De forstyrrede tankeprocesser kan også give andre kognitive symptomer, der omfatter problemer med [[arbejdshukommelse|arbejds]]- og [[langtidshukommelse]], [[koncentration]]sevne, hastigheden af [[informationsbearbejdning]] og [[eksekutivfunktion]]er (f.eks begrebsdannelse, ordmobilisering, evnen til at danne, fastholde og skifte kognitive strategier).<ref name=Lancet09/>
[[Social kognition]] er også fundet nedsat, og menes at bidrage til adfærdsmæssige symptomer, som social tilbagetrækning ('''Kasper, Siegfried et al.''' 2009. s. 159). Udover social isolation<ref name="HirschWeinberger2003p481">{{cite book|author1=Hirsch SR|author2= WeinbergerDR|title=Schizophrenia|url=http://books.google.com/books?id=x3fmsV55rigC&pg=PA21|year= 2003|publisher=Wiley-Blackwell|isbn=978-0-632-06388-8|page=481}}</ref> er hygiejneforsømmelse, tab af motivation og dømmekraft,<ref name=CarsonNursing>Carson VB (2000). [http://books.google.com/books?id=QM5rAAAAMAAJ Mental health nursing: the nurse-patient journey] W.B. Saunders. ISBN 978-0-7216-8053-8. p. 638.</ref> samt hæmmet emotionel reaktion<ref name="HirschWeinberger2003p21">{{cite book|author1=Hirsch SR|author2= Weinberger DR|title=Schizophrenia|url=http://books.google.com/books?id=x3fmsV55rigC&pg=PA21|year= 2003|publisher=Wiley-Blackwell|isbn=978-0-632-06388-8|page=21}}</ref> også ofte sete adfærdsmæssige symptomer. Mellem 30 og 50% lidende af skizofreni har ingen sygdomsindsigt.<ref>{{cite journal|last=Baier|first=M|title=Insight in schizophrenia: a review.|journal=Current psychiatry reports|date=2010 Aug|volume=12|issue=4|pages=356–61|pmid=20526897}}</ref>
InI onevisse uncommontilfælde subtype,kan theder personogså mayforekomme bebevægelsesmæssige largelyforstyrrelser mute,i remainform motionlessaf in[[katatoni|katatone bizarre posturessymptomer]], orhvor exhibitpatienten purposelessfastfryses agitation,i allforvredne signsstillinger ofi længere [[catatonia]]tid.<ref>{{vcitecite journal |author=Ungvari GS, Caroff SN, Gerevich J |title=The catatonia conundrum: evidence of psychomotor phenomena as a symptom dimension in psychotic disorders |journal=Schizophr Bull |volume=36 |issue=2 |pages=231–8 |year=2010 |month=March |pmid=19776208 |doi=10.1093/schbul/sbp105}}</ref> About 30% to 50% of people with schizophrenia do not have insight, in other words, they do not accept their condition or its treatment.<ref>{{cite journal|last=Baier|first=M|title=Insight in schizophrenia: a review.|journal=Current psychiatry reports|date=2010 Aug|volume=12|issue=4|pages=356–61|pmid=20526897}}</ref> Treatment may have some effect.<ref>{{cite journal|last=Pijnenborg|first=GH|coauthors=van Donkersgoed, RJ; David, AS; Aleman, A|title=Changes in insight during treatment for psychotic disorders: a meta-analysis.|journal=Schizophrenia research|date=2013 Mar|volume=144|issue=1-3|pages=109–17|pmid=23305612}}</ref>
