GE CLST 73A Lecture Notes - Lecture 3: Astrocytoma, Motor Neuron, Myelin
23 Feb 2017
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Document Summary
The brain is both symmetrical and asymmetrical the brain contrls different sides of the body there are some functions that come on only one side of the brain language always on the left side of the brain. The nervous system works through excitation and inhibition. Newer brain levels are added as organisms evolved lower organisms have simplified nervous systems. Localized and distributed functions localized: within a specific area. Ex: memory controlled in hippocampus and cortex. Use it or lose it important concept for aging. Never to stop doing things to reduce progression of alzheimer"s is to do cognitive things. Neurons are separate entities and aren"t physically touching each other - santiago ramon y. Camillo golgi: neurons are one thing plasticity neuron connections are never static - they are constantly being changed exuberant connections wither away. Brains come in different sizes for different animals. Dendrites: (has spines for synaptic cleft) prime receiving area of the neuron. receives signal.
