Tampere Traumatic head and brain injury study is a prospective study aiming to explore neuroradiological, neuropsychological, neurological and biochemical aspects of mild traumatic brain injury (mtbi). The main interest is on factors that effect to the outcome after mtbi. The study is conducted in Tampere University Hospital's emergency department between the 1st of August 2010 and 31st of July 2013.

Aims of the study:

1. To improve clinical assessment of mTBI in the acute phase
2. To assemble better knowledge of diffusion tensor imaging as a diagnostic tool in mTBI
3. To improve neuropsychological evaluation of mTBI Main focus on psychosocial functioning / outcome / correlates E.g. Resilience, PTSD

Inclusion Criteria:

• WHO's mtbi criteria
• Inhabitant of Pirkanmaa hospital district
• Age between 18 and 60 years

Exclusion Criteria:

• Detrimental alcohol use
• Drug addiction
• Chronic neurological disease
• Earlier brain injury
• Diagnosed psychiatric disease
• Hearing or sight deficiency
• Native language other than finnish

Community sample consisting of consecutive mild traumatic brain injury patients metting the enrollment criteria.