Head Tramma RebabilV%l.38,No.1,pp.65-82OPENCopyright 2023 The Authors.Published by Wolters Kluwer Health,Inc.INCOG 2.0 Guidelines for CognitiveRehabilitation Following TraumaticBrain Injury,Part IV:Cognitive-Communication and Social CognitionDisordersLeanne Togher,PhD,BAppSc(Speech Path);Jacinta Douglas,PhD,MSc(Psych}Lyn S.Turkstra,PhD,Reg-CASLPO;Penny Welch-West,MCISc,SLP Reg CASLPO;Shannon Janzen,MSc;Amber Harnett,MSc,BSc,BScN;Mary Kennedy,PhD,CCC-SLP;Ailene Kua,MSc,PMP;Eleni Patsakos,MSc;Jennie Ponsford,AO,PhD,MA(Clinical Neuropsychology);Robert Teasell,MD,FRCPC;Mark Theodore Bayley,MD,FRCPC;Catherine Wiseman-Hakes,PhD,Reg CASLPOIntroduction:Moderate to severe traumatic brain injury causes significant cognitive impairments,includingimpairments in social cognition,the ability to recognize others'emotions,and infer others'thoughts.Thesecognitive impairments can have profound negative effects on communication functions,resulting in a cogmitizecomsication disorder.Cognitive-communication disorders can significantly limit a person's ability to socialize,work,and study,and thus are critical targets for intervention.This article presents the updated INCOG 2.0recommendations for management of cognitive-communication disorders.As social cognition is central to cognitive-communication disorders,this update indudes interventions for social cognition.Methods:An expert panelof clinicians/researchers reviewed evidence published since 2014 and developed updated recommendations forinterventions for cognitive-communication and social cognition disorders,a decision-making algorithm tool,andan audit tool for review of clinical practice.Results:Since INCOG 2014,there has been significant growth inAuthor Affiliations:Discipline of Speec Pathology,Faculty of HealthThe authors gratefully acknorledge the support of the Ministry of Health of theSciences,The University of Sdne,Sydne,Aistralia (Dr Togber):Livingprovince ofOnario,Canada.Vith Disability Researcb Centre,.La Trobe Universi,业boan度,Australia,,and Summer Foundatio形,Melbounse,stralia (Dr Douglas月The project described in this articke was funded through tbe Ministry of HealthSpeed-Language Patbology Program,Soool of Rebabiltation Science,of the province of Ontario,Canada (Lead:Dr Mark Theodore Bayley).TheMcMaster University,Hamilton,Ontario,Canada (Drs Titrkstra andaidbors dedare that the fimders did not participate in the organization of theWiseman-Hakes):Parkwood Institute,St fosepb's Health Care,London,project nor the expert pand process,evidece synthesis nor formulation of theOntario,Canada,and Scool of Communication Sceces and Disorders,recommendations.The opinions,resuks and condusions reported are those ofUniversity of Western Ontario,London,Omario,Canada(Msthe author.Noendorsement by the Omario Ministry of Health is intended orWelcb-West):Lawson Health Researd Institde Parkwood Institute,sbould be inferπd.Londo形,Ontario,.Canada(iss janzen and Hamett and Dr Te峦c:Departmen of Communication Sciences and Diso