Browsing by Author "Başar, Erol"
Now showing items 1-20 of 125
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A breakthrough in neuroscience needs a "Nebulous Cartesian System" Oscillations, quantum dynamics and chaos in the brain and vegetative system
Başar, Erol; Güntekin, Bahar (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2007-04)The Cartesian System is a fundamental conceptual and analytical framework related and interwoven with the concept and applications of Newtonian Dynamics. In order to analyze quantum processes physicist moved to a Probabilistic ... -
A comparative analysis of sensory visual evoked oscillations with visual cognitive event related oscillations in Alzheimer's disease
Yener, Görsev G.; Güntekin, Bahar; Tülay, Elif; Başar, Erol (ELSEVIER IRELAND LTD, ELSEVIER HOUSE, BROOKVALE PLAZA, EAST PARK SHANNON, CO, CLARE, 00000, IRELAND, 2009-09-25)We compared visual evoked oscillatory responses of subjects with Alzheimer's disease (AD) (n = 22) to healthy elderly controls (n = 19) elicited by simple light stimuli. The visual evoked oscillatory responses in AD subjects ... -
A comparative study of auditory and visual event related coherences
Başar, Erol; Tülay, Elif; Turp Gölbaşı, Bilge; Güntekin, Bahar (Elsevier Science Bv, Po Box 211, 1000 Ae Amsterdam, Netherlands, 2012-09) -
A New Interpretation Of P300 Responses Upon Analysis Of Coherences
Güntekin, Bahar; Başar, Erol (Springer, Van Godewijckstraat 30, 3311 Gz Dordrecht, Netherlands, 2010-06)Previous studies on cognitive dynamics showed that oscillatory responses of P300 are composed of mainly delta and theta responses. In the present study, for the first time, the long-distance intra-hemispheric event related ... -
A Proposal to Extend Brodmann's Areas Concept to a New Model
Başar, Erol; Düzgün, Aysel; Güntekin, Bahar (Anka Publisher, 116-11 Sok No.10 K 2 D 2, Bornova, Izmir 35050, Turkey, 2014)Since the beginning of the last century, the localization of brain function is presented by Brodmann areas, or maps that are a result of anatomic organization. They are used in order to give a global idea of cortical ... -
A review of alpha activity in integrative brain function: Fundamental physiology, Sensory coding, cognition and pathology
Başar, Erol (Elsevier Science Bv, Po Box 211, 1000 Ae Amsterdam, Netherlands, 2012-10)Aim of the review: Questions related to the genesis and functional correlates of the brain's alpha oscillations around 10 Hz (Alpha) are one of the fundamental research areas in neuroscience. In recent decades, analysis ... -
A review of brain oscillations in cognitive disorders and the role of neurotransmitters
Başar, Erol; Güntekin, Bahar (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2008-10-15)The analysis of the functional correlates of "brain oscillations" has become an important branch of neuroscience. Although research on the functional correlates of brain oscillation has progressed to a high level, studies ... -
A Review of Brain Oscillations in Perception of Faces and Emotional Pictures
Güntekin, Bahar; Başar, Erol (Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford Ox5 1Gb, England, 2014-05)The differentiation of faces, facial expressions and affective pictures involves processes of higher mental activity that have considerable applications in the psychology of moods and emotions. At present, the search for ... -
A Review of Gamma Oscillations in Healthy Subjects and in Cognitive Impairment
Başar, Erol (Elsevier Science Bv, Po Box 211, 1000 Ae Amsterdam, Netherlands, 2013-11)This review describes a wide range of functional correlates of gamma oscillations in whole-brain work, in neuroethology, sensory-cognitive dynamics, emotion, and cognitive impairment. This survey opens a new window towards ... -
A short review of alpha activity In cognitive processes and in cognitive impairment
Başar, Erol; Güntekin, Bahar (Elsevier Science Bv, Po Box 211, 1000 Ae Amsterdam, Netherlands, 2012-10)Aim of the report: In the companion report (Basar, this volume), the physiological fundaments of alpha activity in integrative brain function are described. The present report is a review of the significant role of alpha ... -
Abnormal event related EEG delta coherence in Parkinson type of dementia during the visual oddball paradigm
Güntekin, Bahar; Çadırcı, Fadime; Mantar, Nagihan; Yılmaz, Nesrin; Özer, Fahriye Feriha; Hanoğlu, Lütfü; Yener, Görsev G.; Başar, Erol (Elsevier Science Bv, Po Box 211, 1000 AE Amsterdam, Netherlands, 2016-10) -
Affective pictures processing is reflected by an increased long-distance EEG connectivity
Güntekin, Bahar; Femir, Banu; Turp Gölbaşı, Bilge; Tülay, Elif; Başar, Erol (Springer, Van Godewijckstraat 30, 3311 Gz Dordrecht, Netherlands, 2017-08)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 ... -
An essay on Darwin's theory and Bergson's creative evolution in the era of neuroQuantology
Başar, Erol; Güntekin, Bahar (Anka Publisher, 116-11 Sok No.10 K 2 D 2, Bornova, Izmir 35050, Turkey, 2009)Charles Darwins's evolution theory was surveyed and analyzed by Henri Bergson in his book "Evolution Creatrice" (1907). Bergson described the importance of "intuition" and "cognitive processes" during evolution. The present ... -
Auditory Delta Event-related Oscillatory Responses are Decreased in Alzheimer's Disease
Başar, Erol; Yener, Görsev; Güntekin, Bahar; Necioğlu Örken, Dilek; Forta, H. (Ios Press, Nieuwe Hemweg 6B, 1013 Bg Amsterdam, Netherlands, 2012)Background: Visual delta event-related (ERO) and evoked oscillations (EO) of Alzheimer patients (AD) are different than healthy. In the present study, the analysis is extented to include auditory ERO and EO in AD. The ... -
Auditory event-related delta oscillatory responses are reduced and delayed in patients with mild cognitive impairment
Kurt, Pınar; Emek Savaş, Derya Durusu; Yener, Görsev; Güntekin, Bahar; Başar, Erol (Elsevier Science Bv, Po Box 211, 1000 Ae Amsterdam, Netherlands, 2012-09) -
Auditory Event-Related Delta Oscillatory Responses are Reduced in Patients with Mild Cognitive Impairment
Kurt, Pınar; Emek Savaş, Derya Durusu; Batum, Kübra; Turp Gölbaşı, Bilge; Güntekin, Bahar; Karşıdağ, Sibel; Başar, Erol; Yener, Görsev (Elsevier Science Inc, 360 Park Ave South, New York, Ny 10010-1710 Usa, 2012-04-15) -
Bergson's Intuition and Memory in View of NeuroQuantology
Başar, Erol; Güntekin, Bahar (Anka Publısher, 116-11 Sok No.10 K 2 D 2, Bornova, Izmir 35050, Turkey, 2009)This essay describes the concept of great philosopher Henri Bergson, related to episodic memory, intuition and duration. Further, the relation of "quantum theory" to Bergson's philosophy is shortly described. We discuss ... -
Best method for analysis of brain oscillations in healthy subjects and neuropsychiatric diseases
Başar, Erol; Turp Gölbaşı, Bilge; Tülay, Elif; Aydın, Serap; Başar Eroğlu, Canan (Elsevier Science Bv, Po Box 211, 1000 AE Amsterdam, Netherlands, 2016-05)The research related to brain oscillations and their connectivity is in a new take-off trend including the applications in neuropsychiatric diseases. What is the best strategy to learn about functional correlation of ... -
Beta Oscillatory Responses in Healthy Subjects and Subjects with Mild Cognitive Impairment Upon Application of Stimuli with Cognitive Load
Başar, Erol; Güntekin, Bahar; Emek, Derya Durusu; Yener, Görsev; Kurt, Pınar (Elsevier Science Inc, 360 Park Ave South, New York, Ny 10010-1710 USA, 2013-05-01)The aim of the present study was to investigate the role of beta oscillatory responses upon cognitive load in healthy subjects and in subjects with mild cognitive impairment (MCI). The role of beta oscillations upon cognitive ... -
Beyin-Beden-Zihin Etkileşiminde "Nebulöz Kartezyen Sistem"
Başar, Erol; Güntekin, Bahar (İstanbul Kültür Üniversitesi Yayınları, 2006-12)Rene Descartes 'in gelistirdigi Kartezyen Sistem "Newton 'un Dinamik Kurallari" ile ilintili ve iç içe geçmis olan temel bir kavramsal ve analitik sistemdir. Rönesans'tan itibaren modem bilimin youlunu açmistir. 20 inci ...