Physiological cognitive state assessment: Applications for designing effective human-machine systems. - Justin R. Estepp; James C. Christensen (EMBC, 2011)

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)

The effects of day-to-day variability of physiological data on operator functional state classification. - James C. Christensen; Justin Estepp; Glenn F. Wilson; Christopher A. Russell (NeuroImage, 2012)

Neuroergonomics: The brain in action and at work. - Raja Parasuraman; James C. Christensen; Scott T. Grafton (NeuroImage, 2012)

Coadaptive Aiding and Automation Enhance Operator Performance. - James C. Christensen; Justin Estepp (Hum. Factors, 2013)

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)

Deep long short-term memory structures model temporal dependencies improving cognitive workload estimation. - Ryan G. Hefron; Brett J. Borghetti; James C. Christensen; Christine M. Schubert-Kabban (Pattern Recognit. Lett., 2017)

Cross-Participant EEG-Based Assessment of Cognitive Workload Using Multi-Path Convolutional Recurrent Neural Networks. - Ryan G. Hefron; Brett J. Borghetti; Christine M. Schubert-Kabban; James C. Christensen; Justin Estepp (Sensors, 2018)