 Prague 10 - Vršovice, Czech Republic; Thomayer Teaching Hospital, Vídeňská 800, 140 59 Prague 4 - Krč, Czech Republic
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