title: [Computer modelling of electroconvulsive treatment and transcranial magnetic stimulation--an explanation of poor efficacy of the magnetic method].
abstract: With help of informatics technology it is possible to simulate various physiological processes in virtual models of biological structures. In a created realistic model of the human head we made some comparative investigations over physical phenomena accompanying the electroconvulsive treatment ECT and transcranial magnetic stimulation TMS--two methods with confirmed (ECT) or presumable (TMS) antidepressant efficacy. The present investigations are a continuation of the earlier conducted study in the simple spherical model of the head. Investigations confirmed, that magnetic stimulation TMS generates a considerably weaker current flow in the brain than it is present in electroconvulsive technique. Applying of such weak stimulation in modus,,at haphazard", i.e. on the brain area which does not need to be metabolically disturbed in this patient--cannot cause an antidepressant effect at all. The results of the investigations explain not only the safety of the magnetic method, but the weak effectiveness of this method. The authors propose some methods for improvement of TMS efficacy.
authors: Oddział Kliniczny Kliniki Psychiatrii Dorosłych Szpitala Uniwersyteckiego w Krakowie.
authors: Tomasz
authors: T
authors: Zyss
authors: Andrzej
authors: A
authors: Krawczyk
authors: Andrzej
authors: A
authors: Zieba
authors: Dominika
authors: D
authors: Dudek
authors: Robert T
authors: RT
authors: Hese
authors: Paweł
authors: P
authors: Drzymała
authors: Sławomir
authors: S
authors: Wiak
authors: Bartosz
authors: B
authors: Sawicki
authors: Jacek
authors: J
authors: Starzyński
authors: Robert
authors: R
authors: Szmurło
authors: Stanisław
authors: S
authors: Wincenciak
mesh_terms: D003198:Computer Simulation; D003863:Depression / Q000628:therapy*; D004599:Electric Stimulation Therapy / Q000379:methods*; D004565:Electroconvulsive Therapy / Q000379:methods*; D006801:Humans; D021621:Imaging, Three-Dimensional / Q000379:methods; D008280:Magnetics; D008954:Models, Biological; D008959:Models, Neurological; D013813:Therapy, Computer-Assisted / Q000379:methods*