Parc Sanitari Sant Joan de Déu, Fundació Sant Joan de Déu, Institut de Recerca Sant Joan de Déu, SantBoi de Llobregat, Universitat de Barcelona, Dr. Antoni Pujadas, 42, Sant Boi de Llobregat, 08830, Barcelona, Spain.
Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain.
BMC Psychiatry. 2020 Jun 23;20(1):329. doi: 10.1186/s12888-020-02716-8.
BACKGROUND: Working memory (WM) refers to the capacity system for temporary storage and processing of information, which is known to depend on the integrity of the prefrontal cortex. Impairment in working memory is a core cognitive deficit among individuals with psychotic disorders. The Corsi block-tapping test is a widely-used instrument to assess visuospatial working memory. The traditional version is composed of 9 square blocks positioned on a physical board. In recent years, the number of digital instruments has increased significantly; several advantages might derive from the use of a digital version of the Corsi test. METHODS: This study aimed to compare the digital and traditional versions of the Corsi test in 45 patients with psychotic disorders and 45 healthy controls. Both groups completed a neuropsychological assessment involving attention and working memory divided into the two conditions. RESULTS: Results were consistent between the traditional and digital versions of the Corsi test. The digital version, as well as the traditional version, can discriminate between patients with psychosis and healthy controls. Overall, patients performed worse with respect to the healthy comparison group. The traditional Corsi test was positively related to intelligence and verbal working memory, probably due to a more significant effort to execute the test. CONCLUSIONS: The digital Corsi might be used to enhance clinical practice diagnosis and treatment.The digital version can be administered in a natural environment in real-time. Further, it is easy to administer while ensuring a standard procedure.
背景:工作记忆(WM)是指用于临时存储和处理信息的容量系统,已知其依赖于前额叶皮层的完整性。工作记忆受损是精神障碍个体的核心认知缺陷之一。Corsi 方块测试是一种广泛用于评估视空间工作记忆的工具。传统版本由 9 个方块组成,放置在物理板上。近年来,数字仪器的数量显著增加;使用 Corsi 测试的数字版本可能会带来一些优势。
方法:本研究旨在比较 45 名精神障碍患者和 45 名健康对照者的 Corsi 测试的数字和传统版本。两组均完成了一项神经心理学评估,包括注意力和工作记忆,分为两种条件。
结果:Corsi 测试的传统和数字版本结果一致。数字版本以及传统版本都可以区分精神病患者和健康对照组。总体而言,患者的表现逊于健康对照组。传统的 Corsi 测试与智力和言语工作记忆呈正相关,这可能是由于执行测试时需要付出更大的努力。
结论:数字 Corsi 可能有助于增强临床实践中的诊断和治疗。数字版本可以在真实环境中实时进行。此外,它易于管理,同时确保了标准程序。
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