No Evidence That Cognitive and Physical Activities Are Related to Changes in EEG Markers of Cognition in Older Adults at Risk of Dementia

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2021
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Laptinskaya, Daria
Küster, Olivia Caroline
Fissler, Patrick
von Arnim, Christine A. F.
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Frontiers in aging neuroscience. Frontiers Research Foundation. 2021, 13, 610839. eISSN 1663-4365. Available under: doi: 10.3389/fnagi.2021.610839
Zusammenfassung

An active lifestyle as well as cognitive and physical training (PT) may benefit cognition by increasing cognitive reserve, but the underlying neurobiological mechanisms of this reserve capacity are not well understood. To investigate these mechanisms of cognitive reserve, we focused on electrophysiological correlates of cognitive performance, namely on an event-related measure of auditory memory and on a measure of global coherence. Both measures have shown to be sensitive markers for cognition and might therefore be suitable to investigate potential training- and lifestyle-related changes. Here, we report on the results of an electrophysiological sub-study that correspond to previously published behavioral findings. Altogether, 65 older adults with subjective or objective cognitive impairment and aged 60-88 years were assigned to a 10-week cognitive (n = 19) or a 10-week PT (n = 21) or to a passive control group (n = 25). In addition, self-reported lifestyle was assessed at baseline. We did not find an effect of both training groups on electroencephalography (EEG) measures of auditory memory decay or global coherence (ps ≥ 0.29) and a more active lifestyle was not associated with improved global coherence (p = 0.38). Results suggest that a 10-week unimodal cognitive or PT and an active lifestyle in older adults at risk for dementia are not strongly related to improvements in electrophysiological correlates of cognition.

Zusammenfassung in einer weiteren Sprache
Fachgebiet (DDC)
150 Psychologie
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coherence, lifestyle, dementia, mismatch negativity, cognitive training, physical training, electrophysiology
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ISO 690LAPTINSKAYA, Daria, Olivia Caroline KÜSTER, Patrick FISSLER, Franka THURM, Christine A. F. VON ARNIM, Iris-Tatjana KOLASSA, 2021. No Evidence That Cognitive and Physical Activities Are Related to Changes in EEG Markers of Cognition in Older Adults at Risk of Dementia. In: Frontiers in aging neuroscience. Frontiers Research Foundation. 2021, 13, 610839. eISSN 1663-4365. Available under: doi: 10.3389/fnagi.2021.610839
BibTex
@article{Laptinskaya2021Evide-53467,
  year={2021},
  doi={10.3389/fnagi.2021.610839},
  title={No Evidence That Cognitive and Physical Activities Are Related to Changes in EEG Markers of Cognition in Older Adults at Risk of Dementia},
  volume={13},
  journal={Frontiers in aging neuroscience},
  author={Laptinskaya, Daria and Küster, Olivia Caroline and Fissler, Patrick and Thurm, Franka and von Arnim, Christine A. F. and Kolassa, Iris-Tatjana},
  note={Article Number: 610839}
}
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