Harrag Chaimae, Sabil Abdelkader, Conceição Manuel Célio, Radvansky Gabriel A
Arts, Languages, and Literature, Faculty of Languages, Arts, and Human Sciences, Hassan 1 University, Settat, Morocco.
Language Sciences, Faculty of Human Sciences, University of Algarve, Faro, Portugal.
Front Psychol. 2024 Aug 29;15:1434506. doi: 10.3389/fpsyg.2024.1434506. eCollection 2024.
It is important to understand the relationship between cognitive abilities and language processing. Here, we explore a burgeoning area of research that harnesses semantic indices to predict cognitive impairment and track cognitive decline. One such index, , quantifies the information conveyed per language segment. Despite some variation stemming from methodological, sampling, and measurement differences, we suggest that propositional density has diagnostic and assessment value. This paper surveys existing studies that have used propositional density in the context of cognitive aging and impairment and offers some insights into the use of this index to highlight differences in cognition. We also suggest further explorations of basic research involving this concept, and some applications for assessing cognitive health.
理解认知能力与语言处理之间的关系很重要。在此，我们探索一个新兴的研究领域，该领域利用语义指标来预测认知障碍并追踪认知衰退。其中一个这样的指标，量化了每个语言片段所传达的信息。尽管由于方法、抽样和测量差异存在一些变化，但我们认为命题密度具有诊断和评估价值。本文调查了在认知老化和障碍背景下使用命题密度的现有研究，并就使用该指标来突出认知差异提供了一些见解。我们还建议对涉及这一概念的基础研究进行进一步探索，以及一些评估认知健康的应用。
