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dc.contributor.authorYıldız, Sultan
dc.contributor.authorYuluğ, Burak
dc.contributor.authorKocabora, Mehmet Selim
dc.contributor.authorHanoğlu, Lütfü
dc.date.accessioned2021-02-19T21:16:50Z
dc.date.available2021-02-19T21:16:50Z
dc.date.issued2021
dc.identifier.issn0304-3940
dc.identifier.issn1872-7972
dc.identifier.urihttps://doi.org/10.1016/j.neulet.2020.135444
dc.identifier.urihttps://hdl.handle.net/20.500.12868/564
dc.descriptionWOS: 000596504400004en_US
dc.descriptionPubMed: 33127444en_US
dc.description.abstractObjectives: Charles Bonnet Syndrome (CBS) is a rare clinical condition which has been defined as complex visual hallucinations (CVH) due to visual loss. This study investigated differences in the EEG power spectral density (PSD) and magnitude-squared coherences between patients with eye disease and hallucinations (VH+), and the control subjects with eye disease without hallucinations (VH-). Methods: 19 scalp channels EEG was recorded in four VH+ (CBS) and four VH- subjects during an eyes-closed resting condition. Artefact-free epochs were analyzed to obtain PSD values in the delta, theta, alpha1, alpha2, beta1, beta2 and gamma frequency bands. Coherence values were calculated through inter-hemispheric and intra-hemispheric electrodes pairs of interest. All subjects were performed with neuropsychological and behavioral assessments to evaluate cognitive functions. Results: The VH + group had increase PSD in theta, beta2 and gamma bands in central, parietal and occipital (O2) areas. The synchronicity was altered particularly in parietal and frontal-parietal regions especially at theta and alpha1 respectively. Conclusions: The aberrant activity in occipital and parietal regions suggest the mechanism of CBS. This is a major electrophysiological study of understanding CBS and visual hallucinations.en_US
dc.language.isoengen_US
dc.publisherElsevier Ireland Ltden_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectVisual Hallucinationen_US
dc.subjectCharles Bonnet Syndromeen_US
dc.subjectEEGen_US
dc.titlePower spectral density and coherence analysis of eye disease with and without visual hallucinationen_US
dc.typearticleen_US
dc.contributor.departmentALKÜen_US
dc.contributor.institutionauthor0-belirlenecek
dc.identifier.doi10.1016/j.neulet.2020.135444
dc.identifier.volume740en_US
dc.relation.journalNeuroscience Lettersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US


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