SLHS 261 Lecture 1 Outline of Current Lecture I. The NeuronA. General Neuronal ArchitectureB. Methods of Communication:These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.i. Chemical communication: when cell becomes depolarized, it releases neurotransmitters which then attach to receptorsiii. Electrical Communication (Saltatory Conduction): Neurons have a resting membrane potential. There is a greater concentration of K+ inside the cell than Na+. Na+ channels open and there is an influx of Na+ into the cell. The cell becomes depolarized and an AP gets fire. Na+ channels close and K+ reenters the cell. K+ overshoots and the cell becomes hyperpolarized. C. Deficits in Electrical Communicationi. CNTNAP2- K+ channels cluster at node of ranvier- gene mutation resultsin problem in connectivity in neurons- This has been linked to Autism Spectrum
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