Search Results - "Ujma, Péter P"

Thalamic activity during scalp slow waves in humans by Ujma, Péter P., Szalárdy, Orsolya, Fabó, Dániel, Erőss, Loránd, Bódizs, Róbert

“…Slow waves are major pacemakers of NREM sleep oscillations. While slow waves themselves are mainly generated by cortical neurons, it is not clear what role…”
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Daily rhythms, light exposure and social jetlag correlate with demographic characteristics and health in a nationally representative survey by Ujma, Péter P., Horváth, Csenge G., Bódizs, Róbert

“…The timing of daily activity in humans have been associated with various demographic and health-related factors, but the possibly complex patterns of…”
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Fundamentals of sleep regulation: Model and benchmark values for fractal and oscillatory neurodynamics by Bódizs, Róbert, Schneider, Bence, Ujma, Péter P., Horváth, Csenge G., Dresler, Martin, Rosenblum, Yevgenia

“…Homeostatic, circadian and ultradian mechanisms play crucial roles in the regulation of sleep. Evidence suggests that ratios of low-to-high frequency power in…”
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Multivariate prediction of cognitive performance from the sleep electroencephalogram by Ujma, Péter P., Bódizs, Róbert, Dresler, Martin, Simor, Péter, Purcell, Shaun, Stone, Katie L., Yaffe, Kristine, Redline, Susan

“…•We use a cross-validated method to predict cognitive performance from sleep EEG features.•Up to 10% of cognition variance is accounted for by sleep EEG…”
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The relationship between chronotype and intelligence: the importance of work timing by Ujma, Péter P., Baudson, Tanja G., Bódizs, Róbert, Dresler, Martin

“…Sleep-wake patterns show substantial biological determination, but they are also subject to individual choice and societal pressure. Some evidence suggests…”
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Overnight dynamics in scale-free and oscillatory spectral parameters of NREM sleep EEG by G. Horváth, Csenge, Szalárdy, Orsolya, Ujma, Péter P., Simor, Péter, Gombos, Ferenc, Kovács, Ilona, Dresler, Martin, Bódizs, Róbert

“…Unfolding the overnight dynamics in human sleep features plays a pivotal role in understanding sleep regulation. Studies revealed the complex reorganization of…”
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Individual slow-wave morphology is a marker of aging by Ujma, Péter P., Simor, Péter, Steiger, Axel, Dresler, Martin, Bódizs, Róbert

“…Slow-wave activity is a hallmark of deep non-rapid eye movement sleep. Scalp slow wave morphology is stereotypical and it is highly correlated with the…”
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Sleep Spindles and Intelligence in Early Childhood-Developmental and Trait-Dependent Aspects by Ujma, Péter P, Sándor, Piroska, Szakadát, Sára, Gombos, Ferenc, Bódizs, Róbert

“…Sleep spindles act as a powerful marker of individual differences in cognitive ability. Sleep spindle parameters correlate with both age-related changes in…”
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The sleep EEG envelope is a novel, neuronal firing-based human biomarker by Ujma, Péter P., Dresler, Martin, Simor, Péter, Fabó, Dániel, Ulbert, István, Erőss, Loránd, Bódizs, Róbert

“…Sleep EEG reflects voltage differences relative to a reference, while its spectrum reflects its composition of various frequencies. In contrast, the envelope…”
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Scale-free and oscillatory spectral measures of sleep stages in humans by Schneider, Bence, Szalárdy, Orsolya, Ujma, Péter P., Simor, Péter, Gombos, Ferenc, Kovács, Ilona, Dresler, Martin, Bódizs, Róbert

“…Power spectra of sleep electroencephalograms (EEG) comprise two main components: a decaying power-law corresponding to the aperiodic neural background…”
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Sleep spindling and fluid intelligence across adolescent development: sex matters by Bódizs, Róbert, Gombos, Ferenc, Ujma, Péter P, Kovács, Ilona

“…Evidence supports the intricate relationship between sleep electroencephalogram (EEG) spindling and cognitive abilities in children and adults. Although sleep…”
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Nap sleep spindle correlates of intelligence by Ujma, Péter P., Bódizs, Róbert, Gombos, Ferenc, Stintzing, Johannes, Konrad, Boris N., Genzel, Lisa, Steiger, Axel, Dresler, Martin

“…Sleep spindles are thalamocortical oscillations in non-rapid eye movement (NREM) sleep, that play an important role in sleep-related neuroplasticity and…”
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Anxiety and depression among infertile women: a cross-sectional survey from Hungary by Lakatos, Enikő, Szigeti, Judit F, Ujma, Péter P, Sexty, Réka, Balog, Piroska

“…Infertility is often associated with a chronic state of stress which may manifest itself in anxiety-related and depressive symptoms. The aim of our study is to…”
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A set of composite, non-redundant EEG measures of NREM sleep based on the power law scaling of the Fourier spectrum by Bódizs, Róbert, Szalárdy, Orsolya, Horváth, Csenge, Ujma, Péter P., Gombos, Ferenc, Simor, Péter, Pótári, Adrián, Zeising, Marcel, Steiger, Axel, Dresler, Martin

“…Features of sleep were shown to reflect aging, typical sex differences and cognitive abilities of humans. However, these measures are characterized by…”
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Sleep spindles and intelligence: evidence for a sexual dimorphism by Ujma, Péter P, Konrad, Boris Nikolai, Genzel, Lisa, Bleifuss, Annabell, Simor, Péter, Pótári, Adrián, Körmendi, János, Gombos, Ferenc, Steiger, Axel, Bódizs, Róbert, Dresler, Martin

“…Sleep spindles are thalamocortical oscillations in nonrapid eye movement sleep, which play an important role in sleep-related neuroplasticity and offline…”
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The laminar profile of sleep spindles in humans by Ujma, Péter P., Hajnal, Boglárka, Bódizs, Róbert, Gombos, Ferenc, Erőss, Loránd, Wittner, Lucia, Halgren, Eric, Cash, Sydney S., Ulbert, István, Fabó, Dániel

“…Sleep spindles are functionally important NREM sleep EEG oscillations which are generated in thalamocortical, corticothalamic and possibly cortico-cortical…”
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Sleep and intelligence: critical review and future directions by Ujma, Péter P, Bódizs, Róbert, Dresler, Martin

“…•The macrostructure of sleep has a small but consistent correlation with intelligence, with possible nonlinear effects.•Biological and social factors…”
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Sleep‐spindle frequency: Overnight dynamics, afternoon nap effects, and possible circadian modulation by Bódizs, Róbert, Horváth, Csenge G., Szalárdy, Orsolya, Ujma, Péter P., Simor, Péter, Gombos, Ferenc, Kovács, Ilona, Genzel, Lisa, Dresler, Martin

“…Summary Homeostatic and circadian processes play a pivotal role in determining sleep structure, timing, and quality. In sharp contrast with the wide…”
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Lateralized rhythmic acoustic stimulation during daytime NREM sleep enhances slow waves by Simor, Péter, Steinbach, Emilie, Nagy, Tamás, Gilson, Médhi, Farthouat, Juliane, Schmitz, Rémy, Gombos, Ferenc, Ujma, Péter P, Pamula, Miklós, Bódizs, Róbert, Peigneux, Philippe

“…Slow wave sleep (SWS) is characterized by the predominance of delta waves and slow oscillations, reflecting the synchronized activity of large cortical…”
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Sleep EEG functional connectivity varies with age and sex, but not general intelligence by Ujma, Péter P., Konrad, Boris N., Simor, Péter, Gombos, Ferenc, Körmendi, János, Steiger, Axel, Dresler, Martin, Bódizs, Róbert

“…Variations in the anatomical and functional connectivity between brain areas underlie both healthy and pathological variation in psychological measures…”
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