An assessment of non-stationarity in physiological cognitive state assessment using artificial neural networks. - Justin R. Estepp; Samantha L. Klosterman; James C. Christensen (EMBC, 2011)

Day-to-day variability in hybrid, passive brain-computer interfaces: Comparing two studies assessing cognitive workload. - Samantha L. Klosterman; Justin R. Estepp; Jason W. Monnin; James C. Christensen (EMBC, 2016)

Investigating Ensemble Learning and Classifier Generalization in a Hybrid, Passive Brain-Computer Interface for Assessing Cognitive Workload. - Samantha L. Klosterman; Justin R. Eepp (EMBC, 2019)