Chapter+2 - Chapter 2 Neuroscience and Behavior Lecture...

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Chapter 2 Neuroscience and Behavior
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Lecture Outline Biological psychology Neurons and neural communication Neurotransmitters Nervous system Endocrine system Examining the brain Brain structures and their functions
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Biological Psychology Branch of psychology concerned with the links between __________ and __________ Also called behavioral neuroscientists, neuropsychologists, behavior geneticists, physiological psychologists, or biopsychologists
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The Neuron ________________; basic building blocks of the nervous system Consists of 3 major parts: __________ ______: sends messages, covered in ______ __________ : receive messages Neurons do not physically touch __________ = gap between one neuron’s axon and another neuron’s dendrite
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A Motor Neuron (Figure 2.2)
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Closer Look at the Neuron Axon mostly contains __________ charged ions (__________ polarity) __________ charged ions surround the neuron Neuron has gates that allow ions to flow in/out - - + - - - - + - - + - + + - + + + + - + + - + + +
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Action Potential When a neuron receives a signal from other neurons, the balance of ions starts to change If the change in ions causes the axon to become __________ -charged, an action potential occurs Neural impulse
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Chapter+2 - Chapter 2 Neuroscience and Behavior Lecture...

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