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• W2943682406 abstract "We investigated whether P300-ERP and cognitive test performance differ for age, sex and education in two groups of healthy elderly, and verified whether any correlations exist between P300 amplitude and latency and grey matter volume using whole brain voxel-by-voxel-based mapping, controlling for age, education, sex and Total Intracranial Volume (TIV). We used 32 channel electroencephalograms (EEG) to record the P300 responses and 3T Magnetic Resonance Imaging (MRI) to determine grey matter volume. We recruited 36 native-Dutch speaking healthy older subjects, equally divided in two sub-groups of 52-64 and 65-76 years old, administered a battery of cognitive tests and recorded their demographics, EEGs and task performance; additionally, 16 adults from the second sub-group underwent an MRI scan. We found significant differences between age groups in their cognitive tests performance, P300 amplitudes for the frontal and parietal electrodes for the most difficult task, and P300 latencies for frontal, central and parietal electrodes for all three tasks difficulty levels. Interesting, sex and education affected cognitive and P300 results. Higher education was related to higher accuracy, and P300 amplitudes and shorter latencies. Moreover, females exhibited higher P300 amplitudes and shorter latencies, and better cognitive tasks performance compared to males. Additionally, for the 16 adults underwent to MRI scan, we found positive correlations between P300 characteristics in frontal, central and parietal areas and grey matter volume, controlling for demographic variables and TIV, but also showing that age, sex and education correlate with grey matter volume. These findings provide support that age, sex and education affect an individual’s cognitive, neurophysiological and structural characteristics, and therefore motivate the need to further investigate these in relation to P300 responses and grey matter volume in healthy elderly." @default.
• W2943682406 created "2019-05-09" @default.
• W2943682406 creator A5014597313 @default.
• W2943682406 creator A5022490304 @default.
• W2943682406 creator A5054245942 @default.
• W2943682406 creator A5080692042 @default.
• W2943682406 date "2019-05-03" @default.
• W2943682406 modified "2023-10-18" @default.
• W2943682406 title "P300, Gray Matter Volume and Individual Characteristics Correlates in Healthy Elderly" @default.
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• W2943682406 doi "https://doi.org/10.3389/fnagi.2019.00104" @default.
• W2943682406 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6510164" @default.

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