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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 71 (1993), S. 825-829 
    ISSN: 1432-1440
    Keywords: Rapidly progressive glomerulonephritis ; Crescents ; Anti-nuclear cytoplasmic autoantibodies ; Anti-glomerular basement membrane disease ; Pathogenesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Der Nervenarzt 71 (2000), S. 123-129 
    ISSN: 1433-0407
    Keywords: Schlüsselwörter Somatoparaphrenie ; Anosognosie für Hemiplegie ; Parietaler Kortex ; Thalamus ; Neglekt ; Fehlidentifikation ; Pathogenese ; Key words Somatoparaphrenia ; Anosognosia for hemiplegia ; Parietal cortex ; Thalamus ; Neglect ; Misidentification ; Pathogenesis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Anosognosia for hemiplegia (AHP), i. e., unawareness of motor deficits and associated disorders, has been frequently reported, predominantly following right hemispheric lesions. To a smaller extent, there are case reports of patients who give accounts of a feeling of strangeness concerning the contralesional limbs and sometimes attribute them to other persons. This “positive-variant” of AHP has been labeled “somatoparaphrenia” (SP). We report a case of SP in a 85-year-old woman with infarction of the right posterior cerebral artery and posterior parts of the right thalamus. She showed AHP and described her left side alternatively as her handicapped nephew and a clumsy cat. Misidentification of her daughter also occurred. With respect to the literature the predominant neuroanatomical features involved are lesions including right parietal cortex and/or posterior parts of the thalamus. Theories concerning the pathogenesis of this phenomenon comprise a denial of the illness, a lack of awareness caused by reduced sensory feedback and neglect, a misidentification or disturbance of the active discovery process considered necessary for realizing one's disorder.
    Notes: Zusammenfassung Anosognosie für Hemiplegie (AHP) im Sinne einer mangelnden Bewusstheit einer Hemiparese und assoziierter Störungen ist in Folge überwiegend rechtshemisphärischer Läsionen ein häufigeres Phänomen. Seltener wird kasuistisch über Patienten berichtet, die zusätzlich ein Fremdheitsgefühl kontraläsioneller Körperteile angeben und sie z. B. anderen Personen zuschreiben. Diese “Plusvariante” der AHP wird als Somatoparaphrenie (SP) bezeichnet. Wir schildern den Fall einer 85-jährigen Frau, die nach einem rechtshemisphärischen Infarkt der A. cerebri posterior und posteriorer Anteile des Thalamus eine SP entwickelte. Bei bestehender AHP äußerte sie abwechselnd, ihre linke Körperseite sei ihr körperbehinderter Neffe oder eine ungeschickte Katze. Passager traten auch Fehlidentifikationen der Tochter auf. In der Literatur werden überwiegend Läsionen unter Einschluss des rechten parietalen Kortex und/oder des rechten posterioren Thalamus angegeben. Erklärungstheorien umfassen u. a. psychodynamische Ansätze im Sinne einer Krankheitsverdrängung, ein Wahrnehmungsdefizit durch einen mangelnden sensorischen Feedback und Neglekt, eine Fehlidentifikation, sowie eine Beeinträchtigung eines zur Bewusstwerdung körperlicher Störungen notwendigen aktiven Aufdeckungsprozesses.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1434-601X
    Keywords: 21.10.Ft ; 25.70.Np ; 27.40.+z
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract At the projectile-fragment separator FRS of GSI, relativistic secondary beams of about 520 MeV/nucleon were produced by fragmentation of a primary beam of58Ni at 650 MeV/nucleon in a beryllium target. By means of aΔE—Bρ—TOF measurement, the fragments were identified and their charge-changing probabilities in targets of (CH2) n , C, Al, and Pb placed at the exit of the FRS were determined. Whereas a first article dealt with the total charge-changing cross sections, we describe in this second article the element distributions of these secondary fragments, which are found to depend strongly on the isospin of the secondary projectile as well as on the target material. In the case of the lead target, the influence of the electromagnetic dissociation is clearly visible in the one-proton and two-proton removal channels. The preference for the formation of even-Z fragments is much more pronounced for exotic secondary projectiles than for projectiles close to stability. Calculations with a geometrical abrasion-ablation model allow to understand the global features of the experimental data. However, far from stability, the discrepancies between calculations and experimental data increase.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1434-601X
    Keywords: 21.10.Ft ; 25.70.Np ; 27.40.+Z
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract At the projectile-fragment separator FRS of GSI, relativistic secondary beams of about 520 MeV/nucleon were produced by fragmentation of a primary beam of58Ni at 650 MeV/nucleon in a beryllium target. By means of aΔE—Bρ—TOF measurement, the fragments have been identified and their charge-changing probabilities in targets of CH2, C, Al, and Pb have been determined. We describe the results for the total charge-changing cross sections in this first paper, whereas a second article deals with the partial charge-changing cross sections. At the drip line, the measured charge-changing cross sections exhaust close to 100% of the total interaction cross sections as calculated with semiempirical models. The measurements at the proton drip line with low-Z targets indicate that only a very small increase of the cross sections may be observed, whereas the measurements with a lead target show that no significant increase of the total charge-changing cross sections is present which would be a hint for low-lying dipole strength. Our experimental data are compared to Glauber-type calculations.
    Type of Medium: Electronic Resource
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