Research conducted on former contact-sport athletes had focused heavily on post-mortem brain examinations of individuals who died after lengthy careers and, often, after suffering severe symptoms of depression, aggression, memory loss and other problems of cognition and movement.
Patients with severe TBI were most compromised in their usual activities, with higher levels of anxiety and problems of cognition and mobility.
The problem of historical cognition was investigated by Walter Benjamin in his "Theses on the Philosophy of History," which he wrote shortly before he killed himself, in 1940, while attempting to escape from the Nazis.
Another methodological problem of comparative cognition is that paradigms are applied to many species, but with slightly converted methodologies (better fitting the newly compared species' demands), hence at a cost of comparability.
As he worked on his dissertation, however, he recognized that many other scientists were also tackling the same problems of visual cognition.
The problems of fatigue, cognition, communication and IADL remained the most important problems during the follow-up period.
Then the problem of combining visual cognition systems is transformed to the problem of combining multiple scoring systems.
By extending a visual cognition system to become a scoring system based on each of the statistical means M 1, M 2, and M 3 respectively, the problem of combining visual cognition systems is transformed to the problem of combining multiple scoring systems.
The problem with rival theories of cognition, especially Descartes', is that they encourage skepticism and fail to account for the knowledge we clearly have.
