Samuel J Oliver

Summary

Country: UK

Publications

  1. doi request reprint High altitude impairs in vivo immunity in humans
    Samuel J Oliver
    Extremes Research Group, School of Sport, Health and Exercise Sciences, Bangor University, Bangor, Gwynedd, United Kingdom
    High Alt Med Biol 14:144-9. 2013
  2. ncbi request reprint Saliva indices track hypohydration during 48h of fluid restriction or combined fluid and energy restriction
    Samuel J Oliver
    School of Sport, Health and Exercise Sciences, Bangor University, Bangor LL57 2PZ, UK
    Arch Oral Biol 53:975-80. 2008
  3. doi request reprint One night of sleep deprivation decreases treadmill endurance performance
    Samuel J Oliver
    School of Sport, Health and Exercise Sciences, Bangor University, Bangor, LL57 2PZ, UK
    Eur J Appl Physiol 107:155-61. 2009
  4. ncbi request reprint Salivary immunoglobulin A response at rest and after exercise following a 48 h period of fluid and/or energy restriction
    Samuel J Oliver
    School of Sport, Health and Exercise Sciences, University of Wales, Bangor LL57 2PZ, UK
    Br J Nutr 97:1109-16. 2007
  5. ncbi request reprint Influence of timing of postexercise carbohydrate-protein ingestion on selected immune indices
    Ricardo J S Costa
    School of Sport, Health and Exercise Sciences, Bangor University, Bangor, UK
    Int J Sport Nutr Exerc Metab 19:366-84. 2009
  6. ncbi request reprint The effects of two nights of sleep deprivation with or without energy restriction on immune indices at rest and in response to cold exposure
    Ricardo J S Costa
    Extremes Research Group, Bangor University, Bangor, UK
    Eur J Appl Physiol 109:417-28. 2010
  7. doi request reprint No effect of a 30-h period of sleep deprivation on leukocyte trafficking, neutrophil degranulation and saliva IgA responses to exercise
    J S Costa Ricardo
    School of Sport, Health and Exercise Sciences, Bangor University, Bangor, UK
    Eur J Appl Physiol 105:499-504. 2009
  8. doi request reprint Carbohydrate supplementation and exercise performance at high altitude: a randomized controlled trial
    Samuel J Oliver
    Extremes Research Group, School of Sport, Health and Exercise Sciences, Bangor University, Bangor, Gwynedd, United Kingdom
    High Alt Med Biol 13:22-31. 2012
  9. pmc Investigation of whole-brain white matter identifies altered water mobility in the pathogenesis of high-altitude headache
    Justin S Lawley
    Extremes Research Group, School of Sport, Health and Exercise Sciences, Bangor University, Bangor, Gwynedd, UK
    J Cereb Blood Flow Metab 33:1286-94. 2013
  10. ncbi request reprint Saliva parameters as potential indices of hydration status during acute dehydration
    Neil P Walsh
    School of Sport, Health and Exercise Sciences, University of Wales, Bangor, United Kingdom
    Med Sci Sports Exerc 36:1535-42. 2004

Collaborators

Detail Information

Publications16

  1. doi request reprint High altitude impairs in vivo immunity in humans
    Samuel J Oliver
    Extremes Research Group, School of Sport, Health and Exercise Sciences, Bangor University, Bangor, Gwynedd, United Kingdom
    High Alt Med Biol 14:144-9. 2013
    ..1, p>0.79), at sensitization. In conclusion, this is the first study to show, using a contact sensitization model of in vivo immunity, that high altitude exposure impairs the development of new immunity in humans...
  2. ncbi request reprint Saliva indices track hypohydration during 48h of fluid restriction or combined fluid and energy restriction
    Samuel J Oliver
    School of Sport, Health and Exercise Sciences, Bangor University, Bangor LL57 2PZ, UK
    Arch Oral Biol 53:975-80. 2008
    ..Following the 48h periods, UFR and Sosm were assessed after acute exercise dehydration and rehydration...
  3. doi request reprint One night of sleep deprivation decreases treadmill endurance performance
    Samuel J Oliver
    School of Sport, Health and Exercise Sciences, Bangor University, Bangor, LL57 2PZ, UK
    Eur J Appl Physiol 107:155-61. 2009
    ....
  4. ncbi request reprint Salivary immunoglobulin A response at rest and after exercise following a 48 h period of fluid and/or energy restriction
    Samuel J Oliver
    School of Sport, Health and Exercise Sciences, University of Wales, Bangor LL57 2PZ, UK
    Br J Nutr 97:1109-16. 2007
    ..s-IgA secretion rate returned to within 0 h values by 6 h post-TT on F+ER. In conclusion, a 24-48 h period of combined F+ER decreased s-IgA secretion rate but normalisation occurred upon refeeding...
  5. ncbi request reprint Influence of timing of postexercise carbohydrate-protein ingestion on selected immune indices
    Ricardo J S Costa
    School of Sport, Health and Exercise Sciences, Bangor University, Bangor, UK
    Int J Sport Nutr Exerc Metab 19:366-84. 2009
    ..Further research should identify the independent effect of different quantities of CHO and PRO ingestion during recovery on neutrophil responses and other aspects of immune function...
  6. ncbi request reprint The effects of two nights of sleep deprivation with or without energy restriction on immune indices at rest and in response to cold exposure
    Ricardo J S Costa
    Extremes Research Group, Bangor University, Bangor, UK
    Eur J Appl Physiol 109:417-28. 2010
    ..However, modest whole-body cooling (T(re) 35.9 degrees C) decreased circulating lymphocytes, neutrophil degranulation and S-IgA, but responses were not amplified by prior SDEP or SDEP + ER...
  7. doi request reprint No effect of a 30-h period of sleep deprivation on leukocyte trafficking, neutrophil degranulation and saliva IgA responses to exercise
    J S Costa Ricardo
    School of Sport, Health and Exercise Sciences, Bangor University, Bangor, UK
    Eur J Appl Physiol 105:499-504. 2009
    ..01). In conclusion, a 30 h period of sleep deprivation does not alter leukocyte trafficking, neutrophil degranulation or S-IgA responses either at rest or after submaximal and strenuous exercise...
  8. doi request reprint Carbohydrate supplementation and exercise performance at high altitude: a randomized controlled trial
    Samuel J Oliver
    Extremes Research Group, School of Sport, Health and Exercise Sciences, Bangor University, Bangor, Gwynedd, United Kingdom
    High Alt Med Biol 13:22-31. 2012
    ..Chronic carbohydrate supplementation reduced ratings of perceived exertion and improved physical performance, especially during prolonged and higher intensity exercise tasks...
  9. pmc Investigation of whole-brain white matter identifies altered water mobility in the pathogenesis of high-altitude headache
    Justin S Lawley
    Extremes Research Group, School of Sport, Health and Exercise Sciences, Bangor University, Bangor, Gwynedd, UK
    J Cereb Blood Flow Metab 33:1286-94. 2013
    ..Furthermore, these changes in brain water mobility are related to the intensity of high-altitude headache. ..
  10. ncbi request reprint Saliva parameters as potential indices of hydration status during acute dehydration
    Neil P Walsh
    School of Sport, Health and Exercise Sciences, University of Wales, Bangor, United Kingdom
    Med Sci Sports Exerc 36:1535-42. 2004
    ....
  11. ncbi request reprint Endurance running performance after 48 h of restricted fluid and/or energy intake
    Samuel J Oliver
    School of Sport, Health and Exercise Sciences, University of Wales, Bangor, United Kingdom
    Med Sci Sports Exerc 39:316-22. 2007
    ..To determine the effect of a 48-h period of either fluid restriction (FR), energy restriction (ER), or fluid and energy restriction (F + ER) on 30-min treadmill time trial (TT) performance in temperate conditions...
  12. doi request reprint Physiological and psychological illness symptoms at high altitude and their relationship with acute mountain sickness: a prospective cohort study
    Samuel J Oliver
    Extremes Research Group, School of Sport, Health and Exercise Sciences, Bangor University, Bangor, Gwynedd, UK
    J Travel Med 19:210-9. 2012
    ..The aim of this prospective observational cohort study was to investigate relationships between acute mountain sickness (AMS) and physical and mental health during a high altitude expedition...
  13. ncbi request reprint Body composition at high altitude: a randomized placebo-controlled trial of dietary carbohydrate supplementation
    Jamie H Macdonald
    School of Sport, Health and Exercise Sciences, Bangor University, George Building, Bangor, Gwynedd, United Kingdom
    Am J Clin Nutr 90:1193-202. 2009
    ..Body mass loss is inevitable with chronic hypoxic exposure. However, the exact body-composition changes, their causes, and possible treatments remain unknown...
  14. ncbi request reprint Prolonged (9 h) poikilocapnic hypoxia (12% O2) augments cutaneous thermal hyperaemia in healthy humans
    Justin S Lawley
    Extremes Research Group, School of Sport, Health and Exercise Sciences, Bangor University, Gwynedd, UK Institute for Exercise and Environmental Medicine, Presbyterian Hospital of Dallas, Dallas, TX, USA
    Exp Physiol 99:909-20. 2014
    ..01) and plateau phase of thermal hyperaemia (P = 0.01). Prolonged poikilocapnic hypoxia causes robust increases in CVC during both phases of thermal hyperaemia that are dependent on the oxygen saturation of the individual. ..
  15. ncbi request reprint Normobaric hypoxia and symptoms of acute mountain sickness: Elevated brain volume and intracranial hypertension
    Justin S Lawley
    Extremes Research Group, School of Sport, Health, and Exercise Sciences, Bangor University, Gwynedd, United Kingdom Institute for Exercise and Environmental Medicine, Presbyterian Hospital of Dallas, Dallas, TX
    Ann Neurol 75:890-8. 2014
    ..The study was undertaken to determine whether normobaric hypoxia causes elevated brain volume and intracranial pressure in individuals with symptoms consistent with acute mountain sickness (AMS)...
  16. ncbi request reprint Position statement. Part two: Maintaining immune health
    Neil P Walsh
    School of Sport, Health and Exercise Sciences, Bangor University, UK
    Exerc Immunol Rev 17:64-103. 2011
    ....