Yazar "Güntekin, Bahar" için İMÜ Meslek Yüksekokulu listeleme
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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 ... -
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 ... -
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 ... -
Delta oscillatory responses as a general electrophysiological biomarker for cognitive disorders
Güntekin, Bahar; Hanoğlu, Lütfü; Aktürk, Tuba; Güner, Dilan; Turp-Gölbaşı, Bilge; Yener, Görsev; Başar, Erol (Elsevier Science Bv, 2016)Background: In the last decade research on delta oscillatoryresponses invaded the literature. One of thefirst research on thisarea showed that delta responses increase upon cognitive load(Başar and Stampfer 1985). After ... -
The difference of mild cognitive impairment in Parkinson's disease from amnestic mild cognitive impairment: Deeper power decrement and no phase-locking in visual event-related responses
Yener, Görsev G.; Fide, Ezgi; Özbek, Yağmur; Emek Savaş, Derya Durusu; Aktürk, Tuba; Çakmur, Raif; Güntekin, Bahar (Elsevier Science Bv, 2019)Event-related oscillatory responses reflect the cognitive status in many neuropsychiatric conditions including mild cognitive impairment (MCI). In this study, a total of 30 patients with amnestic MCI (aMCI) and 25 patients ... -
Electrophysiological evidence of altered facial expressions recognition in Alzheimer's disease: A comprehensive ERP study
Fide, Ezgi; Ekmek Savaş, Derya Durusu; Aktürk, Tuba; Güntekin, Bahar; Hanoğlu, Lütfü; Yener, Görsev G. (Elsevier Ireland Ltd, 2019)Objectives: The present study aims to evaluate the amplitude and latency of event-related potentials (ERPs) P100, N170, VPP and N230 in individuals with Alzheimer's disease (AD) compared to healthy elderly controls, using ... -
Event-related delta and theta responses may reflect the valence discrimination in the emotional oddball task
Bölükbaş, Burcu; Aktürk, Tuba; Ardalı, Hilal; Dündar, Yasemin; Güngör, Ceren; Kahveci, Şaika; Güntekin, Bahar (Springer Science and Business Media Deutschland GmbH, 2023)How emotion and cognition interact is still a matter of debate. Investigation of this interaction in terms of the brain oscillatory dynamics appears to be an essential approach. To investigate this topic, we designed two ... -
Event-related EEG oscillatory responses elicited by dynamic facial expression
Aktürk, Tuba; de Graaf, Tom A.; Abra, Yasemin; Şahoğlu Göktaş, Sevilay; Özkan, Dilek; Kula, Aysun; Güntekin, Bahar (BMC, 2021)Background Recognition of facial expressions (FEs) plays a crucial role in social interactions. Most studies on FE recognition use static (image) stimuli, even though real-life FEs are dynamic. FE processing is complex and ... -
Immature event-related alpha dynamics in children compared with the young adults during inhibition shown by day-night stroop task
Güntekin, Bahar; Alptekin, Simay; Yıldırım, Ebru; Aktürk, Tuba; Uzunlar, Hakan; Çalışoğlu, Pervin; Eroğlu Ada, Figen; Atay, Enver; Ceran, Ömer (Frontiers Media SA, 2023)Introduction: Inhibitory control develops gradually from infancy to childhood and improves further during adolescence as the brain matures. Related previous studies showed the indispensable role of task-related alpha power ... -
Impairment in recognition of emotional facial expressions in Alzheimer's disease is represented by EEG theta and alpha responses
Güntekin, Bahar; Hanoǧlu, Lütfü; Aktürk, Tuba; Ruşen, Ece; Yıldırım, Ebru; Yener, Görsev (Blackwell Publishing Inc., 2019)Behavioral studies have shown that the recognition of facial expressions may be impaired in patients with Alzheimer's disease (AD). The identification and recognition of a facial expression might be represented by event-related ... -
Lower oddball event-related EEG delta and theta responses in patients with dementia due to Parkinson's and Lewy body than Alzheimer's disease
Yıldırım, Ebru; Aktürk, Tuba; Hanoğlu, Lütfü; Yener, Görsev; Babiloni, Claudio; Güntekin, Bahar (Elsevier Inc., 2024)Oddball task-related EEG delta and theta responses are associated with frontal executive functions, which are significantly impaired in patients with dementia due to Parkinson's disease (PDD) and Lewy bodies (DLB). The ... -
Oscillatory delta and theta frequencies differentially support multiple items encoding to optimize memory performance during the digit span task
Aktürk, Tuba; de Graaf, Tom A.; Erdal, Furkan; Sack, Alexander T.; Güntekin, Bahar (Academic Press Inc., 2022)The human brain has limited storage capacity often challenging the encoding and recall of a long series of multiple items. Different encoding strategies are therefore employed to optimize performance in memory processes ... -
Reconstructing brain functional networks through identifiability and deep learning
Zanin, Massimiliano; Aktürk, Tuba; Yıldırım, Ebru; Yerlikaya, Deniz; Yener, Görsev; Güntekin, Bahar (MIT Press Journals, 2024)We propose a novel approach for the reconstruction of functional networks representing brain dynamics based on the idea that the coparticipation of two brain regions in a common cognitive task should result in a drop in ... -
Resting state alpha electroencephalographic rhythms are affected by sex in cognitively unimpaired seniors and patients with alzheimer's disease and amnesic mild cognitive impairment: A retrospective and exploratory study
Babiloni, Claudio; Noce, Giuseppe; Ferri, Raffaele; Lizio, Roberta; Lopez, Susanna; Lorenzo, Ivan; Tucci, Federico; Soricelli, Andrea; Zurrón, Montserrat; Díaz, Fernando; Nobili, Flavio; Arnaldi, Dario; Famà, Francesco; Buttinelli, Carla; Giubilei, Franco; Cipollini, Virginia; Marizzoni, Moira; Güntekin, Bahar; Yıldırım, Ebru; Hanoğlu, Lütfü; Yener, Görsev; Hünerli Gündüz, Duygu; Onorati, Paolo; Stocchi, Fabrizio; Vacca, Laura; Maestú, Fernando; Frisoni, Giovanni B.; del Percio, Claudio (Oxford University Press Inc, 2022)In the present retrospective and exploratory study, we tested the hypothesis that sex may affect cortical sources of resting state eyes-closed electroencephalographic (rsEEG) rhythms recorded in normal elderly (Nold) seniors ... -
Telling functional networks apart using ranked network features stability
Zanin, Massimiliano; Güntekin, Bahar; Aktürk, Tuba; Yıldırım, Ebru; Yener, Görsev; Kıyı, İlayda; Hünerli Gündüz, Duygu; Sequeira, Henrique; Papo, David (NLM (Medline), 2022)Over the past few years, it has become standard to describe brain anatomical and functional organisation in terms of complex networks, wherein single brain regions or modules and their connections are respectively identified ... -
Theta and alpha oscillatory responses differentiate between six-to seven-year-old children and adults during successful visual and auditory memory encoding
Güntekin, Bahar; Uzunlar, Hakan; Çalışoğlu, Pervin; Eroğlu-Ada, Figen; Yıldırım, Ebru; Aktürk, Tuba; Atay, Enver; Ceran, Ömer (Elsevier, 2020)The healthy maturation of the brain is one of the intriguing topics that need to be investigated to understand human brain and child development. The present study aimed to investigate the development of memory processes ... -
Time irreversibility of resting-state activity in the healthy brain and pathology
Zanin, Massimiliano; Güntekin, Bahar; Aktürk, Tuba; Hanoǧlu, Lütfü; Papo, David (Frontiers Media S.A., 2020)Characterizing brain activity at rest is of paramount importance to our understanding both of general principles of brain functioning and of the way brain dynamics is affected in the presence of neurological or psychiatric ... -
Treatment effects on event-related EEG potentials and oscillations in Alzheimer's disease
Yener, Görsev; Hünerli Gündüz, Duygu; Yıldırım, Ebru; Aktürk, Tuba; Başar Eroğlu, Canan; Bonanni, Laura; Del Percio, Claudio; Farina, Francesca; Ferri, Raffaele; Güntekin, Bahar; Hajós, Mihály; Ibáñez, Agustín; Jiang, Yang; Lizio, Roberta; Lopez, Susanna; Noce, Giuseppe; Parra, Mario A.; Randall, Fiona; Stocchi, Fabrizio; Babiloni, Claudio (Elsevier B.V., 2022)Alzheimer's disease dementia (ADD) is the most diffuse neurodegenerative disorder belonging to mild cognitive impairment (MCI) and dementia in old persons. This disease is provoked by an abnormal accumulation of amyloid-beta ...