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Travis Gibbons image 2021PhD candidate - Environmental physiology


Area of study

Cardiovascular physiology

Thesis title

Breathing and the brain in extreme environments


  • Professor Jim Cotter (School of Physical Education, Sport and Exercise Science)
  • Dr. Phil Ainslie (School of Health and Exercise Science – University of British Columbia – Okanagan)
  • Dr. Kate Thomas (Department of Surgical Sciences)
  • Dr. Luke Wilson (Department of Medicine)


  • MSc – University of Waterloo, Canada
  • BKin – Acadia University, Canada


Gibbons TD, Thomas KN (2021). If here for shear, best steer clear of intermittent hypoxia. Letter to the Editor - Journal of Applied Physiology (In press).

Gibbons TD, Ainslie PN, Thomas KN, Wilson LC, Akerman AP, Donnelly J, Campbell HA, Cotter JD. (2020). Influence of the mode of heating on cerebral blood flow, non-invasive intracranial pressure and thermal tolerance in humans. The Journal of Physiology.

Peddie MC, Kessell C, Bergen T, Gibbons TD, Campbell HA, Cotter JD, Rehrer NJ, Thomas KN. (2020). The effects of prolonged sitting, prolonged standing, and activity breaks on vascular function, and postprandial glucose and insulin responses: A randomised crossover trial. PLoS One. 2021 Jan 4;16(1):e0244841. doi: 10.1371/journal.pone.0244841

Thomas KN, Kissling LS, Gibbons TD, Akerman AP, van Rij AM, Cotter JD (2020). The acute effect of resistance exercise on limb blood flow. Experimental Physiology. 2020 Dec 105(12):2099-2109.

Thomas, K, Gibbons, TD, Necas, M. Imaging Transcranial Doppler Ultrasound: Is it giving us an accurate picture of cerebral hemodynamics? (2020). American Journal of Physiology: Regulatory, Integrative and Comparative Physiology. 2020 Jun 29: R79-R80.

Tymko, M, Hoiland, R, Tremblay, J, Stembridge M, Dawkins, T, Coombs, G, Patrician, A, Howe, C, Gibbons, T, Moore, J, Simpson, L, Steinback, C, Meah, V, Stacey, B, Bailey, D, MacLeod, D, Gasho, C, Anholm, J, Bain, A, Lawley, J, Villafeurte, F, Vizcardo, G, Ainslie, P. (2020). The 2018 Global Research Expedition on Altitude-Related Chronic Health (REACH) to Cerro de Pasco, Peru: An experimental overview. Experimental Physiology. 2021 Jan 106(1):86-103.

Gibbons T, Thomas, K, Wilson, L. (2020). Is all heat equal? Implications for the stimulus for adaptation in the brain. Journal of Physiology. 2020 598:11:2051-2052.

Perry, B, De Hamel, T, Thomas, KN, Wilson, LC, Gibbons, TD & Cotter, JD. (2020). Cerebrovascular haemodynamics during isometric resistance exercise with and without the Valsalva manoeuvre. European Journal of Applied Physiology. 2020 Feb;120(2):467-479.

Gibbons TD, Tymko MM, Thomas KN, Wilson LC, Stembridge M, Caldwell HG, Howe CA, Hoiland RL, Akerman AP, Dawkins TG, Patrician A, Coombs GB, Gasho C, Stacey BS, Ainslie PN, Cotter JD. (2020). Global REACH 2018: The influence of acute and chronic hypoxia on cerebral haemodynamics and related functional outcomes during cold and heat stress. Journal of Physiology. 2020 Jan 598(2):265-284. EDITOR’S CHOICE.

Tremblay JC, Hoiland RL, Howe CA, Coombs GB, Vizcardo-Galindo GA, Figueroa-Mujíca RJ, Bermudez D, Gibbons TD, Stacey BS, Bailey DM, Tymko MM, MacLeod DB, Gasho C, Villafuerte FC, Pyke KE & Ainslie PN (2019). Global REACH 2018: High blood viscosity and hemoglobin concentration contribute to reduced flow-mediated dilation in high-altitude excessive erythrocytosis. Hypertension 2019 Jun;73(6):1327-1335.

Gibbons TD, Zuj KA, Prince CN, Kingston DC, Peterson SD & Hughson RL (2019). Haemodynamic and cerebrovascular effects of intermittent lower-leg compression as countermeasure to orthostatic stress. Exp Physiology. 2019;104:1790–1800.

Gibbons TD, Zuj KA, Peterson SD & Hughson RL (2018). Comparison of pulse contour, aortic Doppler ultrasound and bioelectrical impedance estimates of stroke volume during rapid changes in blood pressure. Exp Physiol 2019 Mar;104(3):368-378.


Gibbons TD, Thomas KN, Hoiland RL, Tremblay J, Cotter J, Ainslie PN. The regulation of oxygen delivery to the brain: the effect of acclimatization. Sport & Exercise Science New Zealand (SESNZ), 2020 Christchurch.

Gibbons TD., Thomas KN, Ainslie PN, Donnelly J, Wilson L., Akerman AP, Campbell HA, Cotter JD. Influence of the mode of heating on cerebral blood flow, non-invasive intracranial pressure and thermal tolerance in humans. Physiology and Pharmacology of Temperature Regulation International Conference (PPTR), 2020, Vancouver, Canada.

Gibbons TD, Campbell, H., Thomas, K., Wilson, L., & Cotter, J. (2019). Cerebral blood flow regulation in severe heat stress: Effect of the heat source. Sport & Exercise Science New Zealand (SESNZ), 2019, Palmerston North.


American College of Sports Medicine (ACSM) Carl V. Gisolfi post-graduate research grant (2019)


Trail running, homebrewing, chillin at the farm with my ducks