Browsing by Author "Güntekin, Bahar"
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Abnormal cortical neural synchronization mechanisms in quiet wakefulness are related to motor deficits, cognitive symptoms, and visual hallucinations in Parkinson's disease patients: an electroencephalographic study
Babiloni, Claudio; Pascarelli, Maria Teresa; Lizio, Roberta; Noce, Giuseppe; Lopez, Susanna; Rizzo, Marco; Ferri, Raffaele; Soricelli, Andrea; Nobili, Flavio; Arnaldi, Dario; Fama, Francesco; Orzi, Francesco; Buttinelli, Carla; Giubilei, Franco; Salvetti, Marco; Cipollini, Virginia; Bonanni, Laura; Franciotti, Raffaella; Onofrj, Marco; Stirpe, Paola; Fuhr, Peter; Gschwandtner, Ute; Ransmayr, Gerhard; Aarsland, Dag; Parnetti, Lucilla; Farotti, Lucia; Marizzoni, Moira; D'Antonio, Fabrizia; De Lena, Carlo; Güntekin, Bahar; Hanoğlu, Lütfü; Yener, Görsev; Emek-Savaş, Derya Durusu; Triggiani, Antonio Ivano; Taylor, John Paul; McKeith, Ian; Stocchi, Fabrizio; Vacca, Laura; Hampel, Harald; Frisoni, Giovanni B.; De Pandis, Maria Francesca; Del Percio, Claudio (Elsevier Science Inc., 2020)Compared with Alzheimer's disease (AD), Parkinson's disease (PD) shows peculiar clinical manifestations related to vigilance (i.e., executive cognitive deficits and visual hallucinations) that may be reflected in resting-state ... -
Abnormalities in auditory and visual cognitive processes are differentiated with theta responses in patients with Parkinson's disease with and without dementia
Güntekin, Bahar; Aktürk, Tuba; Yıldırım, Ebru; Helvacı Yılmaz, Nesrin; Hanoğlu, Lütfü; Yener, Görsev (Elsevier, 2020)The research on the abnormalities of event-related oscillations in Parkinson's disease (PD) was mostly studied with cognitively normal patients. The present study aims to show the adverse effects of cognitive decline in ... -
The abnormalities in event-related oscillations in patients with dementia during recognition of emotional facial expressions
Güntekin, Bahar (Elsevier, 2021)There is clear evidence that normal aging and dementia caninfluence the ability to recognize facial emotions. Different dementiapatients could have different types of disabilities in their emotionalfunctions. The study ... -
Abnormalities of cortical neural synchronization mechanisms in patients with dementia due to Alzheimer's and Lewy body diseases: An EEG study
Babiloni, Claudio; Del Percio, Claudio; Lizio, Roberta; Noce, Giuseppe; Cordone, Susanna; Lopez, Susanna; Soricelli, Andrea; Ferri, Raffaele; Pascarelli, Maria Teresa; Nobili, Flavio; Arnaldi, Dario; Aarsland, Dag; Orzi, Francesco; Buttinelli, Carla; Giubilei, Franco; Onofrj, Marco; Stocchi, Fabrizio; Stirpe, Paola; Fuhr, Peter; Gschwandtner, Ute; Ransmayr, Gerhard; Caravias, Georg; Garn, Heinrich; Sorpresi, Fabiola; Pievani, Michela; Frisoni, Giovanni B.; D'Antonio, Fabrizia; De Lena, Carlo; Güntekin, Bahar; Hanoğlu, Lütfü; Başar, Erol; Yener, Görsev; Emek-Savaş, Derya Durusu; Triggiani, Antonio Ivano; Franciotti, Raffaella; De Pandis, Maria Francesca; Bonanni, Laura (Elsevier Science Inc., 2017)The aim of this retrospective exploratory study was that resting state eyes-closed electroencephalographic (rsEEG) rhythms might reflect brain arousal in patients with dementia due to Alzheimer's disease dementia (ADD), ... -
Abnormalities of cortical neural synchronization mechanisms in subjects with mild cognitive impairment due to Alzheimer's and Parkinson's diseases: An EEG study
Babiloni, Claudio; Del Percio, Claudio; Lizio, Roberta; Noce, Giuseppe; Cordone, Susanna; Lopez, Susanna; Soricelli, Andrea; Ferri, Raffaele; Pascarelli, Maria Teresa; Nobili, Flavio; Arnaldi, Dario; Fama, Francesco; Aarsland, Dag; Orzi, Francesco; Buttinelli, Carla; Giubilei, Franco; Onofrj, Marco; Stocchi, Fabrizio; Stirpe, Paola; Fuhr, Peter; Gschwandtner, Ute; Ransmayr, Gerhard; Caravias, Georg; Garn, Heinrich; Sorpresi, Fabiola; Pievani, Michela; D'Antonio, Fabrizia; De Lena, Carlo; Güntekin, Bahar; Hanoğlu, Lütfü; Basar, Erol; Yeners, Gorsev; Emek-Savaş, Derya Durusu; Triggiani, Antonio Ivano; Franciotti, Raffaella; Frisoni, Giovanni B.; Bonanni, Laura; De Pandis, Maria Francesca (IOS Press, 2017)The aim of this retrospective and exploratory study was that the cortical sources of resting state eyes-closed electroencephalographic (rsEEG) rhythms might reveal different abnormalities in cortical neural synchronization ... -
Abnormalities of cortical sources of resting state alpha electroencephalographic rhythms are related to education attainment in cognitively unimpaired seniors and patients with alzheimer's disease and amnesic mild cognitive impairment
Babiloni, Claudio C.; Ferri, Raffaele; Noce, Giuseppe; Lizio, Roberta; Lopez, Susanna; Lorenzo, Ivan; Panzavolta, Andrea; Soricelli, Andrea; Nobili, Flavio Mariano; Arnaldi, Dario; Famà, Francesco; Orzi, Francesco; Buttinelli, Carla; Giubilei, Franco; Cipollini, Virginia; Marizzoni, Moira; Güntekin, Bahar; Aktürk, Tuba; Hanoǧlu, Lütfü; Yener, Görsev G.; Özbek, Yağmur; Stocchi, Fabrizio; Vacca, Laura; Frisoni, Glovannl B.; del Percio, Claudio (NLM (Medline), 2021)In normal old (Nold) and Alzheimer's disease (AD) persons, a high cognitive reserve (CR) makes them more resistant and resilient to brain neuropathology and neurodegeneration. Here, we tested whether these effects may ... -
Abnormalities of functional cortical source connectivity of resting-state electroencephalographic alpha rhythms are similar in patients with mild cognitive impairment due to Alzheimer's and Lewy body diseases
Babiloni, Claudio; del Percio, Claudio; Pascarelli, Maria Teresa; Lizio, Roberta; Noce, Giuseppe; Lopez, Susanna; Rizzo, Marco; Ferri, Rafaele; Soricelli, Andrea; Nobili, Flavio; Arnaldi, Dario; Fama, Francesco; Orzi, Francesco; Buttinelli, Carla; Giubilei, Franco; Salvetti, Marco; Cipollini, Virginia; Franciotti, Raffaella; Onofrj, Marco; Stirpe, Paola; Fuhr, Peter; Gschwandtner, Ute; Ransmayr, Gerhard; Aarsland, Dag; Parnetti, Lucilla; Farotti, Lucia; Marizzoni, Moira; D'Antonio, Fabrizia; De Lena, Carlo; Güntekin, Bahar; Hanoğlu, Lütfü; Yener, Görsev; Emek Savaş, Derya Durusu; Triggiani, Antonio Ivano; Taylor, John Paul; McKeith, Ian; Stocchi, Fabrizio; Vacca, Laura; Hampel, Harald; Frisoni, Giovanni B.; de Pandis, Maria Francesca; Bonanni, Laura (Elsevier Science Inc, 2019)Previous evidence has shown different resting-state eyes-closed electroencephalographic delta (<4 Hz) and alpha (8-10.5 Hz) source connectivity in subjects with dementia due to Alzheimer's (ADD) and Lewy body (DLB) diseases. ... -
Abnormalities of resting state cortical EEG rhythms in subjects with mild cognitive impairment due to alzheimer's and lewy body diseases
Babiloni, Claudio; del Percio, Claudio; Lizio, Roberta; Noce, Giuseppe; Lopez, Susanna; Soricelli, Andrea; Ferri, Raffaele; Pascarelli, Maria Teresa; Catania, Valentina; Nobili, Flavio; Arnaldi, Dario; Fama, Francesco; Aarsland, Dag; Orzi, Francesco; Buttinelli, Carla; Giubilei, Franco; Onofrj, Marco; Stocchi, Fabrizio; Vacca, Laura; Stirpe, Paola; Fuhr, Peter; Gschwandtner, Ute; Ransmayr, Gerhard; Garn, Heinrich; Fraioli, Lucia; Pievani, Michela; Frisoni, Giovanni B.; D'Antonio, Fabrizia; de Lena, Carlo; Güntekin, Bahar; Hanoğlu, Lütfü; Başar, Erol; Yener, Görsev; Emek-Savaş, Derya Durusu; Triggiani, Antonio Ivano; Franciotti, Raffaella; Taylor, John Paul; de Pandis, Maria Francesca; Bonanni, Laura (IOS Press, 2018)The present study tested the hypothesis that cortical sources of resting state eyes-closed electroencephalographic (rsEEG) rhythms reveal different abnormalities in cortical neural synchronization in groups of patients ... -
Abnormalities of resting-state EEG in patients with prodromal and overt dementia with Lewy bodies: Relation to clinical symptoms
Pascarelli, Maria Teresa; Del Percio, Claudio; De Pandis, Maria Francesca; Ferri, Raffaele; Lizio, Roberta; Noce, Giuseppe; Lopez, Susanna; Rizzo, Marco; Soricelli, Andrea; Nobili, Flavio; Arnaldi, Dario; Fama, Francesco; Orzi, Francesco; Buttinelli, Carla; Giubilei, Franco; Salvetti, Marco; Cipollini, Virginia; Franciotti, Raffaella; Onofri, Marco; Fuhr, Peter; Gschwandtner, Ute; Ransmayr, Gerhard; Aarsland, Dag; Parnetti, Lucilla; Farotti, Lucia; Marizzoni, Moira; D'Antonio, Fabrizia; De Lena, Carlo; Güntekin, Bahar; Hanoğlu, Lütfü; Yener, Görsev; Emek Savaş, Derya Durusu; Triggiani, Antonio Ivano; Taylor, John Paul; McKeith, Ian; Stocchi, Fabrizio; Vacca, Laura; Hampel, Harald; Frisoni, Giovanni B.; Bonanni, Laura; Babiloni, Claudio (Elsevier Ireland Ltd, 2020)Objective: Here we tested if cortical sources of resting state electroencephalographic (rsEEG) rhythms may differ in sub-groups of patients with prodromal and overt dementia with Lewy bodies (DLB) as a function of relevant ... -
Abnormalities of resting-state functional cortical connectivity in patients with dementia due to alzheimer's and lewy body diseases: An EEG study
Babiloni, Claudio; del Percio, Claudio; Lizio, Roberta; Noce, Giuseppe; Lopez, Susanna; Soricelli, Andrea; Ferri, Raffaele; Nobili, Flavio; Arnaldi, Dario; Fama, Francesco; Aarsland, Dag; Orzi, Francesco; Buttinelli, Carla; Giubilei, Franco; Onofrj, Marco; Stocchi, Fabrizio; Stirpe, Paola; Fuhr, Peter; Gschwandtner, Ute; Ransmayr, Gerhard; Garn, Heinrich; Fraioli, Lucia; Pievani, Michela; Frisoni, Giovanni B.; D'Antonio, Fabrizia; de Lena, Carlo; Güntekin, Bahar; Hanoğlu, Lütfü; Bazar, Erol; Yener, Görsev; Emek Savaş, Derya Durusu; Triggiani, Antonio Ivano; Franciotti, Raffaella; Taylor, John Paul; Vacca, Laura; de Pandis, Maria Francesca; Bonanni, Laura (Elsevier Science Inc, 2018)Previous evidence showed abnormal posterior sources of resting-state delta (<4 Hz) and alpha (8-12 Hz) rhythms in patients with Alzheimer's disease with dementia (ADD), Parkinson's disease with dementia (PDD), and Lewy ... -
Affective pictures processing is reflected by an increased long-distance EEG connectivity
Güntekin, Bahar; Femir, Banu; Gölbaşı, Bilge Turp; Tülay, Elif; Başar, Erol (Springer, 2017)Analysis of affective picture processing by means of EEG has invaded the literature. The methodology of event-related EEG coherence is one of the essential methods used to analyze functional connectivity. The aims of the ... -
Age related differences in the recognition of facial expression: Evidence from EEG event-related brain oscillations
Aktürk, Tuba; İşoğlu-Alkaç, Ümmühan; Hanoǧlu, Lütfü; Güntekin, Bahar (Elsevier B.V., 2020)Facial Expression (FE) recognition is a major marker of emotional ability. Behavioral studies show that FE recognition ability decreases with aging. Studying how event-related brain oscillations change with normal aging ... -
Alterations of event-related oscillations in patients with parkinson's disease
Güntekin, Bahar (Elsevier, 2021)Studies on Event Related EEG Brain Oscillations presentedessential results on understanding cognitive brain function andcognitive decline in different pathologies. The present study aims toanalyze the abnormalities of ... -
Are there consistent abnormalities in event-related EEG oscillations in patients with Alzheimer's disease compared to other diseases belonging to dementia?
Güntekin, Bahar; Aktürk, Tuba; Arakaki, Xianghong; Bonanni, Laura; Del Percio, Claudio; Edelmayer, Rebecca; Farina, Francesca; Ferri, Raffaele; Hanoğlu, Lütfü; Kumar, Sanjeev; Lizio, Roberta; Lopez, Susanna; Murphy, Brian; Noce, Giuseppe; Randall, Fiona; Sack, Alexander T.; Stocchi, Fabrizio; Yener, Görsev; Yıldırım, Ebru; Babiloni, Claudio (John Wiley and Sons Inc, 2022)Cerebrospinal and structural-molecular neuroimaging in-vivo biomarkers are recommended for diagnostic purposes in Alzheimer’s disease (AD) and other dementias; however, they do not explain the effects of AD neuropathology ... -
Classification of patients with alzheimer's disease and dementia with lewy bodies using resting EEG selected features at sensor and source levels: A proof-of-concept study
San Martin, Rodrigo; J Fraga, Francisco; Del Percio, Claudio; Lizio, Roberta; Noce, Giuseppe; Nobili, Flavio; Arnaldi, Dario; D'Antonio, Fabrizia; Lena, Carlo De; Güntekin, Bahar; Hanoğlu, Lütfü; Taylor, John Paul; McKeith, Ian; Stocchi, Fabrizio; Ferri, Raffaele; Onofrj, Marco; Lopez, Susanna; Bonanni, Laura; Babiloni, Claudio (Bentham Science, 2021)Background: Early differentiation between Alzheimer's disease (AD) and Dementia with Lewy Bodies (DLB) is important for accurate prognosis, as DLB patients typically show faster disease progression. Cortical neural networks, ... -
Cognitive impairment in parkinson's disease is reflected with gradual decrease of eeg delta responses during auditory discrimination
Güntekin, Bahar; Hanoğlu, Lütfü; Güner, Dilan; Helvacı Yılmaz, Nesrin; Çadırcı, Fadime; Mantar, Nagihan; Aktürk, Tuba; Emek Savaş, Derya Durusu; Özer, Feriha; Yener, Görsev; Başar, Erol (Frontiers Media Sa, 2018)Parkinson's disease (PD) is a neurodegenerative disease that is characterized by loss of dopaminergic neurons in the substantia nigra. Mild Cognitive impairment (MCI) and dementia may come along with the disease. New ... -
Comparison of the visual and auditory event related potentials of parkinson's disease epatients with and without cognitive impairment
Güner, Dilan; İsogğlu Alkaç, Ümmühan; Aktürk, Tuba; Hanoğlu, Lütfü; Güntekin, Bahar (Wiley, 2017)Auditory event related potentials (ERPs) and visual evoked potentials (VEPs) were recorded from eight patients with Parkinson's disease, before and after a single dose of apomorphine. To assess the treatment effects, the ...
