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dc.contributor.authorBailey, Laura K.
dc.date.accessioned2014-01-22T16:44:03Z
dc.date.available2014-01-22T16:44:03Z
dc.date.created2013-08
dc.date.issued2014-01-22
dc.identifier.urihttp://knowledgecommons.lakeheadu.ca/handle/2453/534
dc.description.abstractThis study explored two competing hypotheses explaining the association of heart rate variability (HRV) and romantic relationships. HRV refers to the variation between successive heartbeats and is considered to be a noninvasive index of the social engagement system. Recent cross-sectional research has shown differences in HRV reactivity (the difference between HRV during the presentation of positive and negative stimuli) between single and newly coupled individuals. Two opposing explanations for this association were hypothesized. First, beginning a romantic relationship may decrease HRV reactivity through increased activation of the social engagement system during courting. Alternatively, this association could be explained by individuals with initially lower HRV reactivity being more likely to form romantic relationships. In the present study, single female undergraduate students were presented with film clips of various valences while having their cardiac activity monitored. These participants then returned for follow-up either when they had begun a romantic relationship, or at the end of the 6-month observation period if they remained uncoupled. Moderating influences of body mass index (BMI), self-esteem, attachment, and emotional distress were assessed. Results revealed single and coupled participants were comparable in terms of their HRV reactivity at follow-up; neither group showed a significant decline in HRV during the negative film clip. Further, HRV was not systematically affected by a change in relationship status from single to newly coupled. However, lower HRV reactivity was predictive of coupling for low BMI women while the reverse was true for high BMI women. This interaction may be the result of differing success rates of various mating strategies for low and high BMI women. Results support the hypothesis that HRV reactivity, along with BMI, can predict the formation of romantic relationships.en_US
dc.language.isoen_USen_US
dc.subjectHeart rate variability (HRV)en_US
dc.subjectLove and romantic relationship researchen_US
dc.subjectHRV and romantic relationshipsen_US
dc.titleHRV reactivity and new romance: cause or consequence?en_US
dc.typeThesisen_US
etd.degree.nameMaster of Artsen_US
etd.degree.levelMasteren_US
etd.degree.disciplinePsychology : Clinicalen_US
etd.degree.grantorLakehead Universityen_US


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