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Mind Research
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π§ Neuroscience
Foundations
Neuroanatomy
Cellular & Molecular Neuroscience
Systems Neuroscience
Cognitive Neuroscience
Computational Neuroscience
Brain-Computer Interface
Neurotech Frontiers
Neuro Disorders
Cellular & Molecular Neuroscience
Neuron β The Basic Unit of the Nervous System
Synapse β Chemical / Electrical Junctions Between Neurons
Action Potential β The Neuron's Digital Signal
Hodgkin-Huxley Equations β Biophysical Neuron Model
Neurotransmitters β Glutamate, GABA, DA, 5-HT, ACh, etc.
LTP / LTD β Long-Term Synaptic Plasticity, Cellular Basis of Learning & Memory
Ion Channels β The Brain's "Transistors"
Glia β Beyond "Support Cells"
Dendrites
Membrane Potential β Foundation of Neuronal Electrical Signals
Neurotransmitter Receptors
Second Messengers & Signal Transduction
Synaptic Vesicle Cycle
Myelination
Neurotrophins
Axonal Transport
Neuron Types & Cell Taxonomy
Gap Junctions & Electrical Synapses
Astrocyte Function
Activity-Dependent Gene Expression
Table of Contents
1. Action Potential Waveform
2. Ion Mechanisms
2.1 Rest
2.2 Phase 1: Depolarization (Rising)
2.3 Phase 2: Peak
2.4 Phase 3: Repolarization
2.5 Phase 4: Hyperpolarization
2.6 Return to Rest
3. Hodgkin-Huxley Equations
3.1 Gating Dynamics
4. Threshold and All-or-None
5. Propagation
5.1 Unmyelinated Axon
5.2 Myelinated Axon
5.3 Demyelinating Diseases (MS)
6. PyTorch β Numerical Integration of HH
7. Information Encoding
7.1 Rate Coding
7.2 Temporal Coding
7.3 Population Coding
8. Classic Experiment β Squid Axon
9. Simplified vs Real Spike
10. Common Pitfalls
10.1 Threshold Not Fixed
10.2 Spike β Binary
10.3 One Channel Type Insufficient
10.4 Refractory Period Not Absolute
10.5 Dendrites Also Spike
11. Related Concepts
References