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  • 1H spectroscopy  (1)
  • Cognitive Behaviour Therapy  (1)
  • Dual bases  (1)
  • 2000-2004
  • 1990-1994  (3)
Document type
Keywords
Publisher
Years
  • 2000-2004
  • 1990-1994  (3)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Gröbner bases of ideals defined by functionals with an application to ideals of projective points (1993)
    Springer
    Applicable algebra in engineering, communication and computing 4 (1993), S. 103-145 
    Details
    ISSN: 1432-0622
    Keywords: Gröbner bases ; Polynomial ideals ; Dual bases ; Interpolation ; 0-dimensional schemes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics , Technology
    Notes: Abstract In this paper we study 0-dimensional polynomial ideals defined by a dual basis, i.e. as the set of polynomials which are in the kernel of a set of linear morphisms from the polynomial ring to the base field. For such ideals, we give polynomial complexity algorithms to compute a Gröbner basis, generalizing the Buchberger-Möller algorithm for computing a basis of an ideal vanishing at a set of points and the FGLM basis conversion algorithm. As an application to Algebraic Geometry, we show how to compute in polynomial time a minimal basis of an ideal of projective points.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01386834
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    White matter abnormalities in patients with treated hyperphenylalaninaemia: Magnetic resonance relaxometry and proton spectroscopy findings (1993)
    Springer
    European journal of pediatrics 152 (1993), S. 1012-1020 
    Details
    ISSN: 1432-1076
    Keywords: Phenylketonuria ; Myelination ; Magnetic resonance imaging ; 1H spectroscopy ; T2 relaxometry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In order to further clarify the pathogenesis and clinical significance of MRI white matter abnormalities in treated hyperphenylalaninaemia (HPA), ten patients (seven type I HPA, two type II and one type III) underwent T2 relaxometry (n=8) and/or1H spectroscopy (n=7) in addition to conventional MR spin-echo imaging at 1.5 T. Two patients with severe MRI abnormalities had repeat examinations during and after a 6-to 8-month period of strict diet control. The clinical evaluation included a detailed neurological examination. In nine out of ten patients visual evoked potentials (VEP) were obtained parallel to the MR examination. MR imaging demonstrated typical symmetrical areas of prolonged T2 relaxation time predominantly in the posterior periventricular white matter in all but one of type I and II patients. There was no consistent relationship between MRI findings and time of diagnosis/initiation of therapy, IQ or visual evoked potential changes. MRI abnormalities tended to be more severe in patients with poor dietary control and high current plasma phenylalanine levels, whereas a normal MRI was found only in patients with plasma phenylalanine levels continuously below 0.36 mmol/l. There was marked regression of MRI abnormalities already after 3 months of strict diet control. T2 relaxometry showed a bi-exponential behaviour of T2 in the affected white matter, with a slow component of about 200–450 ms, indicating an increase in free (extracellular) water.1H spectroscopy revealed no signs of severe neuronal damage. We conclude, that the observed white matter changes in treated HPA probably represent reversible structural myelin changes rather than permanent demyelination.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01957228
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Prediction of short-term outcome of neurotic-depressive inpatients (1993)
    Springer
    European archives of psychiatry and clinical neuroscience 242 (1993), S. 301-309 
    Details
    ISSN: 1433-8491
    Keywords: Neurotic Depression ; Short-term Outcome ; Predictors ; Cognitive Behaviour Therapy ; Antidepressants
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A study was carried out involving 134 neurotic-depressive inpatients (according to ICD-9) treated with cognitive behaviour therapy and in a subgroup additionally with antidepressants. Using standardized rating instruments, a large set of potential predictor variables was tested. After cross-validation according to the splithalf technique, only very few of these proved to be suitable as predictors for the main outcome criteria. These predictors included certain aspects of social functioning before index admission, intensity of depressive symptoms at admission and the degree of self-evaluated mood disturbances three weeks after admission. Several predictors known from the literature could not be reproduced in this study, demonstrating the well-known instability of most predictor findings. On the other side, the predictor profile of the neurotic-depressive patients was quite similar to that found in endogenous depressives, a result which might — together with other findings, such as the response of neurotic depressives to antidepressants — question the traditional subclassification of functional depressive states into these subgroups.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02190390
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    Paper (German National Licenses)
    Fulltext
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