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This paper deals with the recording of finger microtremor using a self-constructed apparatus (amplitudes 0.5 to 0.05 mm). 32 healthy subjects aged 7 to 60 years were examined by means of a test set permitting the exact recording of the amplitudes and frequencies of the right middle finger movement. Special attention was given to the vertical plane of the tremor in order to permit more exact demonstration. Frequencies of 5 to 12 cps. were recorded, the mean frequency being 7.55+/-1.12 cps. The minimum amplitude was 0.02 and the maximum recorded amplitude amounted to 1.4 mm, with a mean amplitude of 0.12+/- 0.07 mm. No significant differences in amplitude or frequency were noted with respect to age or sex. This method is useful in the accurate quantitative assessment of every kind of tremor.
K Mifka, and
P Wessely, and
J Zwischenberger, and
G Kiehtreiber, and
B Mamoli
March 1976,
Nihon geka hokan. Archiv fur japanische Chirurgie,
K Mifka, and
P Wessely, and
J Zwischenberger, and
G Kiehtreiber, and
B Mamoli
October 1980,
La semaine des hopitaux : organe fonde par l'Association d'enseignement medical des hopitaux de Paris,
K Mifka, and
P Wessely, and
J Zwischenberger, and
G Kiehtreiber, and
B Mamoli
September 1977,
Wiener klinische Wochenschrift,
K Mifka, and
P Wessely, and
J Zwischenberger, and
G Kiehtreiber, and
B Mamoli
January 1976,
Rivista di patologia nervosa e mentale,
K Mifka, and
P Wessely, and
J Zwischenberger, and
G Kiehtreiber, and
B Mamoli
March 1977,
Nihon Heikatsukin Gakkai zasshi,
K Mifka, and
P Wessely, and
J Zwischenberger, and
G Kiehtreiber, and
B Mamoli
March 1980,
AMB : revista da Associacao Medica Brasileira,
K Mifka, and
P Wessely, and
J Zwischenberger, and
G Kiehtreiber, and
B Mamoli
June 1973,
Nihon Heikatsukin Gakkai zasshi,
K Mifka, and
P Wessely, and
J Zwischenberger, and
G Kiehtreiber, and
B Mamoli
November 1980,
Psychotherapie, Psychosomatik, medizinische Psychologie,
K Mifka, and
P Wessely, and
J Zwischenberger, and
G Kiehtreiber, and
B Mamoli
January 1975,
Wiener klinische Wochenschrift. Supplementum,
K Mifka, and
P Wessely, and
J Zwischenberger, and
G Kiehtreiber, and
B Mamoli
September 1973,
Nihon Heikatsukin Gakkai zasshi,
