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Prediction of Pathological Tremor Signals Using Long Short-Term Memory Neural Networks by Alejandro Pascual-Valdunciel; Victor Lopo-Martinez; Rafael Sendra-Arranz; Miguel Gonzalez-Sanchez; Javier Ricardo Perez-Sanchez; Francisco Grandas; Diego Torricelli; Juan C. Moreno; Filipe Oliveira Barroso; Jose L. Pons; Alvaro Gutierrez is a Computer Science article available to read on EtoBox.

What is Prediction of Pathological Tremor Signals Using Long Short-Term Memory Neural Networks about?

Previous implementations of closed-loop peripheral electrical stimulation (PES) strategies have provided evidence about the effect of the stimulation timing on tremor reduction. However, these strategies have used traditional signal processing techniques that only consider phase prediction and might not model the non-stationary behavior of tremor. Here, we tested the use of long short-term memory (LSTM) neural networks to predict tremor signals using kinematic data recorded from Essential Tremor (ET) patients. A dataset comprising wrist flexion-extension data from 12 ET patients was pre-processed to feed the predictors. A total of 180 models resulting from the combination of network (neurons and layers of the LSTM networks, length of the input sequence and prediction horizon) and training parameters (learning rate) were trained, validated and tested. Predicted tremor signals using LSTM-based models presented high correlation values (from 0.709 to 0.998) with the expected values, with a phase delay between the predicted and real signals below 15 ms, which corresponds approximately to 7.5% of a tremor cycle. The prediction horizon was the parameter with a higher impact on the predict

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Author

Alejandro Pascual-Valdunciel; Victor Lopo-Martinez; Rafael Sendra-Arranz; Miguel Gonzalez-Sanchez; Javier Ricardo Perez-Sanchez; Francisco Grandas; Diego Torricelli; Juan C. Moreno; Filipe Oliveira Barroso; Jose L. Pons; Alvaro Gutierrez

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Published

2022

Language

EN

Field

Computer Science (Physical Sciences)