A Cellular Automaton Model for the generation of Brainwaves

N Singh - OSF Preprints, 2022 - osf.io
We describe a cellular-automaton based, two-dimensional (2D) lattice model which
generates global oscillations in the EEG spectrum as well as time series of local field …

Influence of cumulative damage on synchronization of Kuramoto oscillators on networks

LK Eraso-Hernandez, AP Riascos - Journal of Physics A …, 2023 - iopscience.iop.org
In this paper, we study the synchronization of identical Kuramoto phase oscillators under
cumulative stochastic damage to the edges of networks. We analyze the capacity of coupled …

[HTML][HTML] Potential effects of intrinsic heart pacemaker cell mechanisms on dysrhythmic cardiac action potential firing

Y Yaniv, K Tsutsui, EG Lakatta - Frontiers in physiology, 2015 - frontiersin.org
The heart's regular electrical activity is initiated by specialized cardiac pacemaker cells
residing in the sinoatrial node. The rate and rhythm of spontaneous action potential firing of …

Machine learning model on heart rate variability metrics identifies asymptomatic toddlers exposed to Zika virus during pregnancy

CL Herry, HMF Soares, L Schuler-Faccini… - Physiological …, 2021 - iopscience.iop.org
Objective. Although the Zika virus (ZIKV) seems to be prominently neurotropic, there are
some reports of involvement of other organs, particularly the heart. Of special concern are …

Active force generation contributes to the complexity of spontaneous activity and to the response to stretch of murine cardiomyocyte cultures

S Nayir, SP Lacour, JP Kucera - The Journal of Physiology, 2022 - Wiley Online Library
Cardiomyocyte cultures exhibit spontaneous electrical and contractile activity, as in a natural
cardiac pacemaker. In such preparations, beat rate variability exhibits features similar to …

cAMP signaling affects age-associated deterioration of pacemaker beating interval dynamics

S Segal, O Shemla, R Shapira, NK Peretz… - GeroScience, 2023 - Springer
Sinoatrial node (SAN) beating interval variability (BIV) and the average beating interval (BI)
are regulated by a coupled-clock system, driven by Ca2+-calmodulin activated adenylyl …

[PDF][PDF] Sinoatrial node pacemaker cell pool dynamics upon synchronization with vagus nerve rhythm

VM Pokrovskii, AA Ntchepurenko, DG Tarasov… - J Appl Biotechnol …, 2019 - bio-well.com
Aim: To reveal the dynamics of sinoatrial node pacemaker cell pools upon synchronization
with vagus nerve rhythm through the model of vagal-cardiac synchronization. Materials and …

[HTML][HTML] Predictive Value of Heart Rate Variability Indexes for 2-year Prognosis of the Patients after Transcatheter Aortic Valve Replacement

J Zhou, Y Li, J Ji, S Chen, J Zhang, S He - J Coll Physicians Surg Pak, 2022 - jcpsp.pk
Objective: To explore the prognostic value of the heart rate variability (HRV) index in the
patients undergoing transcatheter aortic valve replacement (TAVR). Study Design: A cohort …

Influence of cumulative damage on synchronization of Kuramoto oscillators on networks

LKE Hernández, AP Riascos - arXiv preprint arXiv:2212.08576, 2022 - arxiv.org
In this paper, we study the synchronization of identical Kuramoto phase oscillators under
cumulative stochastic damage to the edges of networks. We analyze the capacity of coupled …

[PDF][PDF] Self-similar action potential cycle-to-cycle variability of Ca2+ and current oscillators in cardiac pacemaker cells

D Yang, AE Lyashkov, CH Morrell, I Zahanich… - Preprint in …, 2020 - scholar.archive.org
Variability of heart pacemaker cell action potential (AP) firing intervals (APFI) means that
pacemaker mechanisms do not achieve equilibrium during AP firing. We tested whether …