Neuron - PowerPoint PPT Presentation


Neurologic Disorder

Structural divisions of the central and peripheral nervous systems, learn about neuron anatomy, the neuromuscular junction, and the role of neurotransmitters. Includes information on Acetylcholine, Norepinephrine, Dopamine, and Serotonin.

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Brain Cells

Delve into the fascinating world of brain cells and neurons to understand their structure, function, and communication process. Explore the microscopic level composition of the brain, the significance of neuron shapes, and the intricate workings of synapses in transmitting signals between neurons. U

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The Law-Gold model

Explore the intricate workings of sensory representation, individual neuron modeling, interneuron correlations, decision variable construction, and reinforcement learning in neuronal populations. Gain insights into how neuronal responses are pooled to form decision variables used for creating weight

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Network Compression Techniques: Overview and Practical Issues

Various network compression techniques such as network pruning, knowledge distillation, and parameter quantization are discussed in this content. The importance of pruning redundant weights and neurons in over-parameterized networks is highlighted. Practical issues like weight pruning and neuron pru

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Understanding Electromyography (EMG) and Motor Neurons

Electromyography (EMG) is an electrodiagnostic technique used to evaluate muscle health by measuring electrical activity. EMG measures muscle response to nerve signals, displayed as waves on an oscilloscope. Motor neurons transmit signals from the brain to muscles, enabling movement. Upper motor neu

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Unlocking the Power of the Human Brain: Insights from 11th ICPAR Annual Training Conference

Delve into the intricacies of the human brain at the upcoming 11th ICPAR Annual Training Conference themed around "Brain Power to Embrace Change and Emotional Stability." Explore the control center of our minds, the cerebral cortex, the limbic system, and the role of neurons in conscious mental reac

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Understanding Spiking Neurons and Spiking Neural Networks

Spiking neural networks (SNNs) are a new approach modeled after the brain's operations, aiming for low-power neurons, billions of connections, and high accuracy training algorithms. Spiking neurons have unique features and are more energy-efficient than traditional artificial neural networks. Explor

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Understanding Motor Units and Neurotransmitters in Muscle Contraction

Motor units consist of a motor neuron and the muscle fibers it innervates. Neurotransmitters like acetylcholine play a vital role in stimulating muscle contraction by transmitting signals at the neuromuscular junction. This communication between neurons and muscles is essential for proper movement a

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Understanding Word2Vec: Creating Dense Vectors for Neural Networks

Word2Vec is a technique used to create dense vectors to represent words in neural networks. By distinguishing target and context words, the network input and output layers are defined. Through training, the neural network predicts target words and minimizes loss. The hidden layer's neuron count dete

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Understanding Strength-Duration Curve in Neuromuscular Stimulation

The strength-duration curve depicts the relationship between electrical stimulus intensity and time required for minimal muscle contraction. It helps assess nerve damage in lower motor neuron lesions. Various types of curves exist based on innervation status, such as normal innervation, complete den

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Understanding the Nervous System: A Comprehensive Overview

The nervous system consists of the central nervous system (CNS) and peripheral nervous system (PNS), with neurons as its basic unit. Neurons function as sensory, associative, and motor types, carrying impulses within the body. Parts of a neuron include the cell body, dendrites, axon, and terminal en

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Understanding How Your Brain Works: Memory, Attention, and Processing

Delve into the intricate workings of memory, attention, and cognitive processing in the brain as explored by Prof. Jan Schnupp. Discover the various types of memory, including short-term and long-term, procedural, declarative, and more. Explore the concept of working memory and its neuronal mediatio

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Exploring 2D Neuron Models and Phase Plane Analysis

Dive into the transition from Hodgkin-Huxley to 2D neuron models, understanding phase plane analysis, and analyzing different neuron types like Type I and II models with a focus on limit cycles, firing threshold, and separation of time scales.

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Understanding Adrenergic Neuron Blockers: Mechanisms and Pharmacological Effects

Explore the mechanisms of action of adrenergic neuron blockers and classify adrenergic receptor blockers into selective and non-selective categories. Delve into the pharmacokinetic aspects and pharmacodynamic effects of these blockers, such as false transmitter formation, store depletion, release in

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Biological Modeling of Neuronal Networks: Insights from Neural Dynamics

Exploring neuron models, generalized linear models, and decoding processes in neural networks through intracellular and extracellular recordings, with a focus on processing models, encoding, and decoding of spike trains. The Spike Response Model and likelihood of spike trains are discussed, providin

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Understanding Spasticity and Increased Muscle Tone in Neurological Disorders

Spasticity and increased muscle tone are common features in neurological disorders, characterized by hyperactive stretch reflexes and muscle contractions. Spasticity is velocity-dependent and associated with upper motor neuron lesions, leading to increased resistance to passive movement. Rigidity, o

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Understanding Upper and Lower Motor Neuron Lesions: Effects and Manifestations

This content delves into the intricacies of upper and lower motor neuron lesions, detailing their effects and manifestations in the human body. It explores the causes, types of paralysis, reflexes, muscle tone changes, and the impact of lesions at various levels of the motor system. The insights pro

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Understanding Active Transport in Cells

Active transport allows cells to move molecules against their concentration gradients by using energy and carrier proteins. This process requires ATP, involves carrier proteins acting as pumps, and is selective in the molecules it transports. The Na+/K+ATPase pump is a key example of active transpor

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Understanding Neural Processing and the Endocrine System

Explore the intricate communication network of the nervous system, from nerve cells transmitting messages to the role of dendrites and axons in neural transmission. Learn about the importance of insulation in neuron communication, the speed of neural impulses, and the processes involved in triggerin

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Understanding the Nervous System: Structure and Function

The nervous system is a complex network divided into the central nervous system (CNS) and peripheral nervous system (PNS). Neuroglia, or supporting cells, play vital roles in maintaining the health and function of neurons. Neurons, the fundamental units of the nervous system, vary in structure and f

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Understanding Deep Learning Concepts through Podolski's Slides

Delve into the world of deep learning with Podolski's presentation slides covering topics like motivation, neural networks, Andrew Ng's perspectives, neuron types, and the essence of feature representation in deep learning algorithms.

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Understanding Neuromuscular Junction Disorders with Dr. Hana Albulaihe

An in-depth exploration of neuromuscular junction (NMJ) anatomy, physiology, and associated disorders by Dr. Hana Albulaihe, a renowned Consultant Neurologist. The NMJ comprises the axon terminal of a motor neuron and the motor end plate of a muscle fiber. Disorders discussed include Myasthenia grav

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Understanding Neurology: Localization, Neuroaxis Structures, and Motor Neuron Signs

Explore the intricate world of neurology with a focus on brain localization, neuroaxis structures, and the distinctions between upper and lower motor neuron signs. Delve into the functions of brain lobes, brain stem anatomy, and spinal cord functions. Discover how upper motor neuron signs indicate l

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Understanding the Physiology of the Spinal Cord

The spinal cord serves as the information highway between the brain and body, allowing for sensory input reception and motor signal transmission. It plays a crucial role in locomotion, reflex responses, and overall coordination of muscle activities. The cylinder of nerve tissue within the vertebral

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Approach to Acute Flaccid Paralysis in Children: Evaluation and Management

Acute muscular weakness in children is a neurological emergency defined by sudden onset muscle weakness or paralysis in less than 5 days. When evaluating a child with acute flaccid paralysis, consider factors like onset rhythm, associated symptoms, and past medical history. A thorough physical and n

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Understanding Spasticity and Muscle Tone Disorders

Spasticity is a motor disorder characterized by increased muscle tone and exaggerated reflexes, typically associated with upper motor neuron lesions. This article explains the differences between upper and lower motor neuron lesions, the neurophysiology of spasticity, causes, effects, and treatments

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Spiking Neural Network with Fixed Synaptic Weights for Classification

This study presents a spiking neural network with fixed synaptic weights based on logistic maps for a classification task. The model incorporates a leaky integrate-and-fire neuron model and explores the use of logistic maps in synaptic weight initialization. The work aims to investigate the effectiv

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