2020
Cognitive Effort and Amotivation in First-Episode Psychosis
Fortgang RG, Srihari V, Cannon TD. Cognitive Effort and Amotivation in First-Episode Psychosis. Journal Of Psychopathology And Clinical Science 2020, 129: 422-431. PMID: 32162929, DOI: 10.1037/abn0000509.Peer-Reviewed Original ResearchMeSH KeywordsAdultCognitionFemaleHumansMaleMotivationNeuropsychological TestsPsychotic DisordersYoung AdultConceptsCognitive effortFirst-episode psychosisCognitive test performanceObserved cognitive deficitsAdditional monetary incentivesCognitive remediationCognitive tasksCognitive performanceDifficult trialsNovel taskCognitive deficitsAmotivationImpaired cognitionTest performanceCore featuresDisengagementLower overall accuracyHealthy community membersMonetary incentivesCurrent studyEpisode psychosisFEP patientsPsychotic disordersReduced effortTask
2018
Effects of Reward on Spatial Working Memory in Schizophrenia
Cho YT, Lam NH, Starc M, Santamauro N, Savic A, Diehl CK, Schleifer CH, Moujaes F, Srihari VH, Repovs G, Murray JD, Anticevic A. Effects of Reward on Spatial Working Memory in Schizophrenia. Journal Of Psychopathology And Clinical Science 2018, 127: 695-709. PMID: 30335439, PMCID: PMC6197071, DOI: 10.1037/abn0000369.Peer-Reviewed Original Research
2016
Schizophrenia is associated with a pattern of spatial working memory deficits consistent with cortical disinhibition
Starc M, Murray JD, Santamauro N, Savic A, Diehl C, Cho YT, Srihari V, Morgan PT, Krystal JH, Wang XJ, Repovs G, Anticevic A. Schizophrenia is associated with a pattern of spatial working memory deficits consistent with cortical disinhibition. Schizophrenia Research 2016, 181: 107-116. PMID: 27745755, PMCID: PMC5901719, DOI: 10.1016/j.schres.2016.10.011.Peer-Reviewed Original ResearchConceptsHealthy comparison subjectsSpatial WM taskSchizophrenia patientsSevere cognitive deficitsSpecific spatial locationsComputational modelContinuous response measuresWM precisionWM representationsSpatial WMWM taskDistractor distanceWM impairmentWM tracesNeural mechanismsCognitive deficitsMemory deficitsBehavioral consequencesDelay periodDelay durationCortical disinhibitionSpatial locationComparison subjectsMicrocircuit modelDistractibility