Ionic current estimations from cardiac action potentials by using single and multi-output regression models

Conventional experimental procedures for capturing the dynamics of ion channels are not at all times possible, and when they are, they can be time-consuming. Using an artificial neural network (ANN) the aim is to predict the ionic currents during cardiac action potential (AP) in this work. A single-cell model was used to perform electrophysiological simulations to determine ionic currents based on ion channel conductance fluctuations. Then, the relevant ionic currents together with the related cardiac AP are calculated and fed into an ANN algorithm to anticipate the desired currents from the AP curve only. This thesis shows that when Bayesian regularization (BR) is utilized, the ionic current can be predicted with great accuracy from AP, as evidenced by the R (validation) scores of the whole data set, utilizing only AP forms.