6 month follow-up

Post- treatment assessments

Clinical examination, MRI, TMS, Sleep, Cognitive and Functional assessment 

Treatment

Higher dose

Recruitment

Enrolment 

Recruitment

Randomization

Exclusion criteria

Placebo

Recruitment

Recruitment

Play Game Trial

Post concussion syndrome in youth:

the GABA- effects of melatonin

Pretreatment assessments

Clinical examination, MRI, TMS, Cognitive and Functional assessment 

Inclusion criteria

Low dose

Eligibility

Inclusion criteria