Editing Concussion (section)

===Cognitive and emotional===
Cognitive symptoms include confusion, [[disorientation]], and difficulty focusing [[attention]]. Loss of consciousness may occur, but is not necessarily correlated with the severity of the concussion if it is brief.<ref name="canturc06"/> [[Post-traumatic amnesia]], in which events following the injury cannot be recalled, is a hallmark of concussions.<ref name=Kushner98/> [[Mental confusion|Confusion]] may be present immediately or may develop over several minutes.<ref name=Kushner98/> A person may repeat the same questions,<ref name="aanMgmt">{{cite web |author=Quality Standards Subcommittee of the American Academy of Neurology |url=http://www.aan.com/professionals/practice/pdfs/pdf_1995_thru_1998/1997.48.581.pdf |title=Practice Parameter: The Management of Concussion in Sports (Summary Statement) |publisher=American Academy of Neurology |year=1997 |pages=1–7 |access-date=2008-03-05 |url-status=dead |archive-url=https://web.archive.org/web/20080228143923/http://www.aan.com/professionals/practice/pdfs/pdf_1995_thru_1998/1997.48.581.pdf |archive-date=2008-02-28 }}</ref> be slow to respond to questions or directions, have a vacant stare, or have slurred<ref name=Kushner98/> or incoherent speech.<ref name="foundations">{{cite book | vauthors = Anderson MK, Hall SJ, Martin M | title = Foundations of Athletic Training: Prevention, Assessment, and Management | url = https://books.google.com/books?id=g-q0rwBZAcsC&pg=PA235 | year = 2004 | publisher = Lippincott Williams & Wilkins | isbn = 978-0-7817-5001-1 | page = 236 | access-date = 2018-03-06 | archive-date = 2021-08-28 | archive-url = https://web.archive.org/web/20210828044937/https://books.google.com/books?id=g-q0rwBZAcsC&pg=PA235 | url-status = live }}</ref> Other concussion symptoms include changes in sleeping patterns and difficulty with reasoning, concentrating, and performing everyday activities.<ref name="Kushner98" /><ref name="Erlanger99" /><ref name=Rees03/>

A concussion can result in changes in [[Affect (psychology)|mood]] including crankiness, loss of interest in favorite activities or items,<ref name=mayoc/> tearfulness,<ref name=sivak/> and displays of emotion that are inappropriate to the situation.<ref name=foundations/> Common symptoms in concussed children include restlessness, lethargy, and irritability.<ref name="Heegaard07">{{cite journal | vauthors = Heegaard W, Biros M | title = Traumatic brain injury | journal = Emergency Medicine Clinics of North America | volume = 25 | issue = 3 | pages = 655–78, viii | date = August 2007 | pmid = 17826211 | doi = 10.1016/j.emc.2007.07.001 }}</ref>