User profiles for T. Demiralp

Tamer Demiralp

İstanbul Üniversitesi, İstanbul Tıp Fakültesi, Fizyoloji Anabilim Dalı
Verified email at istanbul.edu.tr
Cited by 7097

Human EEG gamma oscillations in neuropsychiatric disorders

CS Herrmann, T Demiralp - Clinical neurophysiology, 2005 - Elsevier
… Tamer Demiralp's stay in Magdeburg (Germany) during the preparation of this manuscript
was supported by the Alexander von Humboldt Foundation. We want to thank Stefanie Junge …

P300-response: possible psychophysiological correlates in delta and theta frequency channels. A review

C Başar-Eroglu, E Başar, T Demiralp… - International journal of …, 1992 - Elsevier
The present paper combines a review of event-related potentials (ERPs) with empirical data
concerning the question: what are the differences between auditory evoked potentials (EPs) …

Wavelet analysis of oddball P300

T Demiralp, A Ademoglu, Y Istefanopulos… - International journal of …, 2001 - Elsevier
The comparative wavelet analysis presented in details by Demiralp et al. (1999), Ademoglu (1995)
and by Başar et al. (2001) will be now applied to oddball P300 results (see Başar-…

Alpha rhythm of the EEG modulates visual detection performance in humans

T Ergenoglu, T Demiralp, Z Bayraktaroglu… - Cognitive brain …, 2004 - Elsevier
The effects of the changes in the frequency spectrum of the electroencephalogram (EEG) on
the perception of near-threshold visual stimuli and on the event-related potentials (ERPs) …

Comparative analysis of event-related potentials during Go/NoGo and CPT: decomposition of electrophysiological markers of response inhibition and sustained …

…, H Gurvit, YH Keskin, M Emre, T Demiralp - Brain research, 2006 - Elsevier
Neuropsychological tests target specific cognitive functions; however, numerous cognitive
subcomponents are involved in each test. The aim of this study was to decompose the …

Gamma amplitudes are coupled to theta phase in human EEG during visual perception

T Demiralp, Z Bayraktaroglu, D Lenz, S Junge… - International journal of …, 2007 - Elsevier
Human subjects typically keep about seven items (plus or minus two) in short-term memory (STM).
A theoretical neuronal model has been proposed to explain this phenomenon with …

Classification of electroencephalogram signals with combined time and frequency features

Z Iscan, Z Dokur, T Demiralp - Expert Systems with Applications, 2011 - Elsevier
Epilepsy is a neurological disorder that causes people to have seizures and the main
application field of electroencephalography. In this study, combined time and frequency features …

Wavelet analysis of P3a and P3b

T Demiralp, A Ademoglu, M Comerchero, J Polich - Brain topography, 2001 - Springer
… Correspondence and reprint requests should be addressed to: T. Demiralp, Dept. of
Physiology, Istanbul Faculty of Medicine, University of Istanbul, 34390 Capa-Istanbul, Turkey. Fax: …

Time–frequency analysis reveals multiple functional components during oddball P300

V Kolev, T Demiralp, J Yordanova, A Ademoglu… - …, 1997 - journals.lww.com
A time–frequency decomposition was applied to rare target and frequent non-target event-related
potentials (ERPs) elicited in an oddball condition to assess whether multiple functional …

Cognitive impairment in amyotrophic lateral sclerosis: evidence from neuropsychological investigation and event-related potentials

…, S Karamursel, HA Idrisoglu, M Emre, T Demiralp - Cognitive Brain …, 2002 - Elsevier
The presence of subclinical cognitive impairment in patients with amyotrophic lateral sclerosis
(ALS) is investigated using neuropsychological assessment and event-related potential …