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Chapter 6.docx - Chapter 6: Emotional Health Biomedical...

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Chapter 6: Emotional HealthBiomedical Model:-First, formal Western model of well-being-Biomedical model defines health as the absence of disease or dysfunctionoA person is good health will be free of abnormal biological changes inor functions of the bodyoLocating and eradicating illness will restore person to good health-Some earlier beliefs adopted physiologically cased concept of health(Cnidians and Galen)-Modern concept of biomedical model due to Robert Koch and Louis PasteuroKoch established that invisible germs (microorganisms) carriedcontagionsBiomedical Model – Limitations:-Science supports association of microorganisms and disease, but criticize thefollowing assumptionoOnly physical agents cause illnessesRepresents a culturally specific perspective about diseasesMicroorganisms are only one of several factors causing illnessoProblem-oriented focusDoes body dysfunction = illness?oLimited definition of illnessIllnesses can occur independent of symptoms and independentof physiological symptomsBiopsychosocial (BPS) Model:-Holistic Health Model-Well-being is determined byoBiological factorsoPsychological factorsoSociological factors-Psychological Factor – EmotionsoHippocrates – pioneered interactions of emotions and medicine inWestern medicineProposed Humoral Theory: imbalance in any one of four bodilyfluids (humors) could lead to illnessE.G., imbalance in black bile leads to sadness or melancholyImbalance in yellow bile – angeroAssociation between health and emotions supported by currentresearchoEmotions affect physiological well-being through immune system andthrough behaviors-Emotions: Efferent and Afferent Nerves
oAfferent nerve fibers: Carry information to CNS (the brain and spinalcord) from the receptor sitesProcesses and interprets informationoEfferent nerve fibers: carry information from CNS to periphery of bodyCoordinates response to signal-Emotions and the Immune SystemoSeveral ways for emotions to affect immune systemoRabin and Colleagues – emotions affect immune system through nervefibers:Fibers connect with central nervous systemNerve fibers carry information from receptor sites to CNSActual message carried by neurochemicals carried within fibers-Impact of emotions on HealthoStress may influence production of hormones (another chemical) thatalso affect immune systemEpinephrine: a stress hormone, helps suppress or “turn down”immune system responseoSuppressed immune system reduces ability to defend body againstmicroorganismsoHigh levels of or prolonged stress increases epinephrine and signalsbrain to suppress immune systemoSchulz found link between depression and mortalityVia production of hormones or unhealthy behaviors-Negative Emotions, Positive EffectsoNegative affect (fear or fright) activates sympathetic nervous systemand stimulates immune systemoNegative emotions can lead to health-enhancing behaviors and

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