Appetite 0.0 / 5 ? PsychologyBehavioural NeuroscienceUniversityNone Created by: charliewoodxCreated on: 08-05-17 16:32 what do the set point theories comprise? set point mechanism (optimum value for parameter), detector mechanism (detects deviations) and effector mechanism (eliminates deviations) 1 of 7 what are the set point theories? thermostatic theory (temperature), adipostatic theory (fat), glucostatic theory (glucose), and aminostatic theory (protein) 2 of 7 what 2 sources of ARC are involved in appetite regulation? neuropeptide Y system (NPY) and melanocortin system (alphaMSH) - NPY stimulates, alphaMSH inhibits 3 of 7 what does NPY mainly act via? NPY - acts via Y1 and Y5 receptors ---- alphaMSH acts via MC3R and MC4R receptors 4 of 7 what are orexigenic substances? those that increase food intake/weight gain - e.g. ghrelin, NPY and endocrannabis 5 of 7 what are anorexigenic substances? decrease food intake/weight gain - e.g. leptin, serotonin and oxytomodulin 6 of 7 what measures did Rodgers et al (2010) take to measure animal food intake? eating, grooming, resting, drinking, locomotion, rearing and sniffing 7 of 7
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