2012
The course of cognitive functioning over six months in individuals at clinical high risk for psychosis
Barbato M, Colijn MA, Keefe RS, Perkins DO, Woods SW, Hawkins KA, Christensen BK, Addington J. The course of cognitive functioning over six months in individuals at clinical high risk for psychosis. Psychiatry Research 2012, 206: 195-199. PMID: 23159196, PMCID: PMC3600156, DOI: 10.1016/j.psychres.2012.10.013.Peer-Reviewed Original ResearchConceptsClinical high riskCHR individualsComprehensive cognitive test batteryCognitive test batteryCognitive impairmentFuture longitudinal researchCognitive functioningCognitive performanceCognitive testsTest batteryLongitudinal researchCognitionPoor performanceLongitudinal changesPsychosisIndividualsParticipantsImpairmentBaseline participantsFunctioningPerformanceBatteriesResearchProdrome
1997
Normal neurocognitive performance after extended practice in patients with schizophrenia
Wexler B, Hawkins K, Rounsaville B, Anderson M, Sernyak M, Green M. Normal neurocognitive performance after extended practice in patients with schizophrenia. Schizophrenia Research 1997, 26: 173-180. PMID: 9323348, DOI: 10.1016/s0920-9964(97)00053-4.Peer-Reviewed Original ResearchConceptsWeeks of practiceSpecific neurocognitive tasksNormal neurocognitive performancePerformance of patientsImplicit learningMemory taskNeurocognitive tasksNeurocognitive performanceExtended practiceSame taskMotor tasksNeurocognitive improvementDifficulty levelOngoing instructionPerformance declineBase payTaskSupranormal performanceSchizophreniaHealthy controlsMemoryLearningInstructionTrainingPerformance
1996
Working Memory, Attention, and Communication Disturbances in Schizophrenia
Docherty N, Hawkins K, Hoffman R, Quinlan D, Rakfeldt J, Sledge W. Working Memory, Attention, and Communication Disturbances in Schizophrenia. Journal Of Psychopathology And Clinical Science 1996, 105: 212-219. PMID: 8723002, DOI: 10.1037/0021-843x.105.2.212.Peer-Reviewed Original ResearchConceptsCommunication disturbancesConcept formationSpecific cognitive deficitsVerbal fluency testVerbal fluency test scoresWorking memoryCognitive correlatesFluency testCognitive deficitsNonpsychiatric individualsTest scoresPerformance ratingsMemoryReference performanceSchizophrenic patientsAttentionIndividualsScoresDeficitsCorrelatesSchizophreniaRatingsPerformanceImplicationsTest