Previous research has led to the development of short batteries of tests that efficiently measure the cognitive functioning of individuals with schizophrenia. To attempt to replicate previous findings, we applied an empirical test selection strategy to archival cognitive test data of two non-overlapping inpatient samples of individuals with schizophrenia or schizoaffective disorder (total N=110). We then extended previous findings by applying the empirical test selection strategy to the archival data of two non-overlapping inpatient samples of individuals with various psychiatric disorders (total N=149). For each sample, tests were selected by examining the relationships between individual test scores and averaged test scores representing global cognitive functioning while taking into account test administration times. Across patient samples, digit symbol coding tasks, verbal fluency tasks, and tests with a processing speed component (Trail Making Test Part A and Stroop) emerged as efficient and effective indicators of overall cognitive functioning. A brief cognitive assessment tool incorporating coding, fluency, and processing speed tasks would provide a valid and clinically useful snapshot of a patient's level of cognitive functioning if more comprehensive testing cannot be completed.

译文

先前的研究导致了短电池测试的发展,可以有效地测量精神分裂症患者的认知功能。为了尝试复制先前的发现,我们将经验测试选择策略应用于精神分裂症或分裂情感障碍患者的两个非重叠住院患者样本的存档认知测试数据 (总计N = 110)。然后,我们通过将经验测试选择策略应用于两个非重叠的住院患者样本的档案数据来扩展先前的发现。患有各种精神疾病的个体 (总计N = 149)。对于每个样本,通过检查单个测试分数与代表整体认知功能的平均测试分数之间的关系来选择测试,同时考虑测试给药时间。在患者样本中,数字符号编码任务,言语流利度任务以及具有处理速度分量的测试 (跟踪测试a部分和Stroop) 成为整体认知功能的有效指标。如果无法完成更全面的测试,则包含编码,流利度和处理速度任务的简短认知评估工具将为患者的认知功能水平提供有效且临床有用的快照。

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