نتایج جستجو برای: late potentials
تعداد نتایج: 296610 فیلتر نتایج به سال:
Abstract : Najmoddin Razi was the well-known mystics in the late 6th century and beginning of 7th century (AH). He has authored so many works in the field of Islamic mysticism. In his most significant work, Mersadolebad, he pointed out the beginning and end of the universe, the start of deportment and the extremity of development as well as the destination and goals of lover and beloved. In Raz...
Acknowledgements: The author gratefully acknowledges the support of the European Community given under MAST 2 contract CT92–0015.
A widespread depolarization in the dendritic trees of cortical pyramidal neurons generates surface-negative potentials. In turn, such potentials may indicate facilitatory processes, while positive-going waves may result from a lowering in cortical excitability. Accordingly, we may expect the processing of "probe" stimuli presented during surface-positive waves, i.e., during phases of lesser exc...
there is strong evidence demonstrating that nifedipine dissolved in ethanol selectively inhibits only l-type ca2+ current. in addition, acute ethanol exposure reduces voltage-dependent calcium currents. in the present study, we investigated the antagonistic effect of fixed concentration of nifedipine dissolved in different concentration of ethanol on l-type ca2+ current. in a na+-k+ free soluti...
The present study investigates patterns of event-related brain potentials following the presentation of attitudinal stimuli among political moderates (N=12) and anarchists (N=11). We used a modified oddball paradigm to investigate the evaluative inconsistency effect elicited by stimuli embedded in a sequence of contextual stimuli with an opposite valence. Increased late positive potentials (LPP...
We studied the effect of intravenous injection of the cholinesterase inhibitor galanthamine (GAL) in doses from 0.025 to 5.0 mg/kg on electrically evoked field potentials in rat visual cortex. In all the experiments the amplitude of late components of evoked potentials was significantly reduced, while early components remained unaffected. These findings indicate that cortical cells are inhibite...
Thyroid hormone exerts numerous effects on the cardiovascular system. Hypothyroidism can lead to various electrocardiographic and mechanical changes in the heart and blood vessels.The potential risk for sudden cardiac death in patients with hypothyroidism have never been properly explored. However, numerous reports of various electrocardiographic changes indicative of such a risk has been publi...
While the conceptual architecture of enterprise information logistics has been stable since the late 1980ies, IT hardware has been subject to radical change recently. Since in-memory appliances as a new technology might address many challenges of information logistics, we discuss its potentials first. Based on a case study of a global automotive company, we then compare potentials with actual a...
We consider the future dynamics of a transient phantom dominated phase of the universe in LQC and in the RS braneworld, which both have a non-standard Friedmann equation. We find that for a certain class of potentials, the Hubble parameter oscillates with simple harmonic motion in the LQC case and therefore avoids any future singularity. For more general potentials we find that damping effects ...
We examine the possibility of achieving quintessential inflation, where the same field serves as both inflaton and quintessence, in the context of a five-dimensional braneworld. Braneworld cosmology provides an appropriate environment as it permits inflation with much steeper potentials than the conventional scenario, which is favorable to a late-time quintessence. We explore a wide space of mo...
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