“…Verbal reasoning is mediated by specific areas of the prefrontal cortex (183) and involves contributions from other cognitive processes such as working memory, attention and inhibitory control. Reported reasoning deficits after ABI include reduced ability to do the following: extract the 'gist' or the pertinent information, eliminate irrelevant information, weigh the facts, flexibly revise based on new information, generate alternatives, or predict consequences (19,20,32,33,74). Problem solving incorporates reasoning and decision-making and also includes the ability to identify the problem, to plan and implement solutions, and to monitor, evaluate, refine, and revise.…”