在英语和西班牙语的拉丁裔中,蒙特利尔认知评估的最佳切线
medRxiv : the preprint server for health sciences
|February 6, 2026
概括
新的蒙特利尔认知评估 (MoCA) 切断措施提高了美国拉丁裔人口认知障碍查的准确性. 最佳得分因语言,年龄和教育而异,提供更好的人口群体代表性.
科学领域:
- 神经科学是一个神经科学.
- 老年学是指老年学的学科.
- 心理测量 心理测量 心理测量
背景情况:
- 蒙特利尔认知评估 (MoCA) 是用于查认知障碍的常见工具.
- 现有的MoCA截止分数表明美国拉丁裔人口的表现不佳.
- 之前的研究存在一些局限性,包括小样本大小和组合诊断组.
研究的目的:
- 为了确定特别针对美国拉丁裔的轻度认知障碍 (MCI) 和痴呆症的最佳MoCA截止分数.
- 通过分析更大,更多样化的样本并考虑人口因素来解决先前研究的局限性.
主要方法:
- 来自国家阿尔茨海默氏症协调中心统一数据集的横截面数据的分析.
- 包括英语和西班牙语的拉丁裔参与者在他们的主要语言中进行测试.
- 通过测试语言,年龄和教育水平进行分层,使用Youden指数进行诊断准确性和ROC分析.
主要成果:
- 在西班牙语测试的参与者,75岁以上的参与者和受教育程度较低的人群中,最佳的MoCA截止值较低.
- 曲线下的面积 (AUC) 值表明在区分认知不受损 (CU) 与MCI和MCI与痴呆症之间具有良好的诊断准确性.
- 研究结果表明,标准切断可能会错误地分类美国拉丁裔子组中的认知状态.
结论:
- 该研究提供了针对美国拉丁裔人口量身定制的精细的MoCA截止分数,考虑到语言和人口统计学.
- 这些优化的切断值提高了这一人口群体认知障碍查的准确性.
- 一个分数计算器可用于临床和研究应用.
更多相关视频
09:00Author Spotlight: Validation of SICOLE-R for Assessing Cognitive and Reading Skills in Spanish-Speaking Children and Its Role in Personalized Education
Published on: August 16, 2024
1.2K
07:00Eye-Tracking Control to Assess Cognitive Functions in Patients with Amyotrophic Lateral Sclerosis
Published on: October 13, 2016
8.7K
相关概念视频
01:38Cognitive Dissonance
37.5K
Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
37.5K
00:48Optimal Foraging
13.9K
How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
13.9K
01:26Optimization Problems
77
Optimization problems often involve identifying maximum or minimum values under specific constraints. A well-known example is determining the longest horizontal pipe that can be moved around a right-angled corner, where a 3-meter-wide hallway meets a 2-meter-wide hallway. This scenario, common in architectural design and industrial transport, can be understood conceptually through geometric and trigonometric reasoning.To visualize the problem, consider the pipe as a straight line that touches...
77
01:23Cognition and Behavior
380
Social psychology examines the complex interplay between individual mental processes and social interactions. Historically, the field was divided into two domains: social behavior and social cognition. Researchers focusing on social behavior analyzed actions within social contexts, such as conformity, aggression, or cooperation. Meanwhile, social cognition researchers investigated how people perceive, interpret, and mentally represent their social environments. However, modern perspectives no...
380
01:21Cognitive Learning
1.2K
Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
1.2K
01:27Language and Cognition
804
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
804