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Showing posts with the label action potentials

How Neurons Work: Chapter 19 – Ten Tricks of Neurons | Neuroscience for Dummies Summary

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How Neurons Work: Chapter 19 – Ten Tricks of Neurons | Neuroscience for Dummies Summary Chapter 19 of Neuroscience for Dummies (3rd Edition) dives into the incredible toolkit neurons use to process information, learn from experience, and send signals across the brain and body. From the structure of dendritic spines to the speed of myelinated axons, this chapter reveals ten powerful tricks that make neurons the ultimate communicators of the nervous system. This blog expands on our Last Minute Lecture podcast summary of Chapter 19. Watch the video below and subscribe to the channel for more chapter-by-chapter textbook breakdowns. 1. Overcoming Size Limitations with Dendrites Neurons need a large surface area to form thousands of synaptic connections. They achieve this through complex branching and dendritic spines , which allow efficient reception of chemical signals across a wide surface area. 2. Dendritic Spines & Learning These tiny protrusions aren’t just structu...

How Neurons Work — Neuroscience for Dummies Chapter 3 Summary: Neurotransmitters, Signals & Glial Cells

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How Neurons Work — Neuroscience for Dummies Chapter 3 Summary: Neurotransmitters, Signals & Glial Cells Welcome to Last Minute Lecture , your go-to resource for podcast-style academic summaries. In this post, we explore Chapter 3 of Neuroscience for Dummies (3rd Edition) , focusing on how neurons operate, communicate, and contribute to brain function. This foundational chapter breaks down the structure of a neuron, the mechanics of action potentials, the complexity of synaptic signaling, and the essential role of glial cells. Whether you're studying neurobiology, psychology, or medicine, this summary will clarify one of the most important topics in neuroscience. What Are Neurons and How Do They Work? Neurons are the building blocks of the nervous system. Each neuron consists of dendrites (which receive input), a cell body (which integrates the signals), and an axon (which sends output to other neurons). Information is transmitted via action potentials , electrical ...