Results 251 to 260 of about 6,293,610 (293)

Transfer entropy—a model-free measure of effective connectivity for the neurosciences [PDF]

Journal of Computational Neuroscience, 2010
Understanding causal relationships, or effective connectivity, between parts of the brain is of utmost importance because a large part of the brain’s activity is thought to be internally generated and, hence, quantifying stimulus response relationships ...
Michael Wibral, Raul Vicente, Gordon Pipa   +2 more
exaly   +2 more sources

Functional and Effective Connectivity: A Review [PDF]

Brain Connectivity, 2011
Over the past 20 years, neuroimaging has become a predominant technique in systems neuroscience. One might envisage that over the next 20 years the neuroimaging of distributed processing and connectivity will play a major role in disclosing the brain's functional architecture and operational principles.
Karl J. Friston
exaly   +4 more sources

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Effectiveness of Connected Legislators

American Journal of Political Science, 2020
AbstractImportant work has been done to measure legislative effectiveness in the U.S. Congress and to explain the individual characteristics that drive it. Much less attention, however, has been devoted to study the extent to which legislative effectiveness depends on the legislators' social connections.
Battaglini, Marco, Sciabolazza, Valerio Leone, Patacchini, Eleonora   +2 more
openaire   +4 more sources

Connectivity Effects in Isomeric Naphthalenedinitrenes

Organic Letters, 2001
[figure: see text] UV-vis, FTIR, and ESR spectroscopic studies were carried out on samples of 1,4- and 1,5-naphthalenediazide that were photolyzed at cryogenic temperatures in argon and frozen solvent matrices. Mononitrenes and diiminediyl systems are produced.
Serwinski, P. R., Walton, R., Sanborn, J. A., Lahti, P. M., Enyo, T., Miura, D., Tomioka, H., Nicolaïdes, Andrew N., Serwinski, P. R., Walton, R., Sanborn, J. A., Lahti, P. M., Enyo, T., Miura, D., Tomioka, H., Nicolaïdes, Andrew N.   +15 more
openaire   +3 more sources

Effect of (+)catechin on connective tissue

Scandinavian Journal of Rheumatology, 1978
The effect of (+)catechin on connective tissue was studied in organ cultures of chick embryo tibiae and after in vivo injection in rats and mice. Collagen biosynthesis and hydroxylation of 14C-Pro-labelled protocollagen in vitro by protocollagen proline hydroxylase (PPH) were inhibited.
N, Blumenkrantz, G, Asboe-Hansen
openaire   +2 more sources

EFFECT OF DIPHENYLHYDANTOIN ON CONNECTIVE TISSUE

Acta Neurologica Scandinavica, 2009
Decreased collagen biosynthesis by 10-day-old chick embryo tibiae was observed under the influence of sodium diphenylhydantoinate. A complex was formed by the drug and ferrous or ferric ions. An inhibition of the hydroxylation of 14C-proline and 14C-lysine may be a consequence of the binding of ferrous ions to the drug.
N, Blumenkrantz, G, Asboe-Hansen
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Shielding effectiveness of 'pigtail' connections

IEEE Transactions on Electromagnetic Compatibility, 1987
The shielding effectiveness of a 'pigtail' connection between a coaxial transmission line and a ground plane is treated rigorously by the method of moments, as a function of the type and number of pigtails and frequency. Numerical results show that the type of pigtail connection is crucial with regard to radiation and shielding effectiveness, even ...
Hassan Hejase, A. T. Adams, R. F. Harrington, T. K. Sarkar   +3 more
openaire   +1 more source

Connectives and fuzziness for classical effects

Fuzzy Sets and Systems, 1999
This article investigates various constructs on a set of classical effects (measurable fuzzy sets or fuzzy events). The properties of a connective \(\sqcup\) and its dual connective are studied, and the importance of these operations for fuzzy probability is pointed out.
openaire   +1 more source

Logical Connectives on Lattice Effect Algebras

Studia Logica, 2012
The authors study lattice effect algebras emphasizing their structure as algebraic models of non-standard symbolic logics by focusing on the interplay among conjunction (Sasaki mapping), implication and negation connectives. They characterize lattice effect algebras in terms of Sasaki algebras and compare lattice effect algebras, Hájek's BL-algebras ...
David J. Foulis, Sylvia Pulmannová
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The effects of tetrahydroxyquinone on connective tissue

Journal of Chronic Diseases, 1963
KELLY and PINKUS reported on the oral treatment of keloids with Tetrahydroxyquinonet in 1958 [I]. At that time it was stated that the keloids regressed in size, that the symptoms were ameliorated and that the histological changes in the connective tissue were very definite and interesting.
openaire   +2 more sources