 People with acquired brain injury ABI often experience persistent language challenges that are subtle in nature and not readily observable to others. These challenges can have substantial negative effects on vocational and social endeavors despite their subtlety. Even though these challenges are prevalent in the ABI population, limited methods exist for quantifying and remediating them. The two purposes of Phase I of this research are to a explore methods of using event related potential ERP recordings to quantify language processing differences between people with and without ABI and b correlate behavioral observations from language tests with ERP findings. The purpose of Phase II is to explore the use of game-based, group activities as an intervention for people with ABI who experience word-retrieval challenges. The purpose of Phase III is to collect post-intervention data for comparison with Phase I data and provide evidence about the effectiveness of the intervention program. 