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Problems of Forensic Sciences 2003  Vol. 56 (LVI)  7-16
 
POSTUROGRAPHIC ASSESSMENT OF BALANCE DISTURBANCES IN PERSONS UNDER THE INFLUENCE OF ALCOHOL OR CHLORPROMAZINE

Maciej BOSEK1, Małgorzata PYSKIR1, Ewa PUFAL2, Marzena SYKUTERA2, Bronisław GRZEGORZEWSKI1, Maria KAŁA3, Wojciech PIEKOSZEWSKI3, Karol ŚLIWKA2
1Department of Biophysics, L. Rydygier Medical University, Bydgoszcz
2Department of Forensic Medicine, L. Rydygier Medical University, Bydgoszcz
3Institute of Forensic Research, Cracow


Streszczenie

Difficulties encountered in the assessment of psychomotor disturbances of persons under the influence of certain medicines have led to a search for new objective investigative methods. It seems that posturography could contribute significantly in this matter. In the paper, parameters obtained from the analysis of stabilograms of persons under the influence of alcohol or chlorpromazine were compared. Using the Langevin equation, the diffusion matrix and the friction coefficient were calculated. It was shown that closing the eyes causes an increase in the value of the diffusion matrix trace. Both the administration of alcohol and chlorpromazine cause a decrease in the value of the friction coefficient when the test is performed by persons with eyes closed. The friction coefficient can be proposed as a parameter which allows us to evaluate the state of the posture control system.


Słowa kluczowe

Posturography; Stabilogram; Centre of pressure; Chlorpromazine; Ethanol.


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