This essay analyzes the assumptions made in the article “Genre may Impact Cognitive Training Using Video Games” based on the effect of playing video games on cognition. The article provides various claims and assumptions, including the effect of genre on cognitive training and the use of video games to enhance brain performance. The claims are supported by research that reveals a link between video games and cognition, and the effects on cognition depend on the genre. However, some studies show adverse impacts on the brain due to playing video games, which may affect cognition.