Nervous System.

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Presentation transcript:

Nervous System

Think About It! Are you more than your genes? If so, than what are you? You are electric! How does the nervous make you, you?

I am my Connectome http://www.ted.com/talks/sebastian_seung.html

nodes of Ranvier myelin sheath

Electrochemical Impulses Nervous system is a rapid communication network that detects stimuli and coordinates responses to stimuli The functional unit of the nervous system is the neuron (nerve cell) Neurons transmit information over distances similar to a telephone wire Information is conducted along the neural cell membrane as an electrochemical impulse

What happens between neurons? Synapses Mouse Party task (see next slide)

Homework Watch Nerve Impulse Animation and make notes Synapses - Mouse Party Task: Due Friday June 3rd Go to:http://learn.genetics.utah.edu/content/addiction/drugs/mouse.html Explore the effects of any three of the following drugs on brain function in mice: Heroine, ecstasy, marijuana, methamphetamine, alcohol, cocaine, LSD In your own words, explain how the drug affects brain function and draw a labeled diagram of the synapse depicting the effects for each drug

Functional Classes of Neurons

Relationship of Neuron Types

Divisions of the Nervous System

Opposing actions of the sympathetic and parasympathetic divisions of the peripheral nervous system

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