Bittium's medical technology in scientific publications.

Cardiac Publications


Bent B et al. Investigating sources of inaccuracy in wearable optical heart rate sensors.
npj Digit. Med, 2020, 3(18)

Vollmer M et al. Alignment of Multi-Sensored Data: Adjustment of Sampling Frequencies and Time Shifts.
Computing in Cardiology, 2019

Kamp MR et al. Monitoring of the Respiratory Rate Recovery Time in Children with Asthma.
American Journal of Respiratory and Critical Care Medicine, 2019; 199:A7179

Hartikainen S et al. Effectiveness of the Chest Strap Electrocardiogram to Detect Atrial Fibrillation.
The American Journal of Cardiology, 2019

Rodrigues A et al. ECG-Based Monitoring of Electrolyte Fluctuations During the Long Interdialytic Interval.
Computing in Cardiology, 2018; Vol 45. 

Hostettler R et al. Motion Artifact Reduction in AmbulatoryElectrocardiography Using Inertial Measurement Units and Kalman Filtering.
In Proceedings of the 21st International Conference on Information Fusion, FUSION 2018

Harju J et al. Determination of saturation, heart rate, and respiratory rate at forearm using a Nellcor forehead SpO2-saturation sensor.
J Clin Monit Comput, 2017, 31

Kaappa ES et al. Performance Analysis of Novel Flexible Electrodes for Wearable ECG/Heart Rate Monitoring.
EMBEC & NBC 2017, IFMBE Proceedings, vol 65.

Joutsen AS et al. Dry electrode sizes in recording ECG and heart rate in wearable applications.
EMBEC & NBC 2017, IFMBE Proceedings, vol 65.

Bodmer T et al. „QT-Life“: Prevention of adverse drug effects, in particular torsade de pointes-events, by pharmacy-based basic data collection.
25th Annual Meeting of the German Drug Utilisation Research Group. 2018.

Simjanoska M et al. Non-Invasive Blood Pressure Estimation from ECG Using Machine Learning Techniques.
Sensors 2018, 18:1160, doi:10.3390/s18041160.

Simjanoska M et al. ECG-derived Blood Pressure Classification using Complexity Analysis-based Machine Learning.
Proceedings of the 11th International Joint Conference on Biomedical Engineering Systems and Technologies, 2018.

Chanel PCC et al. Online ECG-based Features for Cognitive Load Assessment.
2019 IEEE International Conference on Systems, Man and Cybernetics. 2019.

Vuorinen T et al. Validation of Printed, Skinā€Mounted Multilead Electrode for ECG Measurements. Advanced Materials Technologies 2019, 4:9,

Väliaho E-S et al. Wrist band photoplethysmography indetection of individual pulses in atrialfibrillation and algorithm-based detectionof atrial fibrillation. Europace 2019.

Fontana P et al. Applicability of a Textile ECG-Belt for Unattended Sleep Apnoea Monitoring in a Home Setting
Sensors, 2019, 19:15

Lumikari TJ, Putaala J, Kerola A, et al. Continuous 4-week ECG monitoring with adhesive electrodes reveals AF in patients with recent embolic stroke of undetermined source.
Ann Noninvasive Electrocardiol. 2019;e12649

Automated Epileptic Seizure Detection Based on Wearable ECG and PPG in a Hospital Environment
Sensors 2017, 17(10), 2338

Postoperative Cardiac Ischemia Detection by Continuous 12-Lead Electrocardiographic Monitoring in  Vascular Surgery Patients: A Prospective, Observational Study
Journal of Cardiothoracic and Vascular Anesthesia, June 2017, Volume 31, Issue 3, Pages 950–956


Nemcova A and Vitek M. Application of SWT for heart rate monitoring using smartphone camera.
IEEE Student Branch Conference Mikulov, 2017.

Nemcova A et al. Monitoring of heart rate, blood oxygen saturation, and blood pressure using a smartphone.
Biomedical Signal Processing and Control, 59, 2020.

Eggenberger P et al. Prediction of Core Body Temperature Based on Skin Temperature, Heat Flux, and Heart Rate Under Different Exercise and Clothing Conditions in the Heat in Young Adult Males. Frontiers in Physiology. 2018.

Garcia-Gancedo L et al. Objectively monitoring amyotrophic lateral sclerosis patient symptoms during clinical trials with sensors: observational study.
Jmir Mhealth Uhealth 2019, 7(12):e13433

Khan AA et al. Heart rate variability in patients with atrial fibrillation and hypertension.
European Journal of Clinical Investigation. 2020.

Kinnunen HO et al. Feasible assessment of recovery and cardiovascular health: accuracy of nocturnal HR and HRV assessed via ring PPG in comparison to medical grade ECG. Physiol. Meas. 2020.

Kinnunen HO and Koskimäki H. The HRV of the ring - comparison of nocturnal HR and HRV between a commercially available wearable ring and ECG.
2018. SLEEP, Volume 41, Abstract Supplement.

Pakarinen S et al. Modeling the cardiac indices of stress and performance of nuclear power plant operators during simulated fault scenarios.
Psychophysiology, 57, 2020.

Laarni J et al. Promoting Soldier Cognitive Readiness for Battle Tank Operations Through Bio-signal Measurements.
International Conference on Applied Human Factors and Ergonomics. Advances in Intelligent Systems and Computing, vol 953, 2019.

Oliveira V et al. Early Postnatal Heart Rate Variability in Healthy Newborn Infants.
Frontiers in Physiology. 2019.

Laborde S et al. The influence of power posing on cardiac vagal activity.
Acta Psychologica, 199, 2019.

Deussing K et al. Reproducibility of Heart Rate Variability Revealed by Repeated Measurements during and after Hemodialysis.
Blood Purification. 2019.

Vescio B et al. Comparison between Electrocardiographic and Earlobe Pulse Photoplethysmographic Detection for Evaluating Heart Rate Variability in Healthy Subjects in Short- and Long-Term Recordings.
Sensors 2018.

Cliff DP et al. The Preschool Activity, Technology, Health, Adiposity, Behaviour and Cognition (PATH-ABC) cohort study: rationale and design.
BMC Pediatr. 2017, 17:95, doi:10.1186/s12887-017-0846-4.

Gruden T et al. Assessing Drivers’ Physiological Responses Using Consumer Grade Devices.
Appl. Sci. 2019, 9.

Heart Rate Variability and Cardiac Vagal Tone in Psychophysiological Research – Recommendations for Experiment Planning,
Data Analysis, and Data Reporting (Front Psychol. 2017; 8: 213.)

Evaluation and refinement of a methodology for examining the effects of aircraft noise on sleep in communities in the US
Proceedings of Inter-Noise 2016, Hamburg, Germany, August 21-24, 2016

Leinikka M et al. Physiological measurements of drawing and forming activities.
Design Research Society 50th Anniversary Conference 2016.

Cardiac sympathetic index identifies patients with Parkinson's disease and REM behavior disorder
Parkinsonism & Related Disorders, Volume 26, May 2016, Pages 62-66

Adaptive Methods for Managing Heterogeneity in Smart Spaces
IoT360 2015: Internet of Things. IoT Infrastructures pp 344-348

Cognitive Collaboration Found in Cardiac Physiology: Study in Classroom Environment
PLoS ONE 11(7)

Ahonen L et al. Biosignals reflect pair-dynamics in collaborative work: EDA and ECG study of pairprogramming in a classroom environment.
Nature Scientific Reports. 2018.

Pilot study examining the effects of aircraft noise on sleep in communities near Philadelphia International Airport
12th ICBEN Congress on Noise as a Public Health Problem 2017 Papers/SubjectArea05_Basner_0506_3957.pdf

Evaluation and Refinement of a Methodology for Examining the Effects of Aircraft Noise on Sleep in Communities in the US
INTER-NOISE and NOISE-CON Congress and Conference Proceedings, InterNoise16, Hamburg GERMANY, pages 5848-6840, pp. 6353-6357(5)

A Yellow-Orange Wavelength-Based Short-Term Heart Rate Variability Measurement Scheme for WristBased Wearables
IEEE Transactions on Instrumentation and Measurement, Issue: 99

Heart rate variability in psycho-social stress: Comparison between laboratory and real-life setting
Activitas Nervosa Superior Rediviva Volume 58 No. 3 2016

Increased Heart Rate Variability in Allergic and Highly Trait Anxious Individuals
Journal of Pharmacy and Pharmacology 5 (2017) 46-56

Effects of Tibetan music on neuroendocrine and autonomic functions in patients waiting for surgery: a randomized, controlled study.
Anesthesiology Research and Practice, 2018

How to prevent mind-wandering during an EVA? Presentation of a mind-wandering detection method using ECG technology in a Mars-analog environment. Acta Astronautica, Volume 140, November 2017, Pages 105-112

The contribution of coping related variables and cardiac vagal activity on the performance of a dart throwing task under pressure
Physiology & Behavior, Volume 179, 1 October 2017, Pages 116-125


Miettinen T et al. Success Rate and Technical Quality of Home Polysomnography with Self-Applicable  Electrode Set in Subjects with Possible Sleep Bruxism. IEEE J. Biomed. Health Inform. 2017, 22:4, doi:10.1109/JBHI.2017.2741522.

Vandecasteele K et al. Artifact Detection of Wrist Photoplethysmograph Signals.
Proceedings of the 11th International Joint Conference on Biomedical Engineering Systems and Technologies, 2018, vol 4.

Paliakaite B et al. Atrial fibrillation frequency tracking in ambulatory ECG signals: The significance of signal quality assessment.
Computerns in Biology and Medicine. 2018, 102.

Rampichini S et al. Impaired heart rate recovery after sub-maximal physical exercise in people with multiple sclerosis.
Multiple Sclerosis and Related Disorders. 40, 2020.

Neuroscientific Research

Brain state-dependent brain stimulation with real-time electroencephalography-triggered transcranial magnetic stimulation. Maria-Ioanna Stefanou et al. Journal of Visualized Experiments, 2019.

Synchronizing the transcranial magnetic pulse with electroencephalographic recordings effectively reduces inter-trial variability of the pulse artefact. Leo Tomasevic et al. PLoS ONE, 2017.

Prefrontal Theta-Phase Synchronized Brain Stimulation With Real-Time EEG-Triggered TMS P. C. Gordon, S.Dörre, P. Belardinelli, M. Stenroos, B. Zrenner, U. Ziemann and C. Zrenner Front. Hum. Neurosci. 15:691821

Sleep-dependent upscaled excitability and saturated neuroplasticity in the human brain: From brain physiology to cognition M. A. Salehinejad, E. Ghanavati, J. Reinders, J. G. Hengstler, M.-F. Kuo, M. A. Nitsche bioRxiv 2021.04.28.441823; doi:

Voluntary motor commands are preferentially released during restricted sensorimotor beta rhythm phases S. J. Hussain, M. K. Vollmer, I. Iturrate, R. Quentin bioRxiv 776393; doi:

A set of electroencephalographic (EEG) data recorded during amplitude-modulated transcranial alternating current stimulation (AM-tACS) targeting 10-Hz steady-state visually evoked potentials (SSVEP) D. Haslacher, K. Nasr, S. E. Robinson, C. Braun, S. R. Soekadar Data in Brief 36 (2021) 107011

Decreased intersubject synchrony in dynamic valence ratings of sad movie contents in dysphoric individuals X. Li, Y. Zhu, E. Vuoriainen, C. Ye, P. Astikainen Scientific Reports (2021) 11:14419

Cardiac Activity Impacts Cortical Motor Excitability E. Al, T. Stephani, M. Engelhardt, A. Villringer, V. Nikulin Research Square 2021

Phase-dependent offline enhancement of human motor memory S. J. Hussain, M. K. Vollmer, J. Stimely, G. Norato, C. Zrenner, U. Ziemann, E. R. Buch, L. G. Cohen BrainStimulation 14(4) 2021