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Showing posts with the label synaptic plasticity

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...

Learning, Memory & Neural Adaptation — Neuroscience for Dummies Chapter 15 Summary

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Learning, Memory & Neural Adaptation — Neuroscience for Dummies Chapter 15 Summary Welcome back to Last Minute Lecture ! In this podcast-style summary of Chapter 15 from Neuroscience for Dummies (3rd Edition) , we explore how the brain learns, stores, and retrieves information through neural adaptation. From the formation of long-term memories to memory disorders like amnesia and false memories, this chapter breaks down the neuroscience of learning in a clear and digestible format. How the Brain Learns and Adapts The foundation of learning lies in synaptic plasticity —the brain’s ability to strengthen or weaken neural connections in response to experience. Long-Term Potentiation (LTP) is a primary mechanism behind memory storage, allowing repeated stimulation to enhance the efficiency of synaptic transmission. One of the most vital brain structures for memory is the hippocampus , which consolidates short-term memories into long-term storage. Damage to the hippocampus o...