~BN22 hormonal control

~BN22 hormonal control - Hormonal Control of Behavior...

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Hormonal Control of Behavior Lecture 22
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Chemical Control of Brain Point-to-point control closed-circuit synapse fast, short-lived, local ~
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Chemical Control of Brain Diffuse control widespread control slower, longer lasting Diffuse modulatory systems Neuroendocrine system ~
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Responses to a changing environment detect stimulus make response Effectors muscles glands Autonomic N.S. Homeostasis ~
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2 Types of Glands Exocrine ducts sweat, tears, etc. Endocrine ductless hormones released into blood ~
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Neurohormones Interact with nervous system Chemical message Neurotransmitters (NTs) Hormones Pheromones What’s the difference? ~
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Neurohormones Similarities chemical messengers act at receptors influence behavior Differences medium distance traveled time course ~
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Neurohormone Properties Neurons release molecules into blood Long distances Slower Longer lasting effects Widespread ~
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Developmental sex differentiation testosterone, estradiol Regulatory Insulin, CCK, etc. Vasopressin, Oxytocin ~
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~BN22 hormonal control - Hormonal Control of Behavior...

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