Peer-reviewed papers, preprints and talks describing research at the intersection of digital health and clinical practice

Associate Professor Rachel Heath's research examines how digital tools can be designed, validated, and deployed to produce meaningful wellness monitoring outcomes in normal lifestyle and clinical settings.

RESEARCH

Relevant publications, preprints and talks

Applications in Psychology and Medicine

BOOK CHAPTER2007

Complex dynamics in depression: An application to long-term, mood-rating time series.

Heath, R.A., Heiby, E.M., Pagano, I.S.

In J. Neufeld (Ed.). Advances in clinical cognitive science: Formal modeling and assessment of processes and symptoms. (pp. 263-292) Washington, D.C.: APA Publications.

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BOOK CHAPTER2004

Complexity and mental health.

Heath, R.A.

In Holt, T. (Ed.), Complexity for clinicians. (pp. 83-94) Oxford, UK: Radcliffe Medical Press.

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JOURNAL ARTICLE2016

Multifractal dynamics of activity data in Bipolar Disorder: Towards automated early warning of manic relapse.

Heath, R.A., & Murray, G.

Fractal Geometry and Nonlinear Analysis in Medicine and Biology, 2, 140-149.

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journal article2010

Evidence of reduced complexity in self-report data from patients with medically unexplained symptoms.

Burton, C., Heath, R.A., Weller, D., & Sharpe, D. (2010).

Nonlinear Dynamics in Psychology and Life Sciences, 14, 15-25.

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Journal article2003

Modelling unipolar depression as a chaotic process.

Heiby, E.M., Pagano, I.S., Blaine, D.D., Nelson, K., & Heath, R.A.

Psychological Assessment, 15, 426-434.

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Conference paperFebruary, 2022

Application of the Gaussian stochastic multiplicative cascade model to choice response time (and Covid) data.

Heath, R.A.

Australasian Mathematical Psychology Conference, University of Queensland, Australia.

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invited talkNovember 2019

Predicting relapse using wearables.

Heath, R.A.

University of Newcastle Integrated Innovation Network.

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conference posterJuly 2019

Preventative mental health monitoring using wearable devices.

Heath, R.A.

First Australian LGBT STEMM Conference, University of Melbourne, Australia.

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conference paperMarch 2019

Automated lifestyle assessment and relapse monitoring.

Heath, R.A.

Eighth International Nonlinear Science Conference, University of Coimbra, Portugal.

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invited talkJuly 2017

Improving the lifestyle prospects for people diagnosed with mood disorder and other chronic illnesses.

Heath, R.A.

School of Nursing and Midwifery, University of Newcastle, Australia.

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invited talkJune, 2016

Multifractal dynamics of activity data in Bipolar Disorder: Techniques for predicting episode risk.

Heath, R.A., & Murray, G.

Department of Statistics, University of Newcastle, Australia.

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INVITED TALKOctober, 2015

What can multifractals, permutation entropy, and missing data tell us about mood disorder?

Heath, R.A.

Newcastle Personal Analytics Group, School of Psychology, University of Newcastle, Australia.

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conference talkDecember, 2005

Complexity indices for ordinal time series: A test of the maladaptive determinism hypothesis in Borderline Personality Disorder.

Heath, R.A. & Davies, J.

Australasian Mathematical Psychology Conference, University of Adelaide, South Australia

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invited talkMarch, 2004

Automatic and controlled processing: A nonlinear dynamical representation of environmental adaptation.

Heath, R.A.

School of Psychology, University of Sydney, Australia.

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conference talkNovember, 2003

Nonlinear dynamics and mental health.

Heath, R.A., & Heathcote, A.

Eleventh Australasian Mathematical Psychology Conference, University of Sydney, Australia

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invited talkApril, 2002

Detecting nonlinear processes in experimental data: Applications in psychology and medicine.

Heath, R.A.

Department of Mathematics, Northumbria University, Newcastle-upon-Tyne, UK.

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journal article2006

Spiral drawing performance as an indicator of fine motor function in people with multiple sclerosis.

Longstaff, M.G., & Heath, R.A.

Human Movement Science, 25, 471-491.

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invited talk2022

Using Your Wearable device and Mobile to Stay Well.

Heath, R.A.

University of the Third Age, Newcastle, Australia

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Theoretical Research

Journal article2015

Detecting nonlinearity and edge-of-chaos phenomena in ordinal data.

Heath, R.A.

Nonlinear Dynamics in Psychology and Life Sciences, 19, 229-249.

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invited talk2017

From complexity does simplicity arise. A new way to quantify how people respond to environmental change using behavioural and physiological measurements.

Heath, R.A.

School of Psychology, University of Newcastle, Australia

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Invited talkAugust, 2015

Tapping into our information processing capacity: A novel method for cognitive analysis using multiplicative cascades.

Heath, R.A.

School of Psychology, University of Newcastle, Australia.

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Conference talk2015

Our multifractal world: Evidence from human decision making and activity monitoring.

Heath, R.A.

Society for Mathematical Psychology Annual Meeting, University of California at Irvine, Irvine, CA, USA.

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conference talkAugust, 2014

Permutation entropy of activity data acquired from lifestyle monitoring devices.

Heath, R.A.

Annual International Conference of the Society for Chaos Theory in Psychology and Life Sciences, Marquette University, Milwaukee, WI, USA.

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journal article2020

Assessing cross-modal interference in the detection response task.

Thorpe, A., Innes, R., Townsend, J., Heath, R., Nesbitt, K., & Eidels, A.

Journal of Mathematical Psychology, 98, 102390.

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conference paperYear

Human implicit recognition of chaos: An empirical and theoretical investigation using cross-correlation analysis and multifractal detrended fluctuation analysis.

Heath, R.A., & Tisdell, B.

Eighth International Nonlinear Science Conference, University of Coimbra, Portugal.

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conference paperApril, 2015

Choice response time: Evidence of nonlinearity revealed by multifractal analysis.

Heath, R.A., & Heathcote, A.

Australasian Experimental Psychology Conference, University of Sydney, Australia

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conference paperApril, 2017

Implicit recognition of chaos: An analysis of performance in a visual tracking task using cross-correlation and multifractal analysis.

Heath, R.A., & Tisdell, B.

44th Australian Experimental Psychology Conference, University of Newcastle, Australia

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book chapterYear

A general adaptive filter model for human associative memory.

Heath, R.A.

In J.-P. Doignon & J.-Cl. Falmagne (Eds.), Mathematical psychology: current developments. New York: Springer-Verlag, pp. 415-436.

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book chapter1989

An autoassociative model for human memory based on an adaptive Kalman filter.

Heath, R.A.

In Vickers, D. & Smith, P.L. (Eds.) Human information processing: Measures, mechanisms, and models. Elsevier Scientific Press, pp.411-434.

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journal article2003

The influence of motor system degradation on the control of handwriting movements: A dynamical systems analysis.

Longstaff, M.G. & Heath, R.A.

Human Movement Science, 22, 91-110.

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journal article2002

Are people sensitive to chaos?

Heath, R.A.

Nonlinear Dynamics, Psychology and Life Sciences, 6, 37-54.

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journal article2001

Response-time dynamics: Evidence for linear and low-dimensional nonlinear structure in human choice sequences.

Kelly, A., Heathcote, A., Heath, R., & Longstaff, M.

Quarterly Journal of Experimental Psychology, 54, 805-840.

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journal articleYear

Space-time invariance in adult handwriting.

Longstaff, M.G. & Heath, R.A.

Acta Psychologica, 97, 201-214.

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journal articleYear

Behavioural and physiological indices of fatigue in a visual tracking task.

Mascord, D. & Heath, R.A.

Journal of Safety Research, 23, 19-25.

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journal article1988

An adaptive filter model for recognition memory.

Heath, R.A. & Fulham, R.

British Journal of Mathematical and Statistical Psychology, 41, 119-144

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Research collaboration and enquiries

Associate Professor Heath welcomes enquiries from clinicians, researchers, and health services interested in research collaboration, clinical implementation of SykTek® Well, or academic partnership.

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