Lecture 21 Environmental Eating

Lecture 21 Environmental Eating - Lecture 21...

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Lecture 21 Environmentally Induced Eating
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Evidence Against a Biological Theory of Eating 1. No feedback from fat has been identified 2. Biological signals are not specific for eating behavior 3. Alternative explanation for VMH lesion induced hyperphagia
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Hypothalamus VMH LH INHIBITS Vagus ( parasympathetic ) Beta Cells (Insulin) HYPERINSULINEMIA
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Evidence Against a Biological Theory of Eating 1. No feedback from fat has been identified 2. Biological signals are not specific for eating behavior 3. Alternative explanation for VMH lesion induced hyperphagia 4. Alternative explanation for VMH stimulation induced anorexia
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VMH stimulation inhibits eating Food Painful Inhibits all behaviors
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Evidence Against a Biological Theory of Eating 1. No feedback from fat has been identified 2. Biological signals are not specific for eating behavior 3. Alternative explanation for VMH lesion induced hyperphagia 4. Alternative explanation for VMH induced stimulation anorexia 5. Alternative explanation for LH lesion induced anorexia
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Thirty animals don’t eat. If feed animal a liquid diet, anorexia is ameliorated
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Lecture 21 Environmental Eating - Lecture 21...

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