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Dissertations / Theses on the topic 'Anger and heart rate'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Guriel, Jennifer L. "Heart rate reactivity, aggression, anger, and antisocial behavior in dating males." Morgantown, W. Va. : [West Virginia University Libraries], 2002. http://etd.wvu.edu/templates/showETD.cfm?recnum=2276.

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2

Newell, Miranda E. "The connection between emotion, brain lateralization, and heart-rate variability /." Download the thesis in PDF, 2005. http://www.lrc.usuhs.mil/dissertations/pdf/Newell2005.pdf.

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3

Saxon, LaDonna Christine. "Heart rhythm variability in persons with chronic pain." Thesis, University of North Texas, 2008. https://digital.library.unt.edu/ark:/67531/metadc9037/.

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The present study evaluated the utility of heart rhythm coherence (HRC) feedback to reduce the reported pain intensity of patients enrolled in a multimodal pain management program. Participants were recruited and assigned to a usual treatment group (UT) or a heart rhythm coherence feedback group (UT+HRC). It was hypothesized that UT+HRC participants who achieved heart rhythm coherence would report a reduction of pain intensity, as measured by the McGill Pain Inventory. For those whose pain intensity decreased, it was also expected that their self reported levels of depression as measured by th

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4

Christ, Nicole M. "Psychophysiological Correlates of Novel, Negative Emotional Stimuli in Trauma-Exposed Participants with PTSD Symptoms." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1534160952853362.

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5

Uhlig, Stefan. "Heart Rate Variability." Doctoral thesis, Universitätsbibliothek Chemnitz, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-233101.

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Ein gesunder Herzschlag zeichnet sich nicht dadurch aus, dass er besonders regelmäßig ist. Vielmehr sollte ein gesunder Herzschlag, selbst in Phasen augenscheinlicher körperlicher Inaktivität, variabel sein (z.B. Appelhans & Luecken, 2006; Berntson et al., 1997; Shaffer, McCraty, & Zerr, 2014). Historisch gesehen ist dies keine völlig neue Erkenntnis – bereits in der frühen chinesischen und griechischen Medizin konnte dieses Phänomen beobachtet werden (einen schönen Überblick hierzu gibt Billman, 2011). Das Zusammenwirken der sympathischen und parasympathischen Bestandteile des autonomen Nerve

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6

Litster, Caroline Elizabeth. "Heart rate, heart rate variability, electrodermal activity and the differentiation-of-deception /." Title page, table of contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09SSPS/09sspsl7769.pdf.

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7

Dodds, Kirsty Lyn. "Heart to Heart: Exploring Heart Rate Variability in Insomnia Patient Subtypes." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/17262.

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Insomnia is one of the most common complaints in medical practice and the sleep disorder of highest prevalence. At least 10% of the worldwide population has chronic insomnia, which has been associated with a range of negative health outcomes. Within the clinical setting, patient subtypes have been defined according to symptomology. More recently insomnia researchers have proposed phenotypes based on total sleep time during overnight polysomnography (PSG). Short-sleeping insomnia patients are purported to be a biologically severe phenotype at higher risk of cardiovascular morbidity, poor mental

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8

Goodie, Jeffrey L. "Transfer of heart rate feedback training to reduce heart rate response to laboratory tasks." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=2118.

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Thesis (Ph. D.)--West Virginia University, 2001.<br>Title from document title page. Document formatted into pages; contains vii, 123 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 59-66).

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9

Liaw, Hibisca. "Underwater measurements of heart rate." Thesis, Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47546.

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The objective of this project is to develop a device that can monitor the heart rate and respiration of cetaceans. This would provide a way to quantitatively measure stress and determine the impact of human activity on cetaceans, especially for certain species that have been difficult to monitor in the past. There are many challenges to developing such a device, including determining the appropriate type of sensor, reducing the effect of flow noise, and designing an effective attachment method; this paper primarily focuses on determining the most suitable acoustic transducer. Experiments were

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10

Patancheru, Govardhan Reddy. "Wearable Heart Rate Measuring Unit." Thesis, Mittuniversitetet, Avdelningen för elektronikkonstruktion, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-23351.

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Despite having the numerous evolved heart rate measuring devices and progress in their development over the years, there always remain the challenges of modern signal processing implementation by a comparatively small size wearable device. This thesis paper presents a wearable reflectance photoplethysmography (PPG) sensor system for measuring the heart rate of a user both in steady and moving states. The size and, power consumption of the device are considered while developing, to ensure an easy deployment of the unit at the measuring site and the ability to power the entire unit with a batter

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11

Sattar, Nedal Abdul. "Heart rate variability in man." Thesis, University of Edinburgh, 1989. http://hdl.handle.net/1842/30723.

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12

Zapanta, Laurence (Laurence F. ). "Heart rate variability in mice with coronary heart disease." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/34118.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2005.<br>Includes bibliographical references (leaves 69-71).<br>Heart rate variability (HRV), the beat-to-beat fluctuation of the heart rate, is a non-invasive test that measures the autonomic regulation of the heart. Assessment of HRV has been shown to predict the risk of mortality in patients after an acute myocardial infarction. Recently, the Krieger lab at MIT developed genetically engineered double knockout (dKO) mice that develop coronary artery disease accompanied by spontaneous m

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13

Lai, Josanna Yuk-Lin. "Is keeping in or letting out anger good for your heart?" Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/30099.

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Given the presumed importance of cardiovascular reactivity and the role of anger in the development of hypertension and coronary heart disease, this study is the first to jointly examine three related areas (i.e. gender effects, anger direction preference, and opportunity/no opportunity to aggress following an anger Inducing situation). The present study tested the following hypotheses: a) that cardiovascular reactivity would vary as a function of subjects' gender and direction preference; b) that the rate of cardiovascular recovery would vary as a function of anger direction preference and op

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14

Muskett, Ashley. "Improving Anxiety Assessment in Autism: A Potential Use for Heart Rate Variability and Heart Rate." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/82233.

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Anxiety is an area of documented challenge for people with Autism Spectrum Disorder (ASD). Despite this, some studies state that those with ASD and language deficits have lower reported anxiety than those without language deficits. This effect may be due to the complicated task of appropriately evaluating anxiety in those with compromised language. Using biomarkers of anxiety, such as reduced Heart Rate Variability (HRV) and increased Heart Rate (HR), may improve anxiety assessment but more research is necessary. Specifically, it would be helpful to understand if the relationship between HRV/H

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15

Kurths, Jürgen, A. Voss, Annette Witt, P. Saparin, H. J. Kleiner, and N. Wessel. "Quantitative analysis of heart rate variability." Universität Potsdam, 1994. http://opus.kobv.de/ubp/volltexte/2007/1347/.

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In the modern industrialized countries every year several hundred thousands of people die due to the sudden cardiac death. The individual risk for this sudden cardiac death cannot be defined precisely by common available, non-invasive diagnostic tools like Holter-monitoring, highly amplified ECG and traditional linear analysis of heart rate variability (HRV). Therefore, we apply some rather unconventional methods of nonlinear dynamics to analyse the HRV. Especially, some complexity measures that are basing on symbolic dynamics as well as a new measure, the renormalized entropy, detect some abn

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16

Migeotte, Pierre-François. "Heart rate variability :applications in microgravity." Doctoral thesis, Universite Libre de Bruxelles, 2003. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/211257.

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17

McFadden, Kristina L. "Heart rate response to Jin Shin." Connect to online resource, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1447673.

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18

Xu, Liang. "Computerised analysis of fetal heart rate." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:9ad2cf2f-45aa-48df-b33f-da27087bd5da.

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This thesis presents a comprehensive work on computerised analysis of fetal heart rate (FHR) features, including feature extraction, feature selection, analysis of influencing factors and setting up/validation of a computerised decision support system. Firstly, a novel feature – pattern readjustment – was extracted and tested. Clinical data were used to train a Support Vector Machine (SVM) to detect pattern readjustment. Then, the association of pattern readjustment and adverse labour outcome was investigated. The validation results with clinical experts show that the pattern readjustment can

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19

Berndtsson, Andreas. "Heart Rate Variability Biofeedback for Android." Thesis, KTH, Medicinsk teknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-136687.

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Heart rate variability (HRV) is the variations in time between consecutive heart beats, and reflects the functioning of the autonomic nervous system. Not only is HRV a good marker for many physiological disorders, but it is well known that HRV can be altered consciously by different approaches even though it is controlled by the autonomic nervous system. Respiration is an important factor in modulating HRV and this property is utilized in HRV biofeedback, which is a method that aims at increasing heart rate variability. HRV biofeedback systems typically measures heart rate variability and disp

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20

Heathers, James. "Methodological improvements in heart rate variability." Thesis, The University of Sydney, 2014. http://hdl.handle.net/2123/13106.

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Heart rate variability (HRV) refers to the amplitude and period of fluctuations in the heart rate over time. HRV is an accessible, low-cost and straightforward technique for measuring autonomic outflow, but also a complicated epiphenomena of interacting autonomic, circulatory and respiratory factors. Confusion about the meaning of HRV is reflected in the literature establishing basic HRV theory, and in the applied literature which uses HRV as a dependent variable or predictor of psychological outcomes. Here, 2 straightforward issues present themselves: 1) best-case practice for methodological

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21

Tkac, Samantha Constance. "Basement Heart." Digital Commons @ Butler University, 2019. https://digitalcommons.butler.edu/grtheses/513.

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Basement Heart is a collection of short stories with a goal of documenting the manifestations of rage and how it evolves throughout a woman’s life. In these stories, femininity is explored through the aesthetics of the grotesque. Female protagonists seek to inhabit new definitions of female sexuality that combat tired expectations made by society’s misogynistic and objectifying culture. Often, their feelings of unprovoked grief manifest themselves as pursuits of the flesh, which becomes the underlying heartbeat of each story; themes revolve around sex and obsession and explore what happens whe

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22

Leslie, Deborah R. "Comparison of training target heart rate determined by percent maximal heart rate reserve and ventilatory threshold in adults." Virtual Press, 1995. http://liblink.bsu.edu/uhtbin/catkey/935928.

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Exercising at an appropriate training intensity for individuals is important for improvement of cardiorespiratory fitness. The American College of Sports Medicine (ACSM) has recommended that healthy adults exercise at an intensity of 60-80% maximal heart rate reserve (MHRR). The ventilatory threshold (VT) has also been recommended for use to determine intensity for exercise prescription. The purpose of this study was to compare the heart rate at the VT (VTHR) and at 60-80% MHRR. A secondary purpose was to determine the relationship, if any, between age, gender, height, weight, body mass index,

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23

Keeney, Janice E. "Effects of Heart Rate Variability Biofeedback-assisted Stress Management Training on Pregnant Women and Fetal Heart Rate Measures." Thesis, University of North Texas, 2008. https://digital.library.unt.edu/ark:/67531/metadc9073/.

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This study examined effectiveness of heart rate variability (HRV) biofeedback-assisted stress management training in reducing anxiety and stress in pregnant women and the effect of maternal stress management skills practice on fetal heart rate measures in real time. Participants were seven working pregnant women who volunteered in response to recruitment announcements and invitations from cooperating midwives. Reported state and trait anxiety and pregnancy specific stress were measured during five 45- to 50-minute training sessions. Training included bibliotherapy, instruction in the use of

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24

Keeney, Janice E. Chandler Cynthia K. "Effects of heart rate variability biofeedback-assisted stress management training on pregnant women and fetal heart rate measures." [Denton, Tex.] : University of North Texas, 2008. http://digital.library.unt.edu/permalink/meta-dc-9073.

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25

Weber-Guskar, Joachim. "Die heart rate turbulence nach repetitiven Extrasystolen." [S.l.] : [s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=974167177.

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26

Alghoul, Karim. "Heart Rate Variability Extraction from Video Signals." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/33003.

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Heart Rate Variability (HRV) analysis has been garnering attention from researchers due to its wide range of applications. Medical researchers have always been interested in Heart Rate (HR) and HRV analysis, but nowadays, investigators from variety of other fields are also probing the subject. For instance, variation in HR and HRV is connected to emotional arousal. Therefore, knowledge from the fields of affective computing and psychology, can be employed to devise machines that understand the emotional states of humans. Recent advancements in non-contact HR and HRV measurement techniques wil

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27

Shakespeare, Simon Adam. "Fetal heart rate derivation via Doppler ultrasound." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342473.

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28

Wearden, Peter D. "Alterations in intrinsic heart rate in endotoxemia." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=725.

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Thesis (Ph. D.)--West Virginia University, 1999.<br>Title from document title page. Document formatted into pages; contains x, 166 p. : ill. (some col.) Vita. Includes abstract. Includes bibliographical references (p. 139-162).

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29

Thapa, Rinku. "Heart Rate Variability in Autism Spectrum Disorder." Thesis, University of Sydney, 2020. https://hdl.handle.net/2123/22968.

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Autism Spectrum Disorders (ASD) are a group of pervasive neurodevelopmental disorders characterised by qualitative impairments in social functioning. Studies over the last three decades have revealed relationships between autonomic dysregulation, indexed by decreased Heart Rate Variability (HRV), and cardiovascular risk in children and adults diagnosed with ASD. HRV is an objective marker that provides physiological insight into the Autonomic Nervous System (ANS). Decreases in HRV are purported to be a risk factor for cardiovascular morbidity, mortality, and poor mental health. The overarching

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30

Persson, Anna. "Heart rate variability for driver sleepiness assessment." Thesis, Linköpings universitet, Institutionen för medicinsk teknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-157187.

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Studies have reported that around 20 % of all traffic accidents are caused by a sleepy driver. Sleepy driving has been compared to drunk driving. A sleepy driver is also an issue in the case of automated vehicles in the future. Handing back the control of the vehicle to a sleepy driver is a serious risk. This has increased the need for a sleepiness estimation system that can be used in the car to warn the driver when driving is not recommended. One commonly used method to estimate sleepiness is to study the heart rate variability, HRV, which is said to reflect the activity of the autonomous ne

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31

Imamdin, Aqeela. "Targeting heart rate as a novel therapeutic approach in acute heart failure." Doctoral thesis, University of Cape Town, 2018. http://hdl.handle.net/11427/29294.

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Background and hypothesis: Standard pharmacological treatment for heart failure improves cardiac remodelling and survival in the setting of chronic heart failure, but is suboptimal in cases of acute heart failure (AHF). Peripartum cardiomyopathy (PPCM), de-novo hypotension (often due to haemorrhagic shock), and Takotsubo cardiomyopathy (TC) are conditions which have acute onset of heart failure, and often present with high mortality rates. In patients treated for these pathologies, a variation in the heart rate is observed and could potentially be used as a target to improve the treatment of A

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32

Blair, Michael L. "The development of the Blair expressive anger rating scales /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3025603.

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33

Saxon, LaDonna Christine Doster Joseph A. 1943. "Heart rhythm variability in persons with chronic pain." [Denton, Tex.] : University of North Texas, 2008. http://digital.library.unt.edu/permalink/meta-dc-9037.

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34

Ramsay, Jean Marilyn Christina. "Psychosocial risk factors for coronary artery disease and symptom reporting." Thesis, University of East London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361848.

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35

Grant, Simon Richard. "Influences on the fetal heart rate in mid-pregnancy and the relationship between fetal heart rate and size at delivery." Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302344.

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36

Corey, Marisha. "Heart rate responses to track and treadmill jogging /." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd778.pdf.

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37

Furilla, Robert Alan. "Control of heart rate during diving in ducks." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/27077.

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Forced submergence of redhead ducks (Aythya americana) caused heart rate to fall from 100 ± 3 beats⋅min⁻ ¹ (mean ± s.e.m., N = 12) to a stable rate of 35 ± 4 beats⋅min⁻ ¹ (N = 12) within 5 seconds after submergence. Bradycardia was unaffected by breathing oxygen before the dive or by denervation of the baroreceptors, but was virtually eliminated by local anaesthesia of the narial region. When freely diving on a man-made pond, heart rate of redhead ducks and lesser scaup (A. affinis) two seconds after submergence was positively correlated with the pre-dive rate (r² = 0.71). Breathing o

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38

Ho, Ian-ian, and 何欣欣. "Heart rate variability and outcome in acute stroke." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46938242.

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39

Clifford, Gari D. "Signal processing methods for heart rate variability analysis." Thesis, University of Oxford, 2002. http://ora.ox.ac.uk/objects/uuid:5129701f-1d40-425a-99a3-59a05e8c1b23.

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Heart rate variability (HRV), the changes in the beat-to-beat heart rate calculated from the electrocardiogram (ECG), is a key indicator of an individual's cardiovascular condition. Assessment of HRV has been shown to aid clinical diagnosis and intervention strategies. However, the variety of HRV estimation methods and contradictory reports in this field indicate that there is a need for a more rigorous investigation of these methods as aids to clinical evaluation. This thesis investigates the development of appropriate HRV signal processing techniques in the context of pilot studies in two fi

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40

Potter, M. J. "Heart rate and behaviour in the domestic chick." Thesis, University of Reading, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376787.

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41

Sinclair, Miriam Rosemary. "Heart rate as a marker of training status." Doctoral thesis, University of Cape Town, 2006. http://hdl.handle.net/11427/3201.

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Includes bibliographical references (p. 231-279).<br>It is generally accepted that a linear relationship exists between heart rate/ workload and oxygen consumption and that heart rate thus accurately reflects workload and exercise intensity. As such, coaches and athletes commonly use heart rate to prescribe exercise and monitor changes in training status. Some studies have however, indicates that heart rate may not always be an accurate indicator of training status under all conditions, due to the possible influence of other variables. However, as measuring heart rate has been shown to be a r

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42

Channell, Rachel Marie. "The Associations of Extraversion and Heart Rate Variability." BYU ScholarsArchive, 2021. https://scholarsarchive.byu.edu/etd/9001.

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Heart rate variability as a measure of cardiovascular health and autonomic activity correlates with psychological resiliency but is not consistently related to trait extraversion, a strong predictor of emotional well-being. This study intends to clarify research findings about trait extraversion and heart rate variability by identifying the context and nature of the relationship between extraversion and physiological responses. As a secondary analysis of data from a study comparing biofeedback and compassionate breathing, extraversion scores were compared with heart rate variability data at th

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43

Assunção, Luís Pedro Santos de. "Heart rate estimation using video in psychology experiments." Master's thesis, Universidade de Aveiro, 2016. http://hdl.handle.net/10773/18459.

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Mestrado em Engenharia de Computadores e Telemática<br>Heart rate is a relevant physiological marker used in several areas, namely psychology, as a measure of the anxiety and stress among other states. Typically, the heart rate is calculated from ECG that implies using dedicated equipment with electrodes placed on the human subject which can be considered invasive in many situations i.e. not comfortable or humanly suitable. With the advances in computer vision several works proposed methods to estimate the heart rate from video capturing skin patches of the subjects (e.g. for head, overall fa

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Boone, Louvonia Rose. "Heart rate variability as a predictor of hypotension." [New Haven, Conn. : s.n.], 2008. http://ymtdl.med.yale.edu/theses/available/etd-11212008-110758/.

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Huang, Yu-Hsiang, and 黃昱翔. "The Autonomic Nervous System and Heart Rate Response in Type D Personality after Induced Anger Reaction." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/83371618232227186197.

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碩士<br>國立中正大學<br>臨床心理學研究所<br>102<br>The association between Type D personality and the adverse prognosis of cardiovascular disease (CVD) has been proved by empirical research. But the psychopathological mechanism linking the disease course, recurrence and severity of CVD with Type D personality is still unknown. Sloan (1999) proposed that autonomic control of the heart may be one of the candidates linking psychological factors to the disease development. Thayer and Lane (2007) suggested that the autonomic imbalance, hypo-activity of parasympathetic nervous system (PSNS) or hyper-activity of sym

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Silverman, Barbara. "Predictors of Catecholamine, Heart Rate and Blood Pressure Activity During the Type A Structured Interview : Anger-management Style." Thesis, 1993. http://hdl.handle.net/10012/5826.

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A subset of data was used from the Waterloo Longitudinal Reactivity Study (WLRS)to examine predictors of cardiovascular reactivity during the Type A Structured Interview (SI). Sex, age, total cholesterol, body mass index (BMI), activity level, smoking, drinking, family history of cardiovascular disease, anger-management styles (i.e., hostility, SI Components, and anger) and respective resting levels for the dependent measures were the predictor variables. Systolic blood pressure (SBP), diastolic blood pressure (DBP), heart rate (HR), norepinephrine, and epinephrine were the dependent measures

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47

"Heart rate variability in heart failure." 2002. http://library.cuhk.edu.hk/record=b5891359.

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by Yeung Yuk-Ching.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2002.<br>Includes bibliographical references (leaves 119-129).<br>Abstracts in English and Chinese.<br>Abstract in English --- p.ii<br>Abstract in Chinese --- p.v<br>Glossary --- p.viii<br>Acknowledgements --- p.x<br>Publications Arising From this Thesis --- p.xii<br>List of Tables --- p.xviii<br>List of Figures --- p.xix<br>Chapter 1 --- INTRODUCTION --- p.1<br>Chapter 1.1 --- Definition of Heart Rate Variability --- p.1<br>Chapter 1.2 --- Physiology --- p.1<br>Chapter 1.2.1 --- Review of Autonomic Nervous Sys

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48

Huang, Yu-Chen, and 黃于珍. "Clustering Heart Beats Using Heart Rate Variability." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/85524778639002113871.

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碩士<br>元智大學<br>資訊管理學系<br>96<br>This study proposes a method to cluster RR Interval time series. First,the distance of any two RR Interval time series is defined based on eight statistic features of Heart Rate Variability (including Mean, SDNN, SDNN Index, SDANN, RMSSD, CV, pNN50 and pNN20). Then, RR Interval time series are clustered based on this distance. Experimental results with various datasets indicate that this method can effectively distinguish different types of RR Interval time series.

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Chiu, Hung-Wen, and 邱泓文. "A mathematical model for heart rate modulated by autonomic nerves and heart rate variability." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/20081265602676004845.

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博士<br>國立陽明大學<br>醫學工程研究所<br>88<br>Heart rate is controlled by combined sympathetic and vagal nervous system. The association of sympathovagal balance to the diagnosis and prognosis of some diseases was evidenced. Heart rate variability (HRV) analysis analyzing the beat-to-beat heart rate variation is considered as a noninvasive tool to assess the autonomic activity. Recently, HRV analysis is widely applied to many different physiological and diseased situations and some inconsistent results of assessment for autonomic activity have raised. In this study, a mathematical model was developed to si

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50

Cimponeriu, Laura Elena. "Dynamics of heart rate variability." Thesis, 1999. http://nemertes.lis.upatras.gr/jspui/handle/10889/3191.

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