DIGIT SPAN (DGS) - Cambridge Cognition

Digit Span (DGS) is a measure of verbal short term and working memory that can be used in two formats, Forward Digit Span and Reverse Digit Span. This is a ... Search Login Search Login Whatwedo Overview ImprovingclinicaltrialoutcomesEnablingrealworlddigitalhealthGoldstandardcognitiveresearch Products Overview DrugDevelopmentCognitiveresearchHealthcareTechnologyNeuroVocalix Services Overview NeuroscienceconsultancyStudydesignDataanalysisStudymanagementDatamanagementReports&interpretationTechnicalconsultancy CANTAB Overview TechnologyCognitiveTestsTestBatteriesWhychooseCANTAB?FAQs Community Overview BibliographyFundingSupportVideosResourcesLicenses&RenewalsAskaquestionWebinarsPostersPublications AboutUs Overview CareersQualityNewsBlogEventsCharityoftheYear Investors Overview SharesShareholdersAnnouncementsReports&AccountsBoardofDirectorsCompanyinformationCorporateGovernanceRegistrarInvestoralerts contact CANTABCognitiveTestsMemoryDIGITSPAN(DGS) Digit Span (DGS)isameasureofverbalshorttermandworkingmemory that canbeusedintwoformats, Forward DigitSpan and Reverse DigitSpan. Thisisaverbaltask,withstimulipresentedauditorily,andresponsesspokenbytheparticipantandscoredautomaticallybythesoftware.Participantsarepresentedwitharandomseriesof digits,and areaskedtorepeatthemineithertheorderpresented(forwardspan)orinreverseorder(backwardsspan). Whilesuperficiallyverysimilartasks, forwardandbackwardsspan relyon somewhat separablecognitive capacities:thesimplerforward spantask requiresverbalworkingmemoryandattention,whilethebackwards span task additionally tests cognitivecontrolandexecutivefunction.  AdministrationTime  1-3minutes dependingon performance TaskFormat  Theparticipantwillhearasequenceofdigits and then immediately beprompted toverballyrepeatthesequence,eitheras itwas heard(forwards),or in reverse order (backwards). Iftheparticipantrespondscorrectly,thenexttrialpresentsalongersequence.Thetaskterminateswhenparticipantsrespondedincorrectlyonthreeoccasionsataspanlength.Theparticipant'sspanisthelongestnumberofsequentialdigitsthatcanaccuratelyberemembered. Scoresaretotalspanreachedforforwardandreversedigitsandnumberoferrors.  OutcomeMeasures  Outcomemeasuresincludethedirectionofthetask(forwardsorbackwards),thelongestsequencesuccessfullyreachedandpassed,andthetotalnumberofattempts.  DelayedMatchingtoSample(DMS) PairedAssociatesLearning(PAL) PatternRecognitionMemory(PRM) VerbalRecognitionMemory(VRM) StopSignalTask(SST) SpatialSpan(SSP) DIGITSPAN(DGS) VERBALPAIREDASSOCIATES(VPA) N-Back(NBX) Findoutmore CognitiveResearch DrugDevelopment TheCANTABBibliography Ordertoday Getaquote Testbatteries Viewhere