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U-M PSYCH 112 - Homeostatic

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Lecture 7I. Biological MotivesHungerThirstSexMaintain TemperatureExcrete WasteMaintain medium arousalII. Social MotivesAchieveBondBe autonomousEstablish dominanceExpress oneselfLearnIII. Homeostatic motivationsare things such as thermostat.Thermostat monitor temperatureIf the temperature gets too hot or too cold the heat/air will shut off or come on.The nervous and endocrine system are specialized for command and control.IV. ThermoregulationV. ChronobiologyUltradian rhythms > 24 hourMenstrual CycleAnnual CycleCircadian rhythms ~ 24 hourSleep & WakingInfradian rhythms < 24 hourSleep stagesVI. ThermoregulationSensorsEffectorsHeating- constriction of surface blood vesselsRaising of small body hairsShiveringCoolingDilation of surface blood vesselsLowering of small body hairsPerspirationVII. Why is control centralized?Getu MediationThey can mediate naked in the snowThey can raise their body temperature through mediation.Command and control is centralized for informed behaviorVIII. HydrationBlood plasma volumeBlood plasma osmolalityBlood pressurePregnancyIt is a lot of redundancy to prevent people from being too thirsty.Rare for people to fie for over hydration.Command-and-control systems have a computational structure analytically distinct from their partially redundant biological implantation.IX. Food Preferences (Nutrition)InbornWe want food consume felts and simple sugarsRegionalWe want to eat food that taste like homeReally spicy food takes longer to spoilHunger regulation cycleGetting hungryAlliesthesiaHelps us stop eating, food we love once we are stuff it makes the food not taste as amazing weight maintence.Set Point TheoryIn opposition to born with a certain number of fat cells.Helps decrease of appetite increased metabolism.PathologiesObesityOver consumptionDiagnostic CriteriaObsession with weightDisturbed body imageBulimia NervosaRemainder categoryObsession with weightBody Dysmorphic DisorderCause anxiety, isolation, shameSufferers often seek plastic surgeryPSYCH 112 1st Edition Lecture 7 I. Biological Motives- Hunger- Thirst- Sex- Maintain Temperature- Excrete Waste- Maintain medium arousal II. Social Motives - Achieve - Bond- Be autonomous- Establish dominance - Express oneself- Learn III. Homeostatic motivations - are things such as thermostat.o Thermostat monitor temperature If the temperature gets too hot or too cold the heat/air will shut off or come on.- The nervous and endocrine system are specialized for command and control. IV. Thermoregulation V. Chronobiology - Ultradian rhythms > 24 hour o Menstrual Cycleo Annual Cycle- Circadian rhythms ~ 24 houro Sleep & Waking- Infradian rhythms < 24 houro Sleep stages  VI. Thermoregulation- Sensors - Effectorso Heating- constriction of surface blood vessels  Raising of small body hairs Shiveringo Cooling Dilation of surface blood vessels  Lowering of small body hairs Perspiration VII. Why is control centralized?- Getu Mediation o They can mediate naked in the snowo They can raise their body temperature through mediation.- Command and control is centralized for informed behavior VIII. Hydration- Blood plasma volume- Blood plasma osmolality - Blood pressure- Pregnancy- It is a lot of redundancy to prevent people from being too thirsty.- Rare for people to fie for over hydration.- Command-and-control systems have a computational structure analytically distinct from their partially redundant biological implantation. IX. Food Preferences (Nutrition) - Inborno We want food consume felts and simple sugars- Regional o We want to eat food that taste like homeo Really spicy food takes longer to spoil- Hunger regulation cycle - Getting hungryAlliesthesiao Helps us stop eating, food we love once we are stuff it makes the food not taste as amazing weight maintence.- Set Point Theory o In opposition to born with a certain number of fat cells.o Helps decrease of appetite increased metabolism.- Pathologieso Obesity  Over consumptionAnorexia Nervosao Diagnostic Criteria  Obsession with weight Disturbed body image o Bulimia Nervosa Remainder category Obsession with weight- Body Dysmorphic Disordero Cause anxiety, isolation, shame o Sufferers often seek plastic


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