Publications

I maintain a partial list of publications here. Please visit my google scholar profile for updated information.

Journals

  1. Karthikeyan, R., Carrizales, J., Johnson, C., & Mehta, R. K. (2022). A Window Into the Tired Brain: Neurophysiological Dynamics of Visuospatial Working Memory Under Fatigue. Human Factors, 00187208221094900. [pdf]
  2. Mehta, R. K., Moats, J., Karthikeyan, R., Gabbard, J. L., Srinivasan, D., Du, E. J., … & Fernandes, R. (2022). Human‐centered intelligent training for emergency responders. AI Magazine, 43(1), 83-92. [pdf]
  3. Karthikeyan, R., Mcdonald, A. D., & Mehta, R. (2022). Stress Detection during Motor Activity: Comparing Neurophysiological Indices in Older Adults. IEEE Transactions on Affective Computing, (01), 1-1. [pdf]
  4. Karthikeyan, R., Smoot, M. R., & Mehta, R. K. (2021). Anodal tDCS augments and preserves working memory beyond time-on-task deficits. Scientific Reports, 11(1), 1-11. [pdf]
  5. Abujelala, M., Karthikeyan, R., Tyagi, O., Du, J., & Mehta, R. K (2021). Brain Activity-based Metrics for Assessing Learning in VR under Stress among Firefighters: An Explorative Machine Learning Approach in Neuroergonomics. Brain Sciences. [pdf]
  6. Karthikeyan, R., Sigmund, K., Park, Y. L. & Ryu, S. C. (2019). Performance Evaluation of Optically Sensorized Tendons for Articulate Surgical Instruments, ASME Journal of Medical Devices. [pdf]
  7. Nuamah, J.K., Mantooth, W. P., Karthikeyan, R., Ryu, S.C., & Mehta, R. K. (2019).  Neural Efficiency of Human-Robotic Feedback Modalities under Stress differs with Gender, Frontiers in Human Neuroscience. [pdf]
  8. Chen, S., Karthikeyan, R., & Ryu, S. C. (2018). Towards the design of mechanically superior tubular structures for microcatheters. Smart Materials and Structures. [pdf]

Conferences

  1. Karthikeyan, R., Mehta, R.K. (2021) Differential Effects of tDCS on Visuospatial Working Memory Performance under Fatigue. Neuroergonomics Conference. [poster] [pdf]
  2. Karthikeyan, R., Carrizales, J., Johnson, C., & Mehta, R. K. (2021). Visuospatial Working Memory under Fatigue: Observations with Cerebral Hemodynamics and Heart Rate Variability. In Proceedings of the Human Factors and Ergonomics Society Annual Meeting. [pdf]
  3. Karthikeyan, R. & Mehta, R.K. (2020, October) On Augmenting Working Memory through Neurostimulation, 2020 IEEE Brain Initiative Workshop on Advanced NeuroTechnologies. [poster] [pdf]
  4. Karthikeyan, R., & Mehta, R. K. (2020, October). Towards a Closed-Loop Neurostimulation Platform for Augmenting Operator Vigilance. In 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC) (pp. 3976-3983). IEEE. [pdf]
  5. Kalatzis A., Karthikeyan, R., Stanley, L., & Mehta, R.K. (2020, September) Mental Stress Classification during Motor Tasks in Older Adults using an Artificial Neural Network, Adjunct Proceedings of the 2020 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2020 ACM International Symposium on Wearable Computers (pp. 244-248). [pdf]
  6. Karthikeyan, R., Pattanshetti, S.V., & Ryu, S.C. (2019, May) Miniature Robotic Tubes with Rotational Tip-Joints as a Medical Delivery Platform, IEEE International Conference on Robotics and Automation (ICRA) 2019. [poster] [pdf]
  7. Mantooth, W. P., Karthikeyan, R., Ryu, C. S., & Mehta, R. K. (2018, September). Exploring Stress Resilient Feedback Modalities: Investigation of Physiological and Perceptual Load. In Proceedings of the Human Factors and Ergonomics Society Annual Meeting. [pdf]
  8. Karthikeyan, R., Pattanshetti, S.V., & Ryu, S.C. (2017, June) Force Sensing Steerable Needle with Articulated Tip and Sensorized Tendons, C4-Surgical Robotics Workshop, IEEE International Conference on Robotics and Automation (ICRA) 2017, Finalist: Best Poster-paper Award. [poster] [pdf]

Abstracts and posters

  1. Karthikeyan, R., Shi, Y., Du, J., & Mehta, R.K. (2021, March) Personalized VR-based training using eye-tracking and brain-based metrics, Applied Ergonomics Conference 2021. [poster]
  2. Karthikeyan, R., AlKader, A., McDonald, A. D., & Mehta, R.K. (2020, November) Affective State Detection during Fatiguing Motor Tasks in the Elderly using Brain Hemodynamics, Proceedings of the 2020 IISE annual conference (2020). [poster]

Patents

  1. Ryu, Seok Chang, Rohith Karthikeyan, and Shivanand Pattanshetti. “Surgical Cannulas and Related Methods.” U.S. Patent Application No. 16/418,429.

Other

  1. Karthikeyan, Rohith. Closed-loop Non-invasive Brain Stimulation as a Fatigue Countermeasure. Diss. 2022 (Ph.D.).
  2. Karthikeyan, Rohith. Optically Sensorized Tendons for Articulate Robotic Needles. Diss. 2017 (Master’s thesis).