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Three-dimensional distribution of the electric field induced in the brain by transcranial magnetic stimulation using figure-8 and deep H-coils

2007

BIAL Foundation Archive
- BIAL Grants
  - 2004 Grants
    - 112 - Improvement of transcranial magnetic stimulation (TMS) coils for psychiatric applications
      - Three-dimensional distribution of the electric field induced in the brain by transcranial magnetic stimulation using figure-8 and deep H-coils

Reference code:	PT/FB
Entity holding:	BIAL Foundation
Location:	S. Mamede do Coronado
Title:	BIAL Foundation Archive
Start date:	1994
History:	The BIAL Foundation was created in 1994 by Laboratórios BIAL in conjunction with the Council of Rectors of Portuguese Universities. BIAL’s Foundation mission is to foster the scientific study of Man from both the physical and spiritual perspectives. Along the years the BIAL Foundation has developed an important relationship with the scientific community, first in Portugal and after worldwide. Today it is an institution of reference which aims to stimulate new researches that may help people, promote more health and contribute to new milestones to gain access to knowledge. Among its activities the BIAL Foundation manages the BIAL Award, created in 1984, one of the most important awards in the Health field in Europe. The BIAL Award rewards both the basic and the clinical research distinguishing works of major impact in medical research. The BIAL Foundation also assigns Scientific Research Scholarships for the study of neurophysiological and mental health in people, arousing the interest of researchers in the areas of Psychophysiology and Parapsychology. To date the BIAL Foundation has supported 461 projects, more than 1000 researchers, with research groups in twenty-seven countries, resulting, until April 2013, in about 600 full papers, out of which 172 published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665). Since 1996 the BIAL Foundation organizes the Symposia entitled "Behind and Beyond the Brain", a Forum that gathers well renowned neurosciences speakers and the BIAL Foundation Fellows which are spread around the world. Classified as an institution of public utility, the BIAL Foundation includes among its patrons the Portuguese President, the Portuguese Universities Rectors' Council and the Portuguese Medical Association.
URL:	http://www.bial.com/pt/
Accessibility:	By permission

Reference code:	PT/FB/BL
Entity holding:	BIAL Foundation
Title:	BIAL Grants
Start date:	1994
History:	In 1994 the BIAL Foundation launched a programme of science research grants with the aim of encouraging the research into Man’s physical and mental processes, namely in fields still largely unexplored but which warrant further scientific analysis, as Psychophysiology and Parapsychology. Since its launch, applications to the BIAL grants have been increasing. Up to now 461 projects have been supported, involving more than 1000 researchers from 27 countries. The approved applications have benefited from grants in amounts comprised between €5,000 and €50, 000. The amount to be granted is fixed by the Scientific board according to the needs of each project. The supported projects have originated, until April 2013, in about 600 full papers, 172 out of which were published in indexed international journals with an average impact factor of 3.6 and a substantial number of citations (1665). Among the BIAL Foundation fellows is worth highlighting the presence of scientists from prestigious universities from the United States, United Kingdom, Australia, Russia, Germany, Japan, France, Canada, and many others. The BIAL grants are promoted biannually.

Reference code:	PT/FB/BL-2004
Location:	Arquivo PCA - Pastas 1 a 25/2004
Title:	2004 Grants
Start date:	2005-01 - 2012-09
Dimension/support:	25 caixas de arquivo

Reference code:	PT/FB/BL-2004-112
Location:	Arquivo PCA - Pasta 15/2004
Title:	112 - Improvement of transcranial magnetic stimulation (TMS) coils for psychiatric applications
Duration:	2005-01 - 2007-11
Researcher(s):	Pedro Cavaleiro Miranda, Yiftach Roth, Ludovic Correia, Ricardo Salvador, Abraham Zangen
Institution(s):	Instituto de Biofísica e Engenharia Biomédica, Faculdade de Ciências da Universidade de Lisboa (Portugal)
Contents:	Bursary agreement Application form Correspondence Financial report and expenditure documents Progress report Final report CD (progress and financial report 2005, graduation project, letter, consortium agreement - Weizmann ) CD (final report, 2 technical reports, abstract, poster) DVD (financial report, invoices, statement of expenditure) Final research project as requirement to complete a bachelor’s degree
Language:	eng
Author:	Miranda, P. C.
Secondary author(s):	Roth, Y., Correia, L., Salvador, R., Zangen, A.
Number of reproductions:	1
Keywords:	Psychophysiology / Assessment tools / Intervention / Biopsychological problems / Mental health / Mood disorders

Reference code:	PT/FB/BL-2004-112.02
Location:	Arquivo PCA - Pasta 15/2004
Title:	Three-dimensional distribution of the electric field induced in the brain by transcranial magnetic stimulation using figure-8 and deep H-coils
Publication year:	2007
URL:	http://www.brainsway.com/Brainsway/SendFile.asp?DBID=1&LNGID=1&GID=467
Abstract/Results:	ABSTRACT: The H-coils are a novel development in transcranial magnetic stimulation (TMS), designed to achieve effective stimulation of deep neuronal regions without inducing unbearable fields cortically, thus broadly expanding the potential feasibility of TMS for research and for treating various neurologic disorders. This study compared the field distribution of two H-coil versions, termed H1 and H2, and of a standard figure-of-eight coil. Three-dimensional electrical field distributions of the H1 and H2-coils, designed for effective stimulation of prefrontal regions, and of a standard figure-8 coil, were measured in a head model filled with physiologic saline solution. With stimulator output at 120% of the hand motor threshold, suprathreshold field is induced by the H1-coil at lateral and medial frontal regions at depths of up to 4 to 5 cm, and by the H2-coil at medial prefrontal regions up to 2 to 3 cm, and at lateral frontal regions up to 5 to 6 cm. The figure-8 coil induced suprathreshold field focally under the coil's central segment, at depths of up to 1.5 cm. The ability of the H-coils to stimulate effectively deeper neuronal structures is obtained at the cost of a wider electrical field distribution in the brain. However, the H-coils enable simultaneous stimulation of several brain regions, whereas the depth penetration in each region can be controlled either by adjusting the stimulator output, and/or by varying the distance between various coil elements and the skull.
Accessibility:	Document does not exist in file
Language:	eng
Author:	Roth, Y.
Secondary author(s):	Amir, A., Levkovitz, Y., Zangen, A.
Document type:	Article
Number of reproductions:	1
Reference:	Roth, Y., Amir, A., Levkovitz, Y., & Zangen, A. (2007). Three-dimensional distribution of the electric field induced in the brain by transcranial magnetic stimulation using figure-8 and deep H-coils. Journal of Clinical Neurophysiology, 24(1), 31-38. https://doi.org/10.1097/WNP.0b013e31802fa393
2-year Impact Factor:	1.500\|2007
Times cited:	261\|2025-02-04
Indexed document:	Yes
Quartile:	Q3
Keywords:	Transcranial magnetic stimulation (TMS) / Deep brain stimulation / Electrical field distribution / Motor threshold / Magnetic coil