BIOL 472 Chapter 9: The Central Nervous System
Document Summary
Computers lack this to analyze the human brain. These signaling pathways creates; thinking, language, feeling, and memory. Neurons: link together to form circuits that have specific functions. Most complex circuits are those in the brain which link into the intricate network. (cid:12254) Plasticity: the ability to change circuit connections and function in response to sensory input and past experience (cid:12254) Spinal reflexes: reflexes that do not require integration in the brain. Neural plate: cells that will become the nervous. System lie in a flattened region (around day. Neural tube: day 23, the neural plate cells have fused with each other. Gray matter: consist of unmyelinated nerve cell bodies, dendrites, and axons. White matter: mostly myelinated axons and contains very few cell bodies. Tracts: bundles of axons that connect different regions of the cns. Nerve tracts: collections of white matter connections linking parts of brain together. Nuclei: gray matter or nerve cell bodies in interior of brain.
