Erol Basar

Summary

Affiliation: Dokuz Eylul University
Country: Turkey

Publications

  1. ncbi request reprint Event-related oscillations are 'real brain responses'--wavelet analysis and new strategies
    E Basar
    Institute of Physiology, Medical University Lubeck, Ratzeburger Allee 160, 23538, Lubeck, Germany
    Int J Psychophysiol 39:91-127. 2001
  2. ncbi request reprint The theory of the whole-brain-work
    Erol Basar
    Dokuz Eylul University, Brain Dynamics Multidisciplinary Research Center and Faculty of Medicine Department of Biophysics, Balcova, Izmir, Turkey
    Int J Psychophysiol 60:133-8. 2006
  3. ncbi request reprint A breakthrough in neuroscience needs a "Nebulous Cartesian System" Oscillations, quantum dynamics and chaos in the brain and vegetative system
    Erol Basar
    Istanbul Kultur University, Faculty of Science and Letters, Turkey
    Int J Psychophysiol 64:108-22. 2007
  4. ncbi request reprint Memory as the "whole brain work": a large-scale model based on "oscillations in super-synergy"
    Erol Basar
    Department of Biophysics, Brain Dynamics Multidisciplinary Research Center and Faculty of Medicine, Dokuz Eylul University, 35340, Balcova, Izmir, Turkey
    Int J Psychophysiol 58:199-226. 2005
  5. ncbi request reprint What is the place of Psychophysiology in the Interdisciplinary Sciences? Welcoming address of the Vice-President (Academic Affairs) at the Opening Ceremonies of the 12th World Congress of Psychophysiology, I.O.P. 2004
    Erol Basar
    Department of Biophysics, Dokuz Eylul University, Brain Dynamics Multidisciplinary Research Center and Faculty of Medicine, 35340, Balcova, Izmir, Turkey
    Int J Psychophysiol 58:117-8. 2005
  6. ncbi request reprint Principles of oscillatory brain dynamics and a treatise of recognition of faces and facial expressions
    Erol Basar
    Faculty of Science and Letters, Istanbul Kultur University, Istanbul Turkey
    Prog Brain Res 159:43-62. 2006
  7. ncbi request reprint Gamma, alpha, delta, and theta oscillations govern cognitive processes
    E Basar
    Institute of Physiology, Medical University Lubeck, 23538, Lubeck, Germany
    Int J Psychophysiol 39:241-8. 2001
  8. ncbi request reprint Selectively distributed gamma band system of the brain
    E Basar
    Institute of Physiology, Medical University Lubeck, 23538, Lubeck, Germany
    Int J Psychophysiol 39:129-35. 2001
  9. ncbi request reprint Brain oscillations differentiate the picture of one's own grandmother
    Erol Basar
    Istanbul Kultur University, Faculty of Science and Letters, Istanbul, Turkey TUBITAK Brain Dynamics Multidisciplinary Research Network, Ankara, Turkey
    Int J Psychophysiol 64:81-90. 2007
  10. ncbi request reprint Beta oscillations in face recognition
    Murat Ozgoren
    Brain Dynamics Multidisciplinary Research Center and Faculty of Medicine, Department of Biophysics, Dokuz Eylul University, Izmir 35340, Turkey
    Int J Psychophysiol 55:51-9. 2005

Detail Information

Publications32

  1. ncbi request reprint Event-related oscillations are 'real brain responses'--wavelet analysis and new strategies
    E Basar
    Institute of Physiology, Medical University Lubeck, Ratzeburger Allee 160, 23538, Lubeck, Germany
    Int J Psychophysiol 39:91-127. 2001
    ..The frequency components of the event-related potential vary independently of each other with respect to: (a) their relation to the event; (b) their topographic distribution; and (c) with the mode of the physiological measurements...
  2. ncbi request reprint The theory of the whole-brain-work
    Erol Basar
    Dokuz Eylul University, Brain Dynamics Multidisciplinary Research Center and Faculty of Medicine Department of Biophysics, Balcova, Izmir, Turkey
    Int J Psychophysiol 60:133-8. 2006
    ..The theory claims that the reentry and the dynamic behavior of oscillations during the reciprocal activation in APLR-alliance are among the causal factors for brain dynamics and for cognition...
  3. ncbi request reprint A breakthrough in neuroscience needs a "Nebulous Cartesian System" Oscillations, quantum dynamics and chaos in the brain and vegetative system
    Erol Basar
    Istanbul Kultur University, Faculty of Science and Letters, Turkey
    Int J Psychophysiol 64:108-22. 2007
    ..This new Cartesian System will undergo mutations and transcend to the philosophy of Henri Bergson in parallel to the Evolution theory of Charles Darwin to open gateways for approaching the brain-body-mind problem...
  4. ncbi request reprint Memory as the "whole brain work": a large-scale model based on "oscillations in super-synergy"
    Erol Basar
    Department of Biophysics, Brain Dynamics Multidisciplinary Research Center and Faculty of Medicine, Dokuz Eylul University, 35340, Balcova, Izmir, Turkey
    Int J Psychophysiol 58:199-226. 2005
    ..9. A link from the "whole brain" to "whole body," and incorporation of vegetative and neurological system, is proposed, EEG oscillations and ultraslow oscillations being a control parameter...
  5. ncbi request reprint What is the place of Psychophysiology in the Interdisciplinary Sciences? Welcoming address of the Vice-President (Academic Affairs) at the Opening Ceremonies of the 12th World Congress of Psychophysiology, I.O.P. 2004
    Erol Basar
    Department of Biophysics, Dokuz Eylul University, Brain Dynamics Multidisciplinary Research Center and Faculty of Medicine, 35340, Balcova, Izmir, Turkey
    Int J Psychophysiol 58:117-8. 2005
  6. ncbi request reprint Principles of oscillatory brain dynamics and a treatise of recognition of faces and facial expressions
    Erol Basar
    Faculty of Science and Letters, Istanbul Kultur University, Istanbul Turkey
    Prog Brain Res 159:43-62. 2006
    ..Only a new metrics embracing all these parameters can be representative for dynamics of functionality in the brain. The conceptual aspects of this new scope are explained in the presented theory...
  7. ncbi request reprint Gamma, alpha, delta, and theta oscillations govern cognitive processes
    E Basar
    Institute of Physiology, Medical University Lubeck, 23538, Lubeck, Germany
    Int J Psychophysiol 39:241-8. 2001
    ..Thus, oscillatory processes might play a major role in functional communication in the brain in relation to memory and integrative functions...
  8. ncbi request reprint Selectively distributed gamma band system of the brain
    E Basar
    Institute of Physiology, Medical University Lubeck, 23538, Lubeck, Germany
    Int J Psychophysiol 39:129-35. 2001
    ..These results support the hypothesis of a selectively distributed gamma system of the brain...
  9. ncbi request reprint Brain oscillations differentiate the picture of one's own grandmother
    Erol Basar
    Istanbul Kultur University, Faculty of Science and Letters, Istanbul, Turkey TUBITAK Brain Dynamics Multidisciplinary Research Network, Ankara, Turkey
    Int J Psychophysiol 64:81-90. 2007
    ..Furthermore, the results are in conceptual accordance with the "selectively distributed processing" hypothesis...
  10. ncbi request reprint Beta oscillations in face recognition
    Murat Ozgoren
    Brain Dynamics Multidisciplinary Research Center and Faculty of Medicine, Department of Biophysics, Dokuz Eylul University, Izmir 35340, Turkey
    Int J Psychophysiol 55:51-9. 2005
    ..Together with the scope of other frequencies (e.g., delta, theta, and alpha), this method can serve as a tool for research studies or clinical studies in memory and cognition...
  11. doi request reprint Facial affect manifested by multiple oscillations
    Bahar Güntekin
    Brain Dynamics, Cognition and Complex Systems Research Unit, Istanbul Kultur University, Faculty of Science and Letters, Istanbul Turkey
    Int J Psychophysiol 71:31-6. 2009
    ..Assessment of topologically distributed multiple oscillations opens a new avenue for understanding of the electrophysiology of recognition of "faces" and "facial expressions"...
  12. doi request reprint Disturbance in long distance gamma coherence in bipolar disorder
    Aysegul Ozerdem
    Department of Psychiatry, Dokuz Eylul University Medical School, Izmir, Turkey
    Prog Neuropsychopharmacol Biol Psychiatry 34:861-5. 2010
    ....
  13. doi request reprint Event-related beta oscillations are affected by emotional eliciting stimuli
    Bahar Güntekin
    Istanbul Kultur University, Brain Dynamics, Cognition and Complex Systems Research Center, Istanbul, Turkey
    Neurosci Lett 483:173-8. 2010
    ..Accordingly, beta responses to negative emotions are possibly a common phenomenon. The standardization of luminance in pictures may reduce divergences between results from different laboratories...
  14. doi request reprint Brain oscillations evoked by the face of a loved person
    Erol Basar
    Brain Dynamics, Cognition and Complex Systems Research Unit, Istanbul Kultur University, Faculty of Science and Letters, Ataköy Kampüsü, Bakirköy 34156 Istanbul, Turkey
    Brain Res 1214:105-15. 2008
    ..The findings and their interpretations are discussed within the framework of event-related oscillations and complex stimulus processing emphasizing the concept of dynamic localization...
  15. doi request reprint Evoked and event related coherence of Alzheimer patients manifest differentiation of sensory-cognitive networks
    Erol Basar
    Brain Dynamics, Cognition and Complex Systems Research Center, Istanbul Kultur University, Istanbul 34156, Turkey
    Brain Res 1357:79-90. 2010
    ..01). The cognitive networks of AD patients were highly impaired in comparison to networks activated by sensory stimulation, thus showing separate activation of sensory and cognitive networks...
  16. doi request reprint A short review of alpha activity in cognitive processes and in cognitive impairment
    Erol Basar
    Brain Dynamics, Cognition and Complex Systems Research Center, Istanbul Kultur University, Istanbul, Turkey
    Int J Psychophysiol 86:25-38. 2012
    ..In turn, in the near future, these reasonings and suggestions may serve (or are indispensable to serve) as fundaments of more general and tenable hypotheses on the genesis and function of "alphas"...
  17. ncbi request reprint Emotional face expressions are differentiated with brain oscillations
    Bahar Güntekin
    Istanbul Kultur University, Faculty of Science and Letters, Istanbul, Turkey TUBITAK BAYG, Ankara, Turkey
    Int J Psychophysiol 64:91-100. 2007
    ..Furthermore, frontal, temporal, parietal and occipital lobes seem to be involved in processing of facial expressions, as reflected in an ensemble of different frequency brain oscillatory responses distributed over the scalp...
  18. doi request reprint Reduced long distance gamma (28-48 Hz) coherence in euthymic patients with bipolar disorder
    Aysegul Ozerdem
    Department of Psychiatry, Dokuz Eylul University Medical School, Izmir, Turkey
    J Affect Disord 132:325-32. 2011
    ..Synchronous neural gamma oscillations are critical for cortico-cortical communication and large-scale integration of distributed sets of neurons. We investigated long distance gamma (28-48 Hz) coherence in bipolar disorder...
  19. ncbi request reprint Gender differences influence brain's beta oscillatory responses in recognition of facial expressions
    Bahar Güntekin
    Brain Dynamics, Cognition and Complex Systems Research Unit, Istanbul Kultur University, Faculty of Science and Letters, Istanbul, Turkey
    Neurosci Lett 424:94-9. 2007
    ..Accordingly, the results indicate the necessity of introducing standardization between male and female subjects by means of oscillatory dynamics. In turn, this standardization may be useful for cognitive and clinical studies...
  20. doi request reprint Oscillations in "brain-body-mind"--a holistic view including the autonomous system
    Erol Basar
    Istanbul Kultur University, Brain Dynamics, Cognition and Complex Systems Research Unit, Faculty of Science and Letters, Atakoy Campus, Bakirköy 34156 Istanbul, Turkey
    Brain Res 1235:2-11. 2008
    ....
  21. doi request reprint A comparative analysis of sensory visual evoked oscillations with visual cognitive event related oscillations in Alzheimer's disease
    Gorsev G Yener
    Brain Dynamics Multidisciplinary Research Center, Departments of Neurology and Neurosciences, Dokuz Eylul University, Izmir 35340, Turkey
    Neurosci Lett 462:193-7. 2009
    ..These differences between the visual evoked oscillations and the visual event related oscillations imply that there are at least two different cognitive circuits that are activated upon visual stimuli in AD patients...
  22. ncbi request reprint Brain oscillations are highly influenced by gender differences
    Bahar Güntekin
    Istanbul Kultur University, Brain Dynamics, Cognition and Complex Systems Research Unit, Faculty of Science and Letters, Istanbul, Turkey
    Int J Psychophysiol 65:294-9. 2007
    ..These gender differences were most pronounced over the electrode site O(2), that is, over primary visual areas. It is suggested that this study might serve as a standard to investigate gender differences in electrophysiology...
  23. doi request reprint Prolongation of alpha oscillations in auditory oddball paradigm
    Adile Oniz
    Dokuz Eylul University, Faculty of Medicine, Department of Biophysics, 35340 Izmir, Turkey
    Int J Psychophysiol 71:235-41. 2009
    ..Alpha prolongation is a significant component of P300 responses. It can be suggested that the cognitive load dependency of alpha responses upon the targets could be related to working memory...
  24. ncbi request reprint Spatio-temporal frequency characteristics of intersensory components in audiovisually evoked potentials
    Oliver Werner Sakowitz
    Institute of Physiology, Medical University Lubeck, 23538 Lubeck, Germany
    Brain Res Cogn Brain Res 23:316-26. 2005
    ..These findings add further support to current model views of oscillatory activity in selectively distributed networks...
  25. doi request reprint A review of alpha activity in integrative brain function: fundamental physiology, sensory coding, cognition and pathology
    Erol Basar
    Brain Dynamics, Cognition and Complex Systems Research Center, Istanbul Kultur University, Istanbul, Turkey
    Int J Psychophysiol 86:1-24. 2012
    ..The present review and the companion review aim to constitute an ensemble of "reasonings and suggestions" to understand alpha oscillations based on a wide range of accumulated findings rather than a trial to launch a new "alpha theory"...
  26. doi request reprint A review of brain oscillations in cognitive disorders and the role of neurotransmitters
    Erol Basar
    Istanbul Kultur University, Brain Dynamics, Cognition and Complex Systems Research Unit, Faculty of Science and Letters, Atakoy Campus, Bakirköy 34156 Istanbul, Turkey
    Brain Res 1235:172-93. 2008
    ..Furthermore, the effects of pharmaca and the influence of neurotransmitters in patients with cognitive disorders are also reviewed. Following the review, a short synopsis is given related to the analysis of brain oscillations...
  27. doi request reprint Brain oscillatory responses in patients with bipolar disorder manic episode before and after valproate treatment
    Aysegul Ozerdem
    Department of Psychiatry, Dokuz Eylul University Medical School, Izmir Turkey
    Brain Res 1235:98-108. 2008
    ..Event related oscillatory neuroelectrical activity reflects integrative brain functioning, different frequency bands representing different cognitive functions...
  28. doi request reprint Darwin's evolution theory, brain oscillations, and complex brain function in a new "Cartesian view"
    Erol Basar
    Brain Dynamics, Cognition and Complex Systems Research Unit, Istanbul Kultur University, Faculty of Science and Letters, Istanbul, Turkey
    Int J Psychophysiol 71:2-8. 2009
    ..An overarching statement on the alpha function is presented by extended analyzes with multiple dimensions that constitute a "Cartesian Hyperspace" as the basis for oscillatory function. Theoretical implications are considered...
  29. ncbi request reprint Neuroscience is awaiting for a breakthrough: an essay bridging the concepts of Descartes, Einstein, Heisenberg, Hebb and Hayek with the explanatory formulations in this special issue
    Erol Basar
    Dokuz Eylül University Brain Dynamics Multidisciplinary Research Center and Faculty of Medicine Department of Biophysics, Izmir, Turkey
    Int J Psychophysiol 60:194-201. 2006
    ..The genetic approach to the functional dynamics of the brain/body-mind, where the oscillatory responses were found to be laws of brain activity, is presented in this volume as one of the most recent perspectives of neuroscience...
  30. doi request reprint Event related oscillations in euthymic patients with bipolar disorder
    Aysegul Ozerdem
    Department of Psychiatry, Dokuz Eylul University Medical School, Narlidere, 35340, Izmir, Turkey
    Neurosci Lett 444:5-10. 2008
    ..Reduction of the electrical activity of the left frontal and bilateral anterior temporal areas with treatment may be through modulation of glutamatergic and GABAergic mechanisms and indicative of valproate's neuroprotective effect...
  31. ncbi request reprint Models and theories of brain function in cognition within a framework of behavioral cognitive psychology
    Sirel Karakas
    Hacettepe University Specialization Area of Experimental Psychology and Cognitive Psychophysiology Research Unit, Beytepe, Ankara, Turkey
    Int J Psychophysiol 60:186-93. 2006
    ..The article points out that a frontier in cognitive psychophysiology would be the study of the genetics of brain oscillations...
  32. pmc A new interpretation of P300 responses upon analysis of coherences
    Bahar Güntekin
    Brain Dynamics, Cognition and Complex Systems Research Center, Istanbul Kultur University, Istanbul, Turkey
    Cogn Neurodyn 4:107-18. 2010
    ..This analysis open the way for a new interpretation of dynamic localization results during cognitive tasks...