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  • Neuropsychologische Veränderungen  (2)
  • Parkinson's disease  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Experimental brain research 84 (1991), S. 219-223 
    ISSN: 1432-1106
    Keywords: Posture ; Movement precuing ; Cerebellar disease ; Parkinson's disease ; Motor control ; Human
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Automatic postural responses of leg muscles to the sudden displacement of standing support were investigated under four different conditions of information given to subjects in advance. Results from three groups of subjects were compared: 6 normal subjects, 10 patients with cerebellar disease, and 9 patients with Parkinson's disease. Specifically, each subject was provided with visual information about the direction and/or the amplitude of an upcoming platform tilt. For the control situation no advance information on the characteristics of platform tilt was provided. Neither the latencies nor the integrals of postural EMG-responses showed alterations with advance information. In contrast, in a control experiment in which 3 normal subjects had to perform large or small forward or backward voluntary movements of the body around the ankle joint, shorter onset-latencies of leg muscle EMG responses were observed with increasing complexity of the advance information. These results suggest that, unlike voluntary movements, postural responses to rapid surface tilts do not benefit from advance visual information on direction or amplitude of a postural disturbance.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neurology 235 (1988), S. 475-484 
    ISSN: 1432-1459
    Keywords: Tremor recording ; Parkinson's disease ; Resting tremor ; Diurnal variations ; Treatment effects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A new method of prolonged recording of EMG provides a good estimate of spontaneous and induced diurnal variations in resting tremor in Parkinson's disease. It provides a record and a measure of the effects of treatment. Tremor intensity shows considerable variations even over short periods of time. Therefore short-term measurements of tremor are unhelpful. Long-term recordings agree better with the patient's assessment than with the clinical rating score. Repeated recordings over a similar 10-h period on 3 consecutive days in one patient showed fairly constant measures of occurrence and intensity of tremor. In contrast to accelerometer measurements of tremor, artefacts caused by movements and general activity of the patient do not materially interfere with tremor evaluation using surface EMG.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European archives of psychiatry and clinical neuroscience 234 (1984), S. 69-73 
    ISSN: 1433-8491
    Keywords: Extracranial vascular disease ; Neuropsychological deficit ; Carotisstenose ; Neuropsychologische Veränderungen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung In der vorliegenden Studie wurden 33 Patienten mit hämodynamisch relevanten Carotisstenosen oder -verschlüssen psychodiagnostisch untersucht. 22 litten an transitorisch ischdmischen Attacken, 6 hatten einen leichten Schlaganfall erlitten, 5 waren asymptomatisch. Patienten mit hämodynamisch relevanten Carotisstenosen Im Vergleich mit der altersentsprechenden Normalpopulation waren die intellektuellen Funktionen intakt; es bestanden aber deutliche Einschränkungen im mnestischen Bereich, in der Aufmerksamkeit und im Bereich psychomotorischer Reaktionen. Für die Ausprägung der neuropsychologischen Ausfälle war es irrelevant, ob uni- oder bilatere Stenosen im Carotiskreislauf vorlagen. Die Untersuchung zeigt, daß auch bei asymptomatischen Patienten und solchen mit reversiblen neurologischen Ausfdllen bereits manifeste neuropsychische Störungen bestehen können.
    Notes: Summary A total of 33 patients with a relevant stenosis or occlusion of extracranial arteries were tested for a number of neuropsychological functions. Most of them [22] suffered from transient ischemic attacks, 6 from strokes, 5 were asymptomatic. Compared to an age-matched population of normals, patients showed an impairment in their mnemic functions, and attention under stress as well as in their psychomotor function. The degree of neuropsychological impairment was independent of the unilaterality or bilaterality of carotid stenoses. The results illustrate the neuropsychological deficit even in asymptomatic patients and those with complete recovery from transient neurological deficits.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    European archives of psychiatry and clinical neuroscience 234 (1984), S. 74-77 
    ISSN: 1433-8491
    Keywords: Carotid endarterectomy ; Neuropsychological changes ; Endarterektomie ; Carotisstenose ; Neuropsychologische Veränderungen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Wir führten bei 23 Patienten mit uni- oder bilateralen hämodynamisch relevanten Carotisstenosen vor und zehn Monate nach einer Endarterektomie testpsychologische Untersuchungen durch. Präoperativ hatten die meisten Patienten TIA (15), fünf hatten einen leichten Schlaganfall erlitten, drei waren asymptomatisch. Die Nachuntersuchung zeigte leicht verbesserte intellektuelle Funktionen, während die mnestischen Funktionen eher schlechter waren als vor der Operation. Die psychomotorischen Funktionen zeigten — ebenso wie die persönlichkeitsbezogenen Tests — keine wesentlichen Unterschiede. Die prophylaktische Wirkung der Endarterektomie zur Vorbeugung von Schlaganfällen ist unumstritten; eine wesentliche Verbesserung der neuropsychologischen Veränderung ist aber in der Regel nicht zu erwarten
    Notes: Summary Psychological testing was performed on 23 patients (mean age 60.7 years) with unilateral or bilateral stenoses of the carotid arteries prior to and 10 months after carotid endarterectomy. Intellectual functions were slightly improved, mnemic functions impaired, psychomotor functions and dimension of personality remained unchanged. Carotid endarterectomy, although improving neuropsychological functions in a few cases, on average does not cause a significant improvement. This underscores the preventive character of the surgical intervention.
    Type of Medium: Electronic Resource
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