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Neural Correlates of Heart Rate Variability: Threat and Safety Perception
Högskolan i Skövde, Institutionen för biovetenskap.
2018 (engelsk)Independent thesis Basic level (degree of Bachelor), 15 poäng / 22,5 hpOppgave
Abstract [en]

The connection between the heart and the brain was coined 150 years ago by Claude Bernard and has since then been an interesting topic of research. Scientists have for many years searched for biomarkers of stress and health to map the current status of the organism. Heart rate variability (HRV) has been presented as an emerging objective and promising marker to achieve just this. HRV refers to the beat-to-beat variations in heart rate (HR) and is thought to be a useful signal in understanding and providing valuable information of the autonomic nervous system (ANS). HRV has also been proposed as a marker of stress and health by sharing neural correlates and functions with several executive functions. This thesis identified several regions, including the ventromedial prefrontal cortex and the amygdala, in which significant associations across several studies were found between threat and safety perception, emotional regulation and HRV. This suggest that HRV may function as an index of the brain mechanism and structures that guide and govern adaptive functions and thus, provide researchers with valuable information regarding the stress and health of an organism. Two major theoretical frameworks, which articulate and explain the role of HRV as an indicator of individuals ability to adapt to environmental changes and cope under stress is presented. HRV can also be used in practice in several ways and a growing and promising field of application is HRV biofeedback.

sted, utgiver, år, opplag, sider
2018. , s. 44
Emneord [en]
heart rate variability, threat and safety perception, stress, neural correlates, heart-brain connection, cognitive neuroscience
HSV kategori
Identifikatorer
URN: urn:nbn:se:his:diva-15994OAI: oai:DiVA.org:his-15994DiVA, id: diva2:1233855
Fag / kurs
Cognitive Neuroscience
Utdanningsprogram
Psychological Coach
Veileder
Examiner
Tilgjengelig fra: 2018-07-20 Laget: 2018-07-19 Sist oppdatert: 2018-07-20bibliografisk kontrollert

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