About this ebook
The journey of a thought begins with physics, not just biology.
Most researchers treat neural signals as clean data points, ignoring the physical distortion, blurring, and attenuation that occurs between the neuron and the sensor.
What are the benefits?
- Master the core biophysical principles of volume conduction.
- Understand how bone and tissue geometry warp electrical potentials.
- Learn to differentiate between true neural activity and physical artifacts.
- Gain a foundational grasp of Maxwell’s equations in biological media.
- Gain unparalleled depth with 210 curated concepts mapped across 21 chapter-specific appendices for comprehensive technical mastery.
What is the roadmap?
1 - The Foundations of Bioelectricity: How Biological Matter Becomes an Electrical Circuit
2 - Electromagnetism in Living Tissue: Applying Maxwell's Equations to the Brain
3 - The Physics of the Cell Membrane: Capacitance and Resistance at the Microscopic Scale
4 - Ionic Current Flow: The Mechanics of Charge Carriers in Solution
5 - The Nernst-Planck Equation: Combining Diffusion and Electrodynamics
6 - Ohm’s Law in Three Dimensions: Conductivity and Resistivity of Biological Media
7 - Quasi-Static Approximation: Why We Can Ignore Inductance in the Brain
8 - The Poisson Equation for Volume Conduction: Linking Source Charges to Observed Potentials
9 - Extracellular Field Potentials: The Summation of Neural Activity in Space
10 - Current Dipoles and Multipoles: Idealized Models of Neural Sources
11 - Anisotropy in White Matter: Direction-Dependent Signal Propagation
12 - The Role of Interstitial Fluid: The Extracellular Matrix as a Conductive Medium
13 - Signal Attenuation and Distance: The Inverse Square Law in Biological Tissue
14 - Boundary Conditions in Bioelectricity: Transitions Between Tissue, Bone, and Air
15 - The Resistive Skull Barrier: How Bone Acts as a Low-Pass Spatial Filter
16 - Scalp Potentials and Skin Impedance: The Final Layer of Signal Transmission
17 - Spatial Blurring and Resolution: The Physical Limits of Localization
18 - Frequency-Dependent Effects: Does the Brain Filter Different Frequencies?
19 - Volume Conduction in the Heart: Comparative Physics of the ECG
20 - Computational Modeling of Fields: Finite Element Methods for Bio-Physics
21 - The Future of Electrophysiological Physics: Beyond the Standard Model of Volume Conduction
Who is the target reader?
Designed for neuroscientists, biomedical engineers, and biophysicists seeking to understand the 'why' behind signal degradation.
How can you take action?
Bridge the gap between raw cellular electricity and the complex signals we record, ensuring your research is grounded in physical reality.
Unlock the hidden physics of the brain and master the art of electrophysiological interpretation.
