Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/29650
Title: Is There a Link between Stress and Cognition, and Capacity to Execute Motor Skill?
Contributor(s): Serpell, Benjamin G  (author)orcid ; Waddington, Gordon (author); McGrath, Braden (author); Cook, Christian J  (author)orcid 
Publication Date: 2020-11
DOI: 10.1249/MSS.0000000000002397
Handle Link: https://hdl.handle.net/1959.11/29650
Abstract: 

Purpose: To examine the link between stress (measured via salivary cortisol and testosterone), cognition (measured via pupillometry, with greater pupil constriction and reduced pupil constriction latency associated with increased attention and improved information processing) and motor skill capacity (measured via somatosensory processing). Methods: Twenty-five professional Rugby players participated in this study. Saliva samples were collected upon waking, prior to pupillometry and somatosensory processing testing, and after testing. Testing times varied for participants however it was always in the morning, and the order of testing was randomized. Results: Very small differences in hormone concentrations were seen across the morning (ES = 0.01). Moderate to large differences in left eye pupil constriction for direct (left eye) versus consensual (right eye) stimulus were also seen (p < 0.01; ES = 0.51 to 1.04). No differences for pupil constriction latency were seen for direct versus consensual stimulus. Some positive weak to moderate relationships were seen for testosterone and pupil constriction latency (r = 0.37 to 0.39; p < 0.05). Moderate to strong inverse relationships were seen for hormones with left eye pupil constriction difference between direct and consensual stimulus, and for pre- to post-test testosterone to cortisol ratio decline with left eye pupil constriction for direct and consensual stimulus (r = 0.41 to 0.52; p < 0.05). Weak to moderate inverse relationships for testosterone to cortisol ratio decline and somatosensory processing were seen (r = 0.36 to 0.47; p < 0.05). Conclusion: Stress may affect ability to receive information, and ability to execute motor tasks. Thus, stress may compromise ability to make appropriate objective decisions and consequently execute skill/task behavior. Strategies to help mitigate negative stress responses are noted.

Publication Type: Journal Article
Source of Publication: Medicine and Science in Sports and Exercise, 52(11), p. 2365-2372
Publisher: Lippincott Williams & Wilkins
Place of Publication: United States of America
ISSN: 1530-0315
0195-9131
Fields of Research (FoR) 2008: 110999 Neurosciences not elsewhere classified
111199 Nutrition and Dietetics not elsewhere classified
110699 Human Movement and Sports Science not elsewhere classified
Fields of Research (FoR) 2020: 420799 Sports science and exercise not elsewhere classified
520203 Cognitive neuroscience
520206 Psychophysiology
Socio-Economic Objective (SEO) 2008: 970111 Expanding Knowledge in the Medical and Health Sciences
Socio-Economic Objective (SEO) 2020: 130699 Sport, exercise and recreation not elsewhere classified
280121 Expanding knowledge in psychology
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article
School of Science and Technology

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