医学英语阅读(第2册)Unit 2 The Nervous System.ppt,Epilepsy Chronic brain disorder characterized by seizures (abnormal, rapid, intense neuronal discharge) Types of seizures: Generalized (gran mal) Involve entire body, unconscious Partial: part of the bod
CENTRAL NERVOUS SYSTEM Divisions of the brain (Figure 8-9 and Table 8-1) Brainstem Consists of three parts of brain; named in ascending order: the medulla oblongata, pons, and midbrain Structure—white matter with bits of gray matter scattered through it Function—gray matter in the brainstem...
Satellite cells: surround cell bodies of PNS ganglia Greater Na+ concentration outside Greater K+ concentration inside All resting neurons are polarized (different charge outside than inside), determined by ions, channel pores in membrane K+ crosses easily; Na+ and Ca++ with more difficulty Greate...
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processed by the nervous system • Visual • Auditory • Olfactory Copyright © Allyn & Bacon 2006 Encoding 1. Attention is important –Divided attention interferes with encoding 2. Levels of Processing –Brain encodes information in different ...
NERVOUS SYSTEMS – FUNCTION AT THE CELLULAR LEVEL[神经系统 - 功能在细胞水平](PPT-33) 下载文档 收藏 打印 转格式 29阅读文档大小:4.59M33页4dddc75b上传于2015-01-25格式:PPT 人工智能基础(第2版) x2d;高济 x2d;ai x2d;4 x2d;本 热度: 计算机知识windows系统:开始--运行--命令大全0421050529第一期 ...
《药理学》英文课件 The autonomic nervous system.ppt,The autonomic nervous system overviewThe nervous system exerts its influence by the rapid transmission of electrical impulses over nerve fibers that terminate at effector cells. Introduction to the nerv
A Brief Overview概述 of the Human Nervous System Every human being uses a brain but ironically many people can not successfully name every part of this crucial 关键的organ. Nor do they understand how the brain communicates with 与 交往the rest剩余的 of their body. The goal of this knola ...
Related to central nervous system:peripheral nervous system,autonomic nervous system,sympathetic nervous system,spinal cord,Neurons central nervous system n.Abbr.CNS The portion of the vertebrate nervous system consisting of the brain and spinal cord. ...
Excitable cells of the nervous system (i.e., neurons) generate nervous impulses. Nervous impulses are the electrical signals by which neurons talk to one another and also to other cells of the body. The nervous impulse is referred to as the action potential. An action potential is a brief ...