Chapter Notes - Chapter One Thinking critically with...

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Chapter One Thinking critically with psychological science 05/02/2010 20:14:00 Theory  – It explains through an integrated set of principles that organizes and  predicts behaviors or events. “ Offers a useful summary” Case Study  – The study of one individual in great depth in the hope of revealing  things true of us all. Survey  – This method looks at cases in less depth. It asks people to report their  behavior or opinions. Naturalistic observations does not explain  behavior, it describes  it. correlation  occurs when surveys and naturalistic. observations  reveal that  one trait or behavior accompanies another. Illusory Correlation  – A perceived but nonexistent  correlation. Experiments  manipulates a factor  to determine it’s effect. In a  double-blinded procedure , neither the participant not the research  assistant collecting the data knows whether the participants’ group is  receiving the treatment. S Q 3 R Survey Question
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Chapter Two Neuroscience and behavior 05/02/2010 20:14:00 Even though humans and animals are different, our neural system operates similarly. It’s beneficial to study simple animals to understand the organization of the neural system of our own. CELL BODY NEURON DENDRITES AXONS ( Listen) ( Speak ) MYELIN SHEATH ( ) Neurons transmit messages when stimulated. ( From sensory receptors, or chemical signals from neighboring neurons. ) Action potential – A brief electrical charge that travels down it’s axon. Threshold – Level of stimulation required to trigger a neural impulse. A gun fires, or it doesn’t
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Synapse – The junction between the axon tip of the sending neuron & the dendrite or cell body of the receiving neuron. That gap is called the synapse gap or cleft. Neurotransmitters – Chemical messengers released from the axon’s end. Reuptake – The re-absorption of excess neurotransmitters. NEUROTRANSMITTERS Acetylcholine . Ach is at every junction between motor neurons & skeletal muscles. If Ach is blocked, then we are paralyzed. Endorphins – Natural opiates Agonists (Excite) [Protagonist] * Antagonists (Inhibit) Nervous system – The body’s electrochemical communication network. (CNS) Central nervous system – The brain and spinal cord .
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(PNS) Peripheral nervous system – Sensory and motor neurons that connect the central Nerves
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This note was uploaded on 05/07/2010 for the course PSYCH PSYC-172 taught by Professor Dixon during the Spring '10 term at Ocean County College.

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Chapter Notes - Chapter One Thinking critically with...

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