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  • 1
    ISSN: 1433-0407
    Keywords: Schlüsselwörter Wahn ; Wahnentstehung ; Urteilsverhalten ; Key words Delusion ; Origin of delusion ; Decision making
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Delusion as a phenomenon was always in the focus of psychiatric interest. Explanations for its origin reach from disturbed perception or affect to deficits in cognition. In our study we investigated 20 deluded, 20 depressive and 20 healthy subjects in order to find out differences in decision making, while a neutral test situation. Our hypothesis was that deluded subjects need less information for decision making and tend less to change their decision, made before, than both control groups will do this. For examination our hypothesis a modified version of “Probabilistic Inference Task” by Philips and Edwards was performed. In summary we found that deluded subjects need less information for decisions making than the control groups. Furthermore, decision making of deluded subjects seems more impulsive and less referring to formal logical criteria than it was found in depressed and healthy volunteers.
    Notes: Zusammenfassung Das Phänomen Wahn steht seit jeher im Zentrum des psychiatrischen Interesses. Die in der Vielzahl von Hypothesen zur Wahnentstehung diskutierten Ursachen reichen von Störungen der Wahrnehmung oder des Affektes bis hin zu kognitiven Störungen. In unserer Untersuchung mit 20 wahnhaften, 20 depressiven und 20 gesunden Probanden gingen wir der Frage nach, ob sich zwischen den drei genannten Gruppen Unterschiede im Urteilsverhalten während einer neutralen Testsituation aufzeigen lassen. Unsere Hypothese dabei war, daß wahnhafte Probanden zur Urteilsbildung deutlich weniger Information heranziehen und an ihren einmal gefällten Urteilen rigider festhalten, als dies bei einer gesunden und depressiven Kontrollgruppe der Fall ist. Zur Überprüfung der Hypothesen wurde eine modifizierte Version des “Probabilistic Inference Task” von Philips and Edwards eingesetzt. Zusammenfassend zeigte sich, daß die Gruppe der wahnhaften Probanden zur Entscheidungsfindung signifikant weniger Informationen als die beiden Kontrollgruppen benötigte. Das Urteilsverhalten insgesamt erschien bei den wahnhaften Probanden deutlich impulsiver und weniger auf formallogisch nachvollziehbaren Kriterien beruhend als dies in den beiden anderen Probandengruppen der Fall war.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 332 (1989), S. 407-411 
    ISSN: 1434-601X
    Keywords: 23.20.Lv ; 25.85.Ec
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The decay of135Sb has been investigated at the online fission product mass separator OSIRIS. The low energy level scheme of the daughter nucleus135Te, revealing states of strong single-particle character. The results are compared to experimental data for isotonic nuclei, and are discussed within the framework of the shell-model.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 338 (1991), S. 285-289 
    ISSN: 1434-601X
    Keywords: 23.20.Lv ; 25.85.Ec
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The decay properties of84As have been investigated with mass separated sources. Only one β-decaying state is seen, contradictory to previous observations. The halflife is found to be 4.5±0.2 s. A detailed decay scheme has been constructed, and 33 excited states in84Se have been determined.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 339 (1991), S. 349-353 
    ISSN: 1434-601X
    Keywords: 23.20.Lv ; 25.85.Ec
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The decay of isotope-separated85As has been studied for the first time by means ofγ-ray spectroscopy. A level scheme for85Se has been constructed on the basis ofγγ-coincidence measurements. Spin and parity were then assigned to the lowest excited levels. Two levels, weakly populated in84Se after emission of delayed neutrons, were also identified. The results obtained here differ considerably from previously reported experiments with chemically separated sources.
    Type of Medium: Electronic Resource
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