TABLE 1.

Summary of subject demographics. Groups did not significantly differ by age and initial symptom severity score.

	Recently concussed (N = 29)	Recovered (N = 16)	Healthy controls (N = 20)
Males/females	23/6	14/2	16/4
Age in years (range)	15.7 ± 1.3 (12–18)	14.8 ± 1.9 (12–18)	14.5 ± 1.9 (12–18)
Time between Injury and MRI, days	8 ± 3	41 ± 16	N/A
Total initial symptom severity score, SCAT3	23.2 ± 19.6	23.8 ± 17.9	N/A
History of Migraine, N	3	1	0
ADHD diagnosis, N	1	2	2
Self-reported previous concussion(s), N	21	8	1