Asian Journal of Sports Medicine

Published by: Kowsar

The Effect of 20 Minutes Scuba Diving on Cognitive Function of Professional Scuba Divers

Seyedeh Faezeh Pourhashemi 1 , Hedayat Sahraei 2 , Gholam Hossein Meftahi 2 , * , Boshra Hatef 2 and Bahareh Gholipour 3
Authors Information
1 Faculty of Sport Science, University of Allameh Tabataba’i, Tehran, IR Iran
2 Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, IR Iran
3 Faculty of Sports and Physical Education, University of Ferdowsi, Mashhad, IR Iran
Article information
  • Asian Journal of Sports Medicine: September 01, 2016, 7 (3); e38633
  • Published Online: August 30, 2016
  • Article Type: Research Article
  • Received: April 24, 2016
  • Revised: July 5, 2016
  • Accepted: July 20, 2016
  • DOI: 10.5812/asjsm.38633

To Cite: Pourhashemi S F, Sahraei H, Meftahi G H, Hatef B, Gholipour B. The Effect of 20 Minutes Scuba Diving on Cognitive Function of Professional Scuba Divers, Asian J Sports Med. 2016 ; 7(3):e38633. doi: 10.5812/asjsm.38633.

Copyright © 2016, Sports Medicine Research Center. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License ( which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.
1. Background
2. Objectives
3. Methods
4. Results
5. Discussion
  • 1. Steinberg SI, Sammel MD, Harel BT, Schembri A, Policastro C, Bogner HR, et al. Exercise, sedentary pastimes, and cognitive performance in healthy older adults. Am J Alzheimers Dis Other Demen. 2015; 30(3): 290-8[DOI][PubMed]
  • 2. Stults-Kolehmainen MA, Sinha R. The effects of stress on physical activity and exercise. Sports Med. 2014; 44(1): 81-121[DOI][PubMed]
  • 3. Conrad CD. Chronic stress-induced hippocampal vulnerability: the glucocorticoid vulnerability hypothesis. Rev Neurosci. 2008; 19(6): 395-411[PubMed]
  • 4. Meftahi G, Ghotbedin Z, Eslamizade MJ, Hosseinmardi N, Janahmadi M. Suppressive effects of resveratrol treatment on the intrinsic evoked excitability of ca1 pyramidal neurons. Cell J. 2015; 17(3): 532-9[PubMed]
  • 5. Meftahi G, Janahmadi M, Eslamizade MJ. Effects of resveratrol on intrinsic neuronal properties of CA1 pyramidal neurons in rat hippocampal slices. Physiol Pharmacol. 2014; 18(2): 144-55
  • 6. Roozendaal B. Stress and memory: opposing effects of glucocorticoids on memory consolidation and memory retrieval. Neurobiol Learn Mem. 2002; 78(3): 578-95[PubMed]
  • 7. Chalabi-Yani D, Sahraei H, Meftahi GH, Hosseini SB, Sadeghi-Gharajehdaghi S, Ali Beig H, et al. Effect of transient inactivation of ventral tegmental area on the expression and acquisition of nicotine-induced conditioned place preference in rats. Iran Biomed J. 2015; 19(4): 214-9[PubMed]
  • 8. Hosseini SB, Sahraei H, Mohammadi A, Hatef B, Meftahi GH, Chalabi-Yani D, et al. Inactivation of the nucl. accumbens core exerts no effect on nicotine-induced conditioned place preference. Neurophysiol. 2015; 47(4): 295-301
  • 9. Lau WK, Leung MK, Chan CC, Wong SS, Lee TM. Can the neural-cortisol association be moderated by experience-induced changes in awareness? Sci Rep. 2015; 5: 16620[DOI][PubMed]
  • 10. Arnsten AF. Stress weakens prefrontal networks: molecular insults to higher cognition. Nat Neurosci. 2015; 18(10): 1376-85[DOI][PubMed]
  • 11. Kim JJ, Diamond DM. The stressed hippocampus, synaptic plasticity and lost memories. Nat Rev Neurosci. 2002; 3(6): 453-62[DOI][PubMed]
  • 12. Payne JD, Nadel L, Allen JJ, Thomas KG, Jacobs WJ. The effects of experimentally induced stress on false recognition. Memory. 2002; 10(1): 1-6[DOI][PubMed]
  • 13. Slosman DO, De Ribaupierre S, Chicherio C, Ludwig C, Montandon ML, Allaoua M, et al. Negative neurofunctional effects of frequency, depth and environment in recreational scuba diving: the Geneva "memory dive" study. Br J Sports Med. 2004; 38(2): 108-14[PubMed]
  • 14. Di Piero V, Cappagli M, Pastena L, Faralli F, Mainardi G, Di Stani F, et al. Cerebral effects of hyperbaric oxygen breathing: a CBF SPECT study on professional divers. Eur J Neurol. 2002; 9(4): 419-21[PubMed]
  • 15. Tetzlaff K, Friege L, Hutzelmann A, Reuter M, Holl D, Leplow B. Magnetic resonance signal abnormalities and neuropsychological deficits in elderly compressed-air divers. Eur Neurol. 1999; 42(4): 194-9[PubMed]
  • 16. Gronwall DM, Sampson H. The psychological effects of concussion 1974;
  • 17. Tombaugh TN. A comprehensive review of the Paced Auditory Serial Addition Test (PASAT). Arch Clin Neuropsychol. 2006; 21(1): 53-76[DOI][PubMed]
  • 18. Erfani M, Sahraei H, Bahari Z, Meftahi G, Hatef B, Mohammadi A, et al. Evaluation of the effect of time change in cognitive function in volunteers in tehran. Glob J Health Sci. 2016; 9(2): 119
  • 19. Paris JJ, Franco C, Sodano R, Freidenberg B, Gordis E, Anderson DA, et al. Sex differences in salivary cortisol in response to acute stressors among healthy participants, in recreational or pathological gamblers, and in those with posttraumatic stress disorder. Horm Behav. 2010; 57(1): 35-45[DOI][PubMed]
  • 20. Vining RF, McGinley RA. The measurement of hormones in saliva: possibilities and pitfalls. J Steroid Biochem. 1987; 27(1-3): 81-94[PubMed]
  • 21. Vollmer T, Huynh L, Kelley C, Galebach P, Signorovitch J, DiBernardo A, et al. Relationship between brain volume loss and cognitive outcomes among patients with multiple sclerosis: A systematic literature review. Neurological Sci. 2016; 37(2): 165-79
  • 22. Hemelryck W, Germonpre P, Papadopoulou V, Rozloznik M, Balestra C. Long term effects of recreational SCUBA diving on higher cognitive function. Scand J Med Sci Sports. 2014; 24(6): 928-34[DOI][PubMed]
  • 23. Sepahvand H, Zareian E, Aghaei H, Sahraei H. Cognitive function in male track and field iranian national team athletes. hippocampus. 2015; 4: 5
  • 24. Lupien SJ, Nair NP, Briere S, Maheu F, Tu MT, Lemay M, et al. Increased cortisol levels and impaired cognition in human aging: implication for depression and dementia in later life. Rev Neurosci. 1999; 10(2): 117-39[PubMed]
  • 25. Wolkowitz OM, Lupien SJ, Bigler E, Levin RB, Canick J. The "steroid dementia syndrome": an unrecognized complication of glucocorticoid treatment. Ann N Y Acad Sci. 2004; 1032: 191-4[DOI][PubMed]
  • 26. Bahari Z, Manaheji H, Hosseinmardi N, Meftahi GH, Sadeghi M, Danialy S, et al. Induction of spinal long-term synaptic potentiation is sensitive to inhibition of neuronal NOS in L5 spinal nerve-transected rats. EXCLI J. 2014; 13: 751-60[PubMed]
  • 27. Lupien SJ, Gillin CJ, Hauger RL. Working memory is more sensitive than declarative memory to the acute effects of corticosteroids: a dose-response study in humans. Behav Neurosci. 1999; 113(3): 420-30[PubMed]
  • 28. Lupien SJ, Lepage M. Stress, memory, and the hippocampus: can't live with it, can't live without it. Behav Brain Res. 2001; 127(1-2): 137-58[PubMed]
  • 29. Asalgoo S, Jahromi GP, Meftahi GH, Sahraei H. Posttraumatic stress disorder (ptsd): Mechanisms and possible treatments. Neurophysiol. 2015; 47(6): 482-9
  • 30. Ghodrat M, Sahraei H, Razjouyan J, Meftahi GH. Effects of a saffron alcoholic extract on visual short-term memory in humans: a psychophysical study. Neurophysiology. 2014; 46(3): 247-53
  • 31. Bahari Z, Manaheji H, Dargahi L, Daniali S, Norozian M, Meftahi GH, et al. Time profile of nNOS expression in the spinal dorsal horn after L5 spinal root transection in rats. Neurophysiol. 2015; 47(4): 287-94
  • 32. Fitts P, Posner MI. Human factors psychology. 1967; : 159-77
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