نتایج جستجو برای: theta hyperoperation

تعداد نتایج: 13722  

Journal: :Physical review 2023

Neutrino oscillation experiments have measured precisely at few percent levels the mass-squared differences ($\mathrm{\ensuremath{\Delta}}{m}_{21}^{2}$, $\mathrm{\ensuremath{\Delta}}{m}_{31}^{2}$) of three neutrino mass eigenstates, and leptonic mixing angles (${\ensuremath{\theta}}_{12}$, ${\ensuremath{\theta}}_{13}$, ${\ensuremath{\theta}}_{23}$) by utilizing both antineutrino oscillations. T...

Journal: :Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2010
Colin Andrew George Fein

OBJECTIVE Studies have suggested that non-phase-locked event-related oscillations (ERO) in target stimulus processing might provide biomarkers of alcoholism. This study investigates the discriminatory power of non-phase-locked oscillations in a group of long-term abstinent alcoholics (LTAAs) and non-alcoholic controls (NACs). METHODS EEGs were recorded from 48 LTAAs and 48 age and gender comp...

2014
Pat Morin Sander Verdonschot

Theta graphs are important geometric graphs that have many applications, including wireless networking, motion planning, real-time animation, and minimumspanning tree construction. We give closed form expressions for the average degree of theta graphs of a homogeneous Poisson point process over the plane. We then show that essentially the same bounds—with vanishing error terms—hold for theta gr...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1984
J C Gardiner V Susarla

The paper proposes a sequential estimator theta of the parameter theta of an exponential distribution when the data are censored. It is shown that theta is asymptotically risk efficient when the loss is measured by the squared error of estimation of theta plus a linear function of the number of observations and that theta is asymptotically normal as the cost per observation goes to zero.

Journal: :Biological psychology 2014
Miriam Reiner Roman Rozengurt Anat Barnea

Consistent empirical results showed that both night and day sleep enhanced memory consolidation. In this study we explore processes of consolidation of memory during awake hours. Since theta oscillations have been shown to play a central role in exchange of information, we hypothesized that elevated theta during awake hours will enhance memory consolidation. We used a neurofeedback protocol, to...

Journal: :Hippocampus 1998
A Kamondi L Acsády X J Wang G Buzsáki

Theta frequency field oscillation reflects synchronized synaptic potentials that entrain the discharge of neuronal populations within the approximately 100-200 ms range. The cellular-synaptic generation of theta activity in the hippocampus was investigated by intracellular recordings from the somata and dendrites of CA1 pyramidal cells in urethane-anesthetized rats. The recorded neurons were ve...

Journal: :American journal of physiology. Renal physiology 2000
E R Zakaria J Lofthouse M F Flessner

A major factor that affects solute and water transport through tissue is the state of tissue hydration. The amount of interstitial water directly affects the transport coefficients for both diffusion and convection. To investigate the effect of simultaneous exposure of tissue to hydrostatic and osmotic pressures on the state of tissue hydration and the pattern of distribution of tissue water, w...

Journal: :Perception 1993
D Stewart C J Cudworth J R Lishman

The approach of an object can be monitored from its optic flow. More specifically, it has been postulated that time-to-collision at constant velocity is perceived by relating visual angle theta to its rate of change theta, time-to-collision being theta/theta. This hypothesis is reappraised, and an alternative based on the parameters theta and angular acceleration theta is proposed. The expressi...

Journal: :Brain : a journal of neurology 2014
Cheng-Ta Li Mu-Hong Chen Chi-Hung Juan Hsiang-Hsuan Huang Li-Fen Chen Jen-Chuen Hsieh Pei-Chi Tu Ya-Mei Bai Shin-Jen Tsai Ying-Chiao Lee Tung-Ping Su

Theta-burst transcranial magnetic stimulation could modulate cortical excitability and has the potential to treat refractory depression. However, there has been a lack of large randomized studies of the antidepressant efficacy of different forms of theta-burst stimulation, such as intermittent and continuous theta-burst stimulation. A randomized sham-controlled study was conducted to investigat...

Journal: :The Journal of Experimental Medicine 1973
John D. Stobo Alan S. Rosenthal William E. Paul

An appreciable percent (3-14%) of the lymphocyte-like cells of the mouse spleen lack both the theta-isoantigen and sufficient surface immunoglobulin to be detected by conventional immunofluorescence or autoradiographic procedures. These theta(-),Ig(-) cells are increased in frequency after treatment of mice with antithymocyte serum or in mice that have been thymectomized, irradiated (850 R), an...

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