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
2012
Linking Microcircuit Dysfunction to Cognitive Impairment: Effects of Disinhibition Associated with Schizophrenia in a Cortical Working Memory Model
Murray JD, Anticevic A, Gancsos M, Ichinose M, Corlett PR, Krystal JH, Wang XJ. Linking Microcircuit Dysfunction to Cognitive Impairment: Effects of Disinhibition Associated with Schizophrenia in a Cortical Working Memory Model. Cerebral Cortex 2012, 24: 859-872. PMID: 23203979, PMCID: PMC3948492, DOI: 10.1093/cercor/bhs370.Peer-Reviewed Original ResearchConceptsWorking memoryNeural levelSpatial WM taskWorking Memory ModelSpatial working memoryPersistent activity patternsWM representationsWM taskWM maintenanceBrain mechanismsWM deficitsMicrocircuit dysfunctionPrefrontal cortexCognitive deficitsBehavioral dataMemory modelBehavioral variabilityWM deteriorationCognitive impairmentCortical disinhibitionExcitation-inhibition balanceMain model predictionsDisinhibitionBehavioral deficitsDeficits