The National Football League is facing lawsuits by 4,000 former players who allege the organizations failed to protect them from the long-term consequences of concussions.
A psychologist that consulted with the Montreal Canadiens hockey team and treated players with concussions for 15 years undertook research into the effects of concussions on children and young athletes as well as older athletes.
To study the effects of concussions,
Dr. Maryse Lassonde, a neuropsychologist and the scientific director of the Quebec Nature and Technologies Granting Agency
had athletes perform specific visual and auditory tasks and also mapped their brains with the help of EEG and MRI equipment, in addition to testing brain chemistry.