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See detailTranscoding zeros within complex numerals.
Grana, Alessia; Lochy, Aliette UL; Girelli, Luisa et al

in Neuropsychologia (2003), 41(12), 1611-8

This paper describes a patient (LD) showing a selective syntactic deficit in the production of Arabic numerals. Unlike in previously reported cases, LD's syntactic difficulties result in deletions rather ... [more ▼]

This paper describes a patient (LD) showing a selective syntactic deficit in the production of Arabic numerals. Unlike in previously reported cases, LD's syntactic difficulties result in deletions rather than insertions of zeros, with a reduction of the number magnitude. The pattern of errors highlighted a distinction between "lexical zeros", i.e. the zeros in tens, that are semantically derived, and "syntactic zeros" that are syntactically produced as the result of specific production rules. In LD, only syntactic zeros were affected. Furthermore, the processing of numerals with final zeros was found to be easier than the processing of numerals with internal zeros. This pattern of errors is compatible with the lexical-semantic model of Power and Dal Martello. In this model, in fact, lexical zeros originate from a numerical concept, while syntactic zeros originate from a concatenation operation, plus an overwriting operation leaving one or more intermediary zeros. Thus, lexical zeros may be easier to manipulate than syntactic zeros that merely represent a null quantity associated to a specific power of 10. [less ▲]

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See detailLearning complex arithmetic--an fMRI study.
Delazer, M.; Domahs, F.; Bartha, L. et al

in Brain research. Cognitive brain research (2003), 18(1), 76-88

Aim of the present functional magnet resonance imaging (fMRI) study was to detect modifications of cerebral activation patterns related to learning arithmetic. Thirteen right-handed subjects were ... [more ▼]

Aim of the present functional magnet resonance imaging (fMRI) study was to detect modifications of cerebral activation patterns related to learning arithmetic. Thirteen right-handed subjects were extensively trained on a set of 18 complex multiplication problems. In the following fMRI session, trained and untrained problems (closely matched for difficulty) were presented in blocked order alternating with a number matching task and a fact retrieval task. Importantly, left hemispheric activations were dominant in the two contrasts between untrained and trained condition, suggesting that learning processes in arithmetic are predominantly supported by the left hemisphere. Contrasting untrained versus trained condition, the left intraparietal sulcus showed significant activations, as well as the inferior parietal lobule. A further significant activation was found in the left inferior frontal gyrus. This activation may be accounted for by higher working memory demands in the untrained as compared to the trained condition. Contrasting trained versus untrained condition a significant focus of activation was found in the left angular gyrus. Following the triple-code model [Science 284 (1999) 970], the shift of activation within the parietal lobe from the intraparietal sulcus to the left angular gyrus suggests a modification from quantity-based processing to more automatic retrieval. The present study shows that the left angular gyrus is not only involved in arithmetic tasks requiring simple fact retrieval, but may show significant activations as a result of relatively short training of complex calculation. [less ▲]

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See detailRESEAU DE GRAVIMETRIE ABSOLUE ALGERIEN
Francis, Olivier UL

in Bulletin des Sciences Géographiques (2003), 09(Avril), 3-9

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See detailSoft Soil Creep Modelling of large settlements
Van Baars, Stefan UL

in 2nd International Conference on Advances in Soft Soil Engineering and Technology (2003)

The most commonly used model in The Netherlands to predict settlements is the Koppejan Model. This model gives reasonable predictions, but sometimes there are large discrepancies with reality. This is ... [more ▼]

The most commonly used model in The Netherlands to predict settlements is the Koppejan Model. This model gives reasonable predictions, but sometimes there are large discrepancies with reality. This is caused (among others) by: 1) The inaccurate calculation of the degree of consolidation, 2) The omission of the consolidation process for creep, which causes superposition errors for (temporarily) surcharge calculations, and 3) The omission of the waterpressures caused by creep. The problems disappear when the settlement process is solved with an incremental calculation. The results of the incremental calculations are compared with several 1-D compression tests and show good results. The Incremental Koppejan Model can easily be implemented in finite element models. In this paper also an example for a 3-D Elasto-Plastic Soft-Soil-Creep Model is presented. [less ▲]

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See detailDie Virtuelle Hauptversammlung - Momentaufnahme und Ausblick
Zetzsche, Dirk Andreas UL

in Zeitschrift für Bank- und Kapitalmarktrecht (2003)

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See detailDie Elektronische Hauptversammlung
Zetzsche, Dirk Andreas UL

in Deutsche Gesellschaft für Recht und Informatik, E-Government: Regierungshandeln in der Informationsgesellschaft, Jahresband 2002 (2003)

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See detailNaStraG - ein erster Schritt in Richtung Virtuelle Hauptversammlung für Namens- und Inhaberaktien
Zetzsche, Dirk Andreas UL

in Zeitschrift für Wirtschaftsrecht (2003)

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See detailCorruption and Related Crimes in International Business Activities, Hungarian National Report
Ligeti, Katalin UL

in Revue Internationale de Droit Pénal (2003)

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See detailZelfbeeld en gedrag van kinderen met spina bifida en hydrocephalus in Nederland
de Wit, O; Pit-Ten Cate, Ineke UL; Stevenson, J

Report (2003)

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See detailKapitalvergeudung? Die Rolle der Philologien an der Universität Luxemburg
Sieburg, Heinz UL

in Forum für Politik, Gesellschaft und Kultur in Luxemburg (2003), 228

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See detailGrenzverschiebungen. Theoriekonzepte zum Begriff „Grenze“
Baltes-Löhr, Christel UL

in Geisen, Thomas; Karcher, Allen (Eds.) Grenze: Sozial – Politisch – Kulturell (2003)

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See detailFrauen und Migration am Beispiel der portugiesischen Frauen in Luxemburg
Baltes-Löhr, Christel UL

in Ensemble 71-72 (Ed.) Migrations: les enjeux! Conférences & colloque 2002 (2003)

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See detailL'autolimitation implicite des normes de droit privé matériel
Kinsch, Patrick UL

in Revue Critique de Droit International Privé (2003)

L'autolimitation des normes de droit matériel doit être distinguée du jeu des mécanismes du droit international privé, spécialement du jeu des règles de conflit. Elle correspond à la définition, par ... [more ▼]

L'autolimitation des normes de droit matériel doit être distinguée du jeu des mécanismes du droit international privé, spécialement du jeu des règles de conflit. Elle correspond à la définition, par certaines règles de droit matériel, de leur propre champ d'application international et n'intervient qu'à condition que le droit applicable aux termes des règles de conflit de lois soit préalablement connu. La présente contribution examine les cas dans lesquels l'autolimitation d'une norme de droit matériel n'est pas l'effet d'une disposition législative expresse, mais de l'interprétation de la norme par les tribunaux: incidence de la « présomption contre l'extraterritorialité » des normes législatives dans les pays de common law, autolimitation des lois de police, emploi par la norme de notions fermées à toute substitution... On verra ainsi apparaître le phénomène de l'autolimitation des normes comme une illustration, parmi d'autres, de la contribution des normes de droit matériel à la réglementation des situations internationales. [less ▲]

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See detailQuantum master equation for a system influencing its environment
Esposito, Massimiliano UL; Gaspard, P.

in Physical Review E (2003), 68(6),

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See detailSpin relaxation in a complex environment
Esposito, Massimiliano UL; Gaspard, P.

in Physical Review E (2003), 68(6),

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