Different cortex activation between young and middle-aged people during different type problem-solving: an EEG&fNIRS study

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dc.contributor.authorSarıcaoğlu, Mevhibe
dc.contributor.authorYücel, Meryem Ayşe
dc.contributor.authorBudak, Miray
dc.contributor.authorOmurtag, Ahmet
dc.contributor.authorHanoğlu, Lütfü
dc.date.accessioned2026-05-14T13:48:38Z
dc.date.available2026-05-14T13:48:38Z
dc.date.issued2025
dc.departmentİstanbul Medipol Üniversitesi, İMÜ Meslek Yüksekokulu, Elektronörofizyoloji Ana Bilim Dalı
dc.departmentİstanbul Medipol Üniversitesi, Rektörlük, Rejeneratif ve Restoratif Tıp Araştırmaları Merkezi (REMER)
dc.departmentİstanbul Medipol Üniversitesi, Rektörlük, Sağlık Bilim ve Teknolojileri Araştırma Enstitüsü
dc.departmentİstanbul Medipol Üniversitesi, Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü, Nöroloji Ana Bilim Dalı
dc.description.abstractProblem-solving strategies vary depending on the type of problem and aging. This study investigated the hemodynamic response measured by the changes in the oxyhemoglobin concentration (HbO), alpha frequency power, and their interrelation during problem-solving in healthy young and middle-aged individuals, employing combined electroencephalography (EEG) and functional near-infrared spectroscopy (fNIRS) recordings. The study included 39 young and 30 middle-aged subjects. The brain activation that occurred while answering different questions was recorded using combined EEG and fNIRS. During the EEG & fNIRS recording, four questions (arithmetic, general knowledge, insight, and basic operation) were used for problem-solving. Alpha power (8–13 Hz) and HbO changes were analyzed. The behavioral results indicated significant differences between age groups in various question types. While the middle-aged group performed better on the general knowledge questions, the older group performed better on the insight and four-process questions. The fNIRS results reveal significant differences in brain activation during problem-solving tasks, particularly in regions like DLPFC/TA, STG, pSSC/Wernicke, and STG/angular gyrus Wernicke's area. The young group with the highest HbO was recorded during arithmetic questions, general knowledge questions, and basic operation questions. In contrast, there was no significant highest HbO during insight questions. Similar findings were observed in the middle-aged group, with the highest HbO recorded during general knowledge questions. However, there was no significant HbO in other channels during the solving of other question types in this group. The alpha power varied across different electrodes for various question types in both young and middle-aged groups. The highest alpha frequency band power for different electrodes was recorded while solving general knowledge questions in the young group and insight questions in the middle-aged group. Finally, the EEG and fNIRS correlation results showed positive correlations between HbO and alpha frequency band power in specific brain regions while solving general knowledge questions, particularly in the middle-aged group. The study reveals age-related differences in behavioral performance, brain activation patterns, and neural correlates during various cognitive tasks, showcasing distinct strengths between middle-aged and young individuals in specific question types.
dc.identifier.citationSarıcaoğlu, M., Yücel, M. A., Budak, M., Omurtag, A. ve Hanoğlu, L. (2025). Different cortex activation between young and middle-aged people during different type problem-solving: an EEG&fNIRS study. NeuroImage, 308. http://dx.doi.org/10.1016/j.neuroimage.2025.121062
dc.identifier.doi10.1016/j.neuroimage.2025.121062
dc.identifier.issn1053-8119
dc.identifier.issn1095-9572
dc.identifier.pmid39889808
dc.identifier.scopus2-s2.0-85216525844
dc.identifier.scopusqualityQ1
dc.identifier.urihttp://dx.doi.org/10.1016/j.neuroimage.2025.121062
dc.identifier.urihttps://hdl.handle.net/20.500.12511/13451
dc.identifier.volume308
dc.identifier.wosWOS:001419990700001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorSarıcaoğlu, Mevhibe
dc.institutionauthorHanoğlu, Lütfü
dc.institutionauthorid0000-0002-1289-4641
dc.institutionauthorid0000-0003-4292-5717
dc.language.isoen
dc.relation.ispartofNeuroImage
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectAging
dc.subjectAlpha
dc.subjectEEG
dc.subjectfNIRS
dc.subjectHbO
dc.subjectProblem-Solving
dc.titleDifferent cortex activation between young and middle-aged people during different type problem-solving: an EEG&fNIRS study
dc.typeArticle

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