Riedel, Michael Effects of risperidone and quetiapine on cognition in patients with schizophrenia and predominantly negative symptoms. [electronic resource] - European archives of psychiatry and clinical neuroscience Sep 2007 - 360-70 p. digital Publication Type: Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0940-1334 Standard No.: 10.1007/s00406-007-0739-x doi Subjects--Topical Terms: AdolescentAdultAgedAntipsychotic Agents--administration & dosageAttention--drug effectsCognition--drug effectsData Interpretation, StatisticalDibenzothiazepines--administration & dosageDouble-Blind MethodElectrocardiographyFemaleHumansMaleMemory--drug effectsMiddle AgedNeuropsychological TestsPsychiatric Status Rating ScalesQuetiapine FumarateReaction Time--drug effectsRisperidone--administration & dosageSchizophrenia--drug therapySchizophrenic PsychologyVerbal Learning--drug effects