Investigación: proyectos y publicaciones:
Varas-Diaz, G., Bhatt, T., Oken, B., Roth, E., Hayes, J., & Cordo, P. (2022). Concurrent ankle-
assisted movement, biofeedback, and proprioceptive stimulation reduces lower limb motor
impairment and improves gait in persons with stroke. Physiotherapy theory and practice,
1–10. Advance online publication. https://doi.org/10.1080/09593985.2022.2122763
2. Varas-Diaz G, Jayakumar U, Taras B, Wang S, Bhatt T. (2022). Assessing Balance Loss and
Stability Control in Older Adults Exposed to Gait Perturbations under Different
Environmental Conditions: A Feasibility Study. Biomechanics. 2(3):374-394.
https://doi.org/10.3390/biomechanics2030030
3. Varas-Diaz, G., Cordo, P., Dusane, S., & Bhatt, T. (2021). Effect of robotic-assisted ankle
training on gait in stroke participants: A case series study. Physiotherapy theory and
practice, 1–10. Advance online publication.
https://doi.org/10.1080/09593985.2021.1964658
4. Varas-Diaz, G., & Bhatt, T. (2021). Application of neuromuscular electrical stimulation on the
support limb during reactive balance control in persons with stroke: a pilot study.
Experimental brain research, 239(12), 3635–3647. https://doi.org/10.1007/s00221-021-
06209-2
5. Wang, S., Varas-Diaz, G., & Bhatt, T. (2021). Muscle synergy differences between voluntary
and reactive backward stepping. Scientific reports, 11(1), 15462.
https://doi.org/10.1038/s41598-021-94699-z
6. Varas-Diaz, G., Subramaniam, S., Delgado, L., Phillips, S. A., & Bhatt, T. (2021). Effect of an
Exergaming-Based Dance Training Paradigm on Autonomic Nervous System Modulation in
Healthy Older Adults: A Randomized Controlled Trial. Journal of aging and physical activity,
29(1), 1–9. https://doi.org/10.1123/japa.2019-0452
7. Kannan, L., Vora, J., Varas-Diaz, G., Bhatt, T., & Hughes, S. (2020). Does Exercise-Based
Conventional Training Improve Reactive Balance Control among People with Chronic
Stroke?. Brain sciences, 11(1), 2. https://doi.org/10.3390/brainsci11010002
8. Varas-Diaz, G., Kannan, L., & Bhatt, T. (2020). Effect of Mental Fatigue on Postural Sway in
Healthy Older Adults and Stroke Populations. Brain sciences, 10(6), 388.
https://doi.org/10.3390/brainsci10060388
9. Varas-Diaz, G., Paralkar, S., Wang, S., & Bhatt, T. (2020). Kinematic Gait Adjustments to
Virtual Environments on Different Surface Conditions: Do Treadmill and Over-Ground
Walking Exhibit Different Adaptations to Passive Virtual Immersion?. Rehabilitation research
and practice, 2020, 8901973. https://doi.org/10.1155/2020/8901973
10. Paralkar, S., Varas-Diaz, G., Wang, S., & Bhatt, T. (2020). Motor adaptation to real-life
external environments using immersive virtual reality: A pilot study. Journal of bodywork
and movement therapies, 24(4), 152–158. https://doi.org/10.1016/j.jbmt.2020.06.031
11. Wang, S., Varas-Diaz, G., Dusane, S., Wang, Y., & Bhatt, T. (2019). Slip-induced fall-risk
assessment based on regular gait pattern in older adults. Journal of biomechanics, 96,
109334. https://doi.org/10.1016/j.jbiomech.2019.109334
12. Covarrubias-Escudero, F., Rivera-Lillo, G., Torres-Castro, R., & Varas-Díaz, G. (2019). Effects
of body weight-support treadmill training on postural sway and gait independence in
patients with chronic spinal cord injury. The journal of spinal cord medicine, 42(1), 57–64.
https://doi.org/10.1080/10790268.2017.1389676
13. Varas-Díaz, G., Brunetti, E. P., Rivera-Lillo, G., & Maldonado, P. E. (2017). Patients with
Chronic Spinal Cord Injury Exhibit Reduced Autonomic Modulation during an Emotion
Recognition Task. Frontiers in human neuroscience, 11, 59.
https://doi.org/10.3389/fnhum.2017.00059
14. Navarrete-Opazo, A., Alcayaga, J. J., Sepúlveda, O., & Varas, G. (2017). Intermittent Hypoxia
and Locomotor Training Enhances Dynamic but Not Standing Balance in Patients With
Incomplete Spinal Cord Injury. Archives of physical medicine and rehabilitation, 98(3),
415–424. https://doi.org/10.1016/j.apmr.2016.09.114
15. Rivera-Lillo, G., Torres-Castro, R., Burgos, P. I., Varas-Díaz, G., Vera-Uribe, R., Puppo, H., &
Hernández, M. (2016). Incidence of Guillain-Barré syndrome in Chile: a population-based
study. Journal of the peripheral nervous
