“…Discourse may be sparse, vague, or impoverished or excessively detailed, and tangential (21,50,170). Difficulties after ABI may occur in procedural discourse such as providing instructions or directions (197), in narrative discourse or story telling (198,199), in persuasive discourse or the ability to persuade, sell, negotiate, or argue (200,201), in expository discourse or the ability to explain or provide a rationale (32,33); or in conversational discourse (52,53,147,202). These difficulties may arise from underlying problems with working memory, organization, executive functions, or self-regulation (50,78,89,105,143,145,196,198,203,204).…”