Foreword ...............................................................................4
Neurobiology.........................................................................5
Brain cortex structure ........................................................... 5
Electromagnetic sensory input to the cortex...........................6
Neuronal morphology........................................................... 8
The neuronal cytoskeleton.................................................. 12
Electrodynamics..................................................................16
Right-handed coordinate systems ....................................... 16
Vectors .............................................................................. 17
Electric field ....................................................................... 18
Physical and vector fluxes .................................................. 20
Electric current...................................................................21
Magnetic field..................................................................... 23
Electromagnetic induction................................................... 26
Maxwell’s equations ........................................................... 27
Electromagnetic fields in vivo..............................................31
Neuronal membranes as excitable units .............................. 31
Cable equation and dendritic modeling................................33
Electric field in dendrites.....................................................36
Electric field structure under dendritic spines ....................... 41
Electric currents in dendrites...............................................43
Magnetic field in dendrites .................................................. 44
Electromagnetic field in soma ............................................. 45