This preview shows pages 1–3. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: Psychology 2: Introduction to Psychology Day 4 topics Glial cells and neurons Neural anatomy The action potential Impaired signaling: MS Neuron video Classes of brain cells Neurons Glia Communicative cells Support cells Glial (glue) cells Astrocytes chemical regulation Microglia scavengers Oligodendrocytes myelinate neurons in CNS Schwann cells myelinate neurons in PNS Types of neurons Motor neurons motor signal body Sensory neurons sensory signal brain types? Interneurons neuron neuron Motor neuron Muscle fibers Behold, neural anatomy! a) Dendrites Antenna, receives signals b) Soma Cell body, basic cell functions c) Nucleus Neural DNA d) Axon Hillock Summate incoming impulses d c b a Behold, neural anatomy! e) Axon Electrical signal highway f) Myelin sheath Axon insulation g) Node of Ranvier Space in myelin sheath h) Terminal buttons End of axon f g e h Neural communication Two phases: 1. Electrical (within a neuron)...
View Full Document
- Spring '04