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Monitoring the acute and subacute recovery of cognitive ocular motor changes after a sports-related concussion.

Author information

Affiliations

  • 1. Department of Neuroscience, Monash University, The Alfred Centre, 99 Commercial Road, Melbourne, Victoria (VIC) 3004, Australia.
      Authors
    • Symons GF 1
    • O'Brien WT 1
    • Chen Z 1, 3
    • O'Brien TJ 1, 3
    • Kolbe S 1
    • Fielding J 1, 3
    • Shultz SR 1, 3
    • Clough M 1
    (8 authors)
  • 2. Department of Optometry and Vision science, The University of Melbourne, Grattan street, Parkville, Victoria (VIC) 3010, Australia.
      Authors
    • Abel L 2
    (1 author)
  • 3. Department of Medicine, The University of Melbourne, The Royal Melbourne Hospital, Grattan street, Parkville, Victoria (VIC) 3010, Australia.
      Authors
    • Chen Z 1, 3
    • Costello DM 3
    • O'Brien TJ 1, 3
    • Fielding J 1, 3
    • Shultz SR 1, 3
    (5 authors)

ORCIDs linked to this article

Show all (10)

Cerebral Cortex (New York, N.Y. : 1991), 01 Apr 2023, 33(9):5276-5288
https://doi.org/10.1093/cercor/bhac416 PMID: 36300614 

Abstract 

Identifying when recovery from a sports-related concussion (SRC) has occurred remains a challenge in clinical practice. This study investigated the utility of ocular motor (OM) assessment to monitor recovery post-SRC between sexes and compared to common clinical measures. From 139 preseason baseline assessments (i.e. before they sustained an SRC), 18 (12 males, 6 females) consequent SRCs were sustained and the longitudinal follow-ups were collected at 2, 6, and 13 days post-SRC. Participants completed visually guided, antisaccade (AS), and memory-guided saccade tasks requiring a saccade toward, away from, and to a remembered target, respectively. Changes in latency (processing speed), visual-spatial accuracy, and errors were measured. Clinical measures included The Sports Concussion Assessment Tool, King-Devick test, Stroop task, and Digit span. AS latency was significantly longer at 2 days and returned to baseline by 13-days post-SRC in females only (P < 0.001). Symptom numbers recovered from 2 to 6 days and 13 days (P < 0.05). Persistently poorer AS visual-spatial accuracy was identified at 2, 6 and 13 days post-SRC (P < 0.05) in both males and females but with differing trajectories. Clinical measures demonstrated consistent improvement reminiscent of practice effects. OM saccade assessment may have improved utility in tracking recovery compared to conventional measures and between sexes.

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Read article at publisher's site: https://doi.org/10.1093/cercor/bhac416

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Funding 

Funders who supported this work.

Australian National Health and Medical Research Council