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The Brain and Behavior Part 1 Notes

by: Lauren Thompson

The Brain and Behavior Part 1 Notes PSYC-11762-001

Marketplace > Kent State University > Psychlogy > PSYC-11762-001 > The Brain and Behavior Part 1 Notes
Lauren Thompson
General Psychology
Robin L. Joynes

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About this Document

These notes cover part 1 of chapter 2
General Psychology
Robin L. Joynes
Study Guide
50 ?




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This 0 page Study Guide was uploaded by Lauren Thompson on Sunday February 7, 2016. The Study Guide belongs to PSYC-11762-001 at Kent State University taught by Robin L. Joynes in Summer 2015. Since its upload, it has received 120 views. For similar materials see General Psychology in Psychlogy at Kent State University.


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Date Created: 02/07/16
The Brain and Behavior Part 1 Tuesday February 2 2016 615 PM The nervous system The body39s electrochemical communication system 0 What is this 0 Means it has an electrical current and chemicals and uses these to communicate Behavioral Neuroscientist o This is the study of how the nervous system affects and controls behavior 0 Four key characteristics 0 Complexity 0 There are over 100 billion nerve cells 0 Each neuron talks to 10000 of his quotfriendsquot and so one 0 Imagine the complex network of this 0 This is over 1000 different connections to other neurons 0 Integration 0 All different areas of the brain 0 There is taste touch smell sights sounds and emotions o Electrochemical Transmission 0 Communication from nerve cell to nerve cell 0 Chemical messaging system 0 They do not touch chemicals oat across the open space and hits another neuron and so on o Adaptability The nervous system changes it can change to retain memory 0 quotby the time you leave this class your nervous system has changedquot 0 The brain has a special capacity to change and adapt as we experience new things or encounter injuries 0 Example 1 If you lose neurons because of a concussion or being intoxicated Lose a few you don39t notice 0 Example 2 If you lose a lot of neurons you will notice a change 0 Walking and talking after a huge brain injury affects you 0 Because of the plasticity of neurons you can recover these lost neurons to regain what you may havelost Activity dependent plasticity You have to do the movement to get it to happen RepeUUon Organization of the Nervous System 0 Central Nervous system c If you damage neurons they do not come back 0 Peripheral Nervous system c This runs through to muscles and organs and skin 0 If you damage neurons they regenerate Autonomic Nervous System Automatic Nervous System Motor system that automatically and involuntarily activates or inhibits internal organs of the body Nerves here get activated without you have to do anything Involuntary No conscious control 0 Ex Heart beating and Breathing without having to think about it 2 divisions Sympathetic Fight or Flight response 0 To get you ready for something ncease blood ow to muscles pupil dilation to see better increase respiration so you can bring in more oxygen etc Parasympathetic This is for after you calm down 0 After you eat Helps digestion Promotes relaxation Preserving energy for later Somatic Nervous System Voluntary Sensory and motor neurons that reay information about touch and pain to the CNS and sends messages from the brain to the muscles to produce voluntary movement Two divisions Sensory and Motor


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