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  • 1
    Electronic Resource
    Electronic Resource
    Cortical reorganization and phantom phenomena in congenital and traumatic upper-extremity amputees (1998)
    Springer
    Experimental brain research 119 (1998), S. 205-212 
    Details
    ISSN: 1432-1106
    Keywords: Key words Cortical plasticity ; Phantom limb pain ; Traumatic amputation ; Congenital aplasia ; Neuromagnetic source imaging ; Human
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The relationship between phantom limb phenomena and cortical reorganization was examined in five subjects with congenital absence of an upper limb and nine traumatic amputees. Neuromagnetic source imaging revealed minimal reorganization of primary somatosensory cortex in the congenital amputees (M=0.69 cm, SD 0.24) and the traumatic amputees without phantom limb pain (M=0.27 cm, SD 0.25); the amputees with phantom limb pain showed massive cortical reorganization (M=2.22 cm, SD 0.78). Phantom limb pain and nonpainful phantom limb phenomena were absent in the congenital amputees. Whereas phantom limb pain was positively related to cortical reorganization (r=0.87), nonpainful phantom phenomena were not significantly correlated with cortical reorganization (r=0.34). Sensory discrimination was normal and mislocalization (referral of stimulation-induced sensation to a phantom limb) was absent in the congenital amputees. The role of peripheral and central factors in the understanding of phantom limb pain and phantom limb phenomena is discussed in view of these findings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002210050334
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Irritable bowel syndrome defined by factor analysis gender and race comparisons (1995)
    Springer
    Digestive diseases and sciences 40 (1995), S. 2647-2655 
    Details
    ISSN: 1573-2568
    Keywords: irritable bowel syndrome ; Manning criteria ; Rome consensus criteria ; gas ; constipation ; symptom questionnaire ; factor analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To examine the applicability across subgroups of the Manning criteria commonly used to diagnose the irritable bowel syndrome, a 22-item symptom questionnaire was administered to male and female African-American and Caucasian adults (N=1344). Principal components factor analysis with varimax rotation was used to identify symptom clusters. Consistent with the findings of a previous factor analytic study, three of the six Manning symptoms (loose stools and more frequent bowel movements with onset of pain, pain relieved by defecation) formed a cluster corresponding to the irritable bowel syndrome in all subgroups. It is concluded that: (1) The three core Manning symptoms have equal applicability to both genders and to African-Americans as well as to Caucasians. They are useful symptom criteria for the diagnosis of IBS when used in conjunction with medical evaluation. (2) Three of the six Manning symptoms rarely correlate with the others; if confirmed in patient samples, this would indicate that these three symptoms are not useful for making a diagnosis of the irritable bowel syndrome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02220455
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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