Heart rate variability-derived thresholds for exercise intensity prescription in endurance sports: a systematic review of interrelations and agreement with different …

S Kaufmann, T Gronwald, F Herold, O Hoos - Sports medicine-open, 2023 - Springer
Background Exercise intensities are prescribed using specific intensity zones (moderate,
heavy, and severe) determined by a 'lower'and a 'higher'threshold. Typically, ventilatory (VT) …

Neural manifold analysis of brain circuit dynamics in health and disease

R Mitchell-Heggs, S Prado, GP Gava, MA Go… - Journal of computational …, 2023 - Springer
Recent developments in experimental neuroscience make it possible to simultaneously
record the activity of thousands of neurons. However, the development of analysis …

[HTML][HTML] Complex system approach to investigate and mitigate thermoacoustic instability in turbulent combustors

RI Sujith, VR Unni - Physics of Fluids, 2020 - pubs.aip.org
Thermoacoustic instability in turbulent combustors is a nonlinear phenomenon resulting
from the interaction between acoustics, hydrodynamics, and the unsteady flame. Over the …

Construction of the method for semi-adaptive threshold scaling transformation when computing recurrent plots

B Pospelov, E Rybka, V Togobytska… - Восточно …, 2019 - irbis-nbuv.gov.ua
Most of real natural, technical, and social systems exhibit recurrent behavior, which means
that certain states of systems repeat over time often [1]. There are methods of recurrent plots …

ECG recurrence plot-based arrhythmia classification using two-dimensional deep residual CNN features

BM Mathunjwa, YT Lin, CH Lin, MF Abbod, M Sadrawi… - Sensors, 2022 - mdpi.com
In this paper, an effective electrocardiogram (ECG) recurrence plot (RP)-based arrhythmia
classification algorithm that can be implemented in portable devices is presented. Public …

Dynamical systems and complex systems theory to study unsteady combustion

RI Sujith, VR Unni - Proceedings of the Combustion Institute, 2021 - Elsevier
Reacting flow fields are often subject to unsteadiness due to flow, reaction, diffusion, and
acoustics. Further, flames can also exhibit inherent unsteadiness caused by various intrinsic …

A complex systems approach to analyzing pedagogical agents' scaffolding of self-regulated learning within an intelligent tutoring system

DA Dever, NA Sonnenfeld, MD Wiedbusch… - Metacognition and …, 2023 - Springer
Abstract Self-regulated learning (SRL), learners' monitoring and control of cognitive,
affective, metacognitive, and motivational processes, is essential for learning. However …

Development of the correlation method for operative detection of recurrent states

B Pospelov, V Andronov, E Rybka… - … -European Journal of …, 2019 - neliti.com
The correlation method for operative detection of recurrent states in complex dynamical
systems at irregular measurements was proposed. The concepts of correlation for the case …

Analysis of epileptic seizures based on EEG using recurrence plot images and deep learning

A Shankar, HK Khaing, S Dandapat, S Barma - … Signal Processing and …, 2021 - Elsevier
This work proposes deep learning (DL) based epileptic seizure detection by generating 2D
recurrence plot (RP) images of EEG signals for specific brain rhythms. The DL bypasses …

Empirical evidence for extended cognitive systems

LH Favela, MJ Amon, L Lobo, A Chemero - Cognitive Science, 2021 - Wiley Online Library
We present an empirically supported theoretical and methodological framework for
quantifying the system‐level properties of person‐plus‐tool interactions in order to answer …