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In Vivo Protocol of Controlled Subconcussive Head Impacts for the Validation of Field Study Data
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Examining Neurocognitive Function in Previously Concussed Interscholastic Female Soccer Players
Cameron R Forbes1, Joseph J Glutting2, Thomas W Kaminski3
1a Department of Psychology , University of Delaware , Newark , Delaware.
Applied Neuropsychology. Child
|December 16, 2014
Summary
Female soccer players with previous concussions showed no negative effects on neurocognitive performance or concussion symptoms after a season of heading. Heading frequency was low in both concussed and non-concussed groups.
Area of Science:
- Sports Medicine
- Neurology
- Neuroscience
Background:
- Sport-related concussions, particularly in soccer, are a growing concern.
- Soccer heading involves repetitive subconcussive head impacts, raising questions about long-term effects.
- Understanding the impact of heading on previously concussed athletes is crucial for player safety.
Purpose of the Study:
- To investigate the neurocognitive performance and concussion-related symptoms in female soccer players with and without a history of concussion.
- To assess the potential impact of a competitive season involving purposeful heading on these athletes.
Main Methods:
- 210 female interscholastic soccer players were divided into control (never concussed) and experimental (previously concussed) groups.
- Neurocognitive performance was evaluated using the Automated Neuropsychological Assessment Metrics (ANAM) before and after the season.
- Data on games played and headers were collected; statistical analyses included ANCOVA and t-tests.
Main Results:
- Both groups played a similar number of games and had comparable numbers of total headers and headers per game.
- No significant differences were found between the previously concussed and control groups in neurocognitive performance or concussion symptoms.
- The frequency of headers per game was low in both groups (1.4 in experimental vs. 1.3 in control).
Conclusions:
- Purposeful heading in soccer, even for previously concussed players, did not lead to measurable negative consequences on neuropsychological performance or symptoms within a single season.
- The low frequency of headers per game may contribute to these findings.
- Further longitudinal research is necessary to understand the cumulative effects of heading over an entire playing career.

