Search Results for author: Yogatheesan Varatharajah

Found 7 papers, 3 papers with code

Evaluating Latent Space Robustness and Uncertainty of EEG-ML Models under Realistic Distribution Shifts

1 code implementation22 Sep 2022 Neeraj Wagh, Jionghao Wei, Samarth Rawal, Brent M. Berry, Yogatheesan Varatharajah

The recent availability of large datasets in bio-medicine has inspired the development of representation learning methods for multiple healthcare applications.

EEG Representation Learning

SCORE-IT: A Machine Learning-based Tool for Automatic Standardization of EEG Reports

no code implementations13 Sep 2021 Samarth Rawal, Yogatheesan Varatharajah

Machine learning (ML)-based analysis of electroencephalograms (EEGs) is playing an important role in advancing neurological care.

BIG-bench Machine Learning EEG

EEG-GCNN: Augmenting Electroencephalogram-based Neurological Disease Diagnosis using a Domain-guided Graph Convolutional Neural Network

2 code implementations17 Nov 2020 Neeraj Wagh, Yogatheesan Varatharajah

This paper presents a novel graph convolutional neural network (GCNN)-based approach for improving the diagnosis of neurological diseases using scalp-electroencephalograms (EEGs).

EEG

Integrating Artificial Intelligence with Real-time Intracranial EEG Monitoring to Automate Interictal Identification of Seizure Onset Zones in Focal Epilepsy

no code implementations15 Dec 2018 Yogatheesan Varatharajah, Brent Berry, Jan Cimbalnik, Vaclav Kremen, Jamie Van Gompel, Matt Stead, Benjamin Brinkmann, Ravishankar Iyer, Gregory Worrell

An ability to map seizure-generating brain tissue, i. e., the seizure onset zone (SOZ), without recording actual seizures could reduce the duration of invasive EEG monitoring for patients with drug-resistant epilepsy.

EEG

A Contextual-bandit-based Approach for Informed Decision-making in Clinical Trials

no code implementations1 Sep 2018 Yogatheesan Varatharajah, Brent Berry, Sanmi Koyejo, Ravishankar Iyer

However, those approaches have failed to account for the variability among participants that is becoming increasingly evident as a result of recent clinical-trial-based studies.

Decision Making reinforcement-learning +1

EEG-GRAPH: A Factor-Graph-Based Model for Capturing Spatial, Temporal, and Observational Relationships in Electroencephalograms

no code implementations NeurIPS 2017 Yogatheesan Varatharajah, Min Jin Chong, Krishnakant Saboo, Brent Berry, Benjamin Brinkmann, Gregory Worrell, Ravishankar Iyer

This paper presents a probabilistic-graphical model that can be used to infer characteristics of instantaneous brain activity by jointly analyzing spatial and temporal dependencies observed in electroencephalograms (EEG).

EEG

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