Bioelectric and Biomagnetic Phenomena

COURSE PROGRAM

Lecturers

MONDAY 5TH AUGUST 1985
11.00Registration
12.00Opening of the course
Rector Timo Lepistö
12.15Electrophysiology of excitable cells
Robert Plonsey
Properties of excitable membrane
  - Ionic composition of intracellular/extracellular medium
  - Selective permeability (at rest, during action potential)
  - Hodgkin-Huxley formalism
  - Active process (pumps) electrogenic potentials
14.00Coffee

Linear core-conductor model
  - Electrotonus,
Multicellular preparations - - Structure

15.00 

 

TUESDAY 6TH AUGUST 1985
09.00Electric and magnetic field of excitable cells
Robert Plonsey
Quasistationarity for the electric and magnetic field
  - Maxwell's equations - - > Laplace's equation
  - Volume conductor
  - Impressed current
  - Monopole and dipole field expressions
10.00Coffee

Source-field relations
  - Single and double-layer fields
  - Field discontinuity - - source equivalent
  - Secondary sources (Impedance boundary condition)
  - Single cell source
  - Cardiac tissue sources

Uniform media
  - Isotropic
  - Anisotropic

12.00Lunch

Theoretical methods for analysing volume sources and colume conductors
Jaakko Malmivuo
Reciprocity theorem
Solid angle theorem

14.00Coffee

Lead vector
Image surface
Lead field
Gabor-Nelson theorem

15.00 

 

WEDNESDAY 7TH AUGUST 1985
09.00Mathematical description of cardiac tissue
Robert Plonsey
Intracellular junctions
Continuum model - - bidomain description
Discrete model
  - Behaviour under electrotonic conditions
  - Behaviour under action potential. Effect of velocity
10.00Coffee

Modelling of bioelectric sources
John P. Wikswo
Dipole
Moving dipole
Multiple dipole
Multipole

Forward and inverse problem
Jaakko Malmivuo

12.00Lunch

Biomagnetism
Jaakko Malmivuo
Lead field theory applied to biomagnetism

14.00Coffee

Neuroelectric phenomena
John P. Wikswo
Cable equation
Action potential in single axon
Compound action potential in nerve bundle

15.30 

 

THURSDAY 8TH AUGUST 1985
09.00EEG, Evoked potentials
Paul L. Nunez
The physiological and anatomical origin of EEG
Temporal and spatial properties of EEG
Time dependence in neural circuits
10.00Coffee

Wave phenomena
Brain waves: a theoretical and experimental basis

12.00Lunch
13.00Biomagnetism
John P. Wikswo
Magnetic field of a single axon and nerve bundles
Magnetoencephalography
Magnetic evoked potentials
14.00Coffee

Heart as a bioelectric source
Toshiyuki Furukawa and Hiroshi Tanaka
The physiological and anatomical origin of ECG
Temporal and spatial properties of ECG
Information content of ECG
Bioelectric basis of ECG diagnosis

15.30 

 

FRIDAY 9TH AUGUST 1985
09.00Solution of the cardiac inverse problem
Toshiyuki Furukawa and Hiroshi Tanaka
10.00Coffee

Magnetocardiography
Jaakko Malmivuo
Magnetic lead systems
Vector magnetocardiography
ECG-MCG relationship

12.00Closing of the course

 

LECTURERS

Toshiyuki Furukawa, Professor
Institute of Medical Electronics
Faculty of Medicine, University of Tokyo
Tokyo, Japan

Jaakko Malmivuo, Associate Professor
Biomedical Engineering Laboratory
Tampere University of Technology
Tampere, Finland

Paul L. Nunez, Associate Professor
San Diego State University
San Diego, California

Robert Plonsey, Professor
Department of Biomedical Engineering
Duke University
Durham, North Carolina

Hiroshi Tanaka, Dr
Institute of Medical Electronics
Faculty of Medicine, University of Tokyo
Tokyo, Japan

John P. Wikswo, Associate Professor
Department of Physics and Astronomy
Vanderbilt University
Nashville, Tennessee

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