Neurosis, plural neuroses, also called psychoneurosis or plural psychoneuroses, mental disorder that causes a sense of distress and deficit in functioning.NeurosisSectionsArticleIntroductionTheoriesTypesTreatmentShowmoreMediaImagesAdditionalInfoMoreAboutContributorsArticleHistoryHomeHealth&MedicineConditions&DiseasesMentalDisordersNeurosispsychologyPrintprintPrintPleaseselectwhichsectionsyouwouldliketoprint:TableOfContentsCiteverifiedCiteWhileeveryefforthasbeenmadetofollowcitationstylerules,theremaybesomediscrepancies.Pleaserefertotheappropriatestylemanualorothersourcesifyouhaveanyquestions.SelectCitationStyleMLAAPAChicagoManualofStyleCopyCitationShareShareSharetosocialmediaFacebookTwitterURLhttps://www.britannica.com/science/neurosisMoreGiveFeedbackExternalWebsitesFeedbackCorrections?Updates?Omissions?Letusknowifyouhavesuggestionstoimprovethisarticle(requireslogin).FeedbackTypeSelectatype(Required)FactualCorrectionSpelling/GrammarCorrectionLinkCorrectionAdditionalInformationOtherYourFeedbackSubmitFeedbackThankyouforyourfeedbackOureditorswillreviewwhatyou’vesubmittedanddeterminewhethertorevisethearticle.JoinBritannica'sPublishingPartnerProgramandourcommunityofexpertstogainaglobalaudienceforyourwork!ExternalWebsitesNationalCenterforBiotechnologyInformation-PubMedCentral-AstudyofneurosisandoccupationAcademia-ThePsychoanalyticTreatmentofNeurosisRightDiagnosis-NeurosisWRITTENBYTheEditorsofEncyclopaediaBritannicaEncyclopaediaBritannica'seditorsoverseesubjectareasinwhichtheyhaveextensiveknowledge,whetherfromyearsofexperiencegainedbyworkingonthatcontentorviastudyforanadvanceddegree....SeeArticleHistoryAlternativeTitles:neuroses,psychoneuroses,psychoneurosisNeurosis,pluralneuroses,alsocalledpsychoneurosisorpluralpsychoneuroses,mentaldisorderthatcausesasenseofdistressanddeficitinfunctioning.BritannicaQuiz44QuestionsfromBritannica’sMostPopularHealthandMedicineQuizzesHowmuchdoyouknowabouthumananatomy?Howaboutmedicalconditions?Thebrain?You’llneedtoknowalottoanswer44ofthehardest