The Nervous System and Neuron Communication--Chapter 4_BB

The Nervous System and Neuron Communication--Chapter 4_BB -...

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Neuroscience and Behavior
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Overview for Chapter 4 Nervous System Neural Communication Endocrine System The Brain
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Introduction Why study the brain? --Everything psychological —every idea, every  mood, every urge – is  simultaneously biological.    --Gall was first to propose  the idea ( that specific  mental processes are  associated with discreet  parts of the brain) with  phrenology in early 1800s
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The nervous system
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The nervous system Three types of neurons in nervous system:  1) Sensory—carry messages from body’s tissues to CNS 2) Motor—message to tissues from CNS 3) Interneurons—CNS’s internal communication system, intervene  b/w 1 and 2.  
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The nervous system Central Nervous system 40 billion neurons, with each having roughly  10,000 contacts = ~400 trillion synapses Neural networks are like miniature ‘cities’ Basically segregated into centers and pathways:  
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This note was uploaded on 06/25/2011 for the course PSYC 101 taught by Professor Cusaac during the Fall '08 term at South Carolina.

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The Nervous System and Neuron Communication--Chapter 4_BB -...

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