PPT-DENDRITES

CELL BODY AXON MYELIN SHEATH GLIAL CELL GLIA NODE OF RANVIER a cell that aids in the support of a neuron GLIAL CELL CNS PNS SCHWANN CELLS OLIGODENDROCYTE ASTROCYTE wraps around the axon of neurons in the PNS. Bernard and D Johnston Division of Neuroscience Baylor College of Medicine Houston Texas 77030 Submitted 24 March 2003 accepted in 64257nal form 6 May 2003 Bernard C and D Johnston Distancedependent modi64257able threshold for action potential backp Dendrites are structures that are specialized to receive and process inputs in neurons thus their specific morphologies reflect neural connectivity and influence information flow through circuits Recent studies in Drosophila on the molecular basis o ROBINSON GRAZYNA GORNY ELIZABETH MITTON AND BRYAN KOLB Department of Psychology and Neuroscience Program The University of Michigan Ann Arbor Michigan USA Department of Psychology and Neuroscience University of Lethbridge Lethbridge Alberta Canada to . Learn. What is Reading to Learn is Not. Reading to learn is more than memorizing just to be able to answer questions on a test the next day.. Reading to learn is more than reading to understand what is being read.. Nervous system. Dr. . Makarchuk. . Iryna. The nervous system enables the body to respond to continuous changes in its external and internal environment. It controls and integrates the functional activities of the organs and organ systems. . Does your model neuron have the organelles to be a viable cell?. Is your model neuron able to receive input from the environment or other neurons?. Is your model neuron able to process the inputs it receives?. Early Brain Psychology. 1800’s- German physician Franz Gall invented . phrenology. . . He thought bumps on the skull could reveal mental abilities and character traits. Today, . neuroscientists. study the effect of the brain on behavior.. Neurons. The Goal: . strengthen newly grown dendrites and . n. eural pathways. THE STAGE. Actor: . New. . information. Stage: Prefrontal Cortex – where decisions are made. Audience: Prior Knowledge - dendrites. and. . synapses. Synapses . are often very distant from the . cell body.. How do you get . components to these sites?. Structural . changes in select synapses likely . underlie learning . and . memory. Biosocial Development. Body. Brain. Senses. Good health. Body changes. Size. 2X birth weight by 4 months. 3X birth weight . by age 1. 4X birth weight . by . age 2 . Head sparing. If starving, the body stops growing, but not the brain. Addiction. (. n. ) : a condition of compulsive drug seeking and use, even in the face of negative consequences . Cell Body. (Soma). Dendrites. Axon. Axon Terminals. NEURON. Dendrites receive signals from other neurons. pg. 5. Topic: . 10.2 Neuron Structure. Essential Question. : None.. 2.1 Atoms, Ions, and Molecules. 10.2 Neuron Structure. Number your notebook pages 1-80. Final Group Project Review. 5 minutes. Return to Mrs. M. . As many as 10,000 to 200,000 . minute synaptic knobs called presynaptic terminals . lie on the surfaces of the . dendrites and soma . of the motor neuron, with about 80 to 95 percent of them on the dendrites and only 5 to 20 percent on the soma. Nervous. . System. The nervous system . is divided . structurally. into two parts:.  . The central nervous system . (. CNS. ) is consisting of the of . brain. and . spina. l . cord. ..  . The peripheral nervous system (PNS), .