Chapter 04

Interactions between waves and living systems

What determines the field inside a living system—and how do we investigate its response?

The core of the course: material response, penetration, bioelectric signals, and interactions at cell and bacterial scales.

Content in preparation7 subsections

Course map · 4 / 9

Based on the instructor’s outline

Inside this chapter

Open any subsection to see its scope, opening question, and the lesson structure prepared for it.

4.1

Content in preparation

Homogeneous and heterogeneous; dispersive and nondispersive; isotropic and anisotropic media.

4.2

Related example available

Conductivity, permittivity, and current mechanisms; the existing interactive example is connected here.

4.3

Content in preparation

Study when and how fields enter the body, with attention to frequency, boundaries, and material properties.

4.4

Content in preparation

Connect membrane transport to electrical descriptions of cellular excitability and action potentials.

4.5

Priority topic

A central topic for this course: exposure, cellular and bacterial response, mechanisms, and interpretation of evidence.

4.6

Content in preparation

Introduce brain, cardiac, and retinal electrical recordings and questions about signal origin and interpretation.

4.7

Content in preparation

Electromagnetic descriptions of the heart, kidney, and brain, with attention to tissue scale and model assumptions.