智力,认知和主要的神经认知障碍:从构造到测量
1Department of Biomedical and Clinical Sciences, University of Milan, Milan 20157, Italy.
Cerebral circulation - cognition and behavior
|September 22, 2023
概括
一般智力显著影响主要神经认知障碍 (MND). 一种新的方法,delta (δ),通过分析认知和功能数据,比传统措施更好地预测痴呆症,有助于痴呆症病例的发现.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 老年学是一门学科.
背景情况:
- 在神经认知障碍 (NCD) 中的智力测量是复杂的,单个测试提供了实际但有限的见解.
- 传统的智力测试只能解释部分差异,并且有局限性,特别是在估计患病前智力时.
- 因素模型提供了更全面的智力测量,作为影响各种心理能力的潜在因素.
研究的目的:
- 研究智力在重大神经认知障碍 (MND) 的发展中的作用.
- 将一般智力系数 (斯皮尔曼*g*) 分解为与认知和功能措施相关的组件.
- 评估这些组件在痴呆症病例发现和理解MND中的实用性.
主要方法:
- 使用结构方程建模来分析斯皮尔曼的一般智力系数 (*g*).
- 将*g*分解为delta (δ),表示跨认知和功能措施的共享方差,以及g',仅代表跨认知措施的共享方差.
- 定义d为"功能状态的认知相关物"和"所有原因痴呆症的表型".
主要成果:
- 与g'相比,delta (δ) 解释了认知指标的差异较小,但在痴呆病例发现中显示出更高的准确性.
- 一般智力似乎是MND存在和严重性的更重要的因素,而不是特定领域的认知能力.
- 虽然 δ 对病因"盲目",但它与生物标志物的关联和在差异诊断中的作用可能是有限的.
结论:
- 新的三角形 (δ) 构造对痴呆症病例发现有希望,突出了认知功能相关的重要性.
- 需要进一步的研究来完善*g*的测量,并探索 δ的非认知变量.
- 经典的神经心理评估对于神经认知障碍的差异诊断至关重要.
更多相关视频
07:30Evaluation of the Cognitive Performance of Hypertensive Patients with Silent Cerebrovascular Lesions
Published on: April 23, 2021
3.1K
06:23The 4 Mountains Test: A Short Test of Spatial Memory with High Sensitivity for the Diagnosis of Pre-dementia Alzheimer's Disease
Published on: October 13, 2016
32.4K
相关概念视频
Measures of Intelligence
7.6K
Psychologists measure intelligence by using standardized tests that produce a score known as the intelligence quotient or IQ. To understand IQ tests, it's important to recognize the key principles behind their construction: validity, reliability, and standardization.
Validity refers to how well a test measures what it claims to measure. An intelligence test should accurately assess intelligence rather than another characteristic, like anxiety. Criterion validity is one way to evaluate this;...
Validity refers to how well a test measures what it claims to measure. An intelligence test should accurately assess intelligence rather than another characteristic, like anxiety. Criterion validity is one way to evaluate this;...
7.6K
Wechsler's Contribution to Measures of Intelligence
1.5K
David Wechsler, a psychologist who worked with World War I veterans, developed a significant IQ test in 1939 called the Wechsler-Bellevue Intelligence Scale. This test was innovative because it combined several subtests that measured both verbal and nonverbal skills, reflecting Wechsler's belief that intelligence is a global capacity involving purposeful action, rational thinking, and effective interaction with the environment. This test later evolved into the Wechsler Adult Intelligence...
1.5K
Cattell's Theory of Intelligence
6.9K
Raymond Cattell, along with John Horn, made significant contributions to our understanding of intelligence by distinguishing between two types: fluid intelligence and crystallized intelligence.
Fluid intelligence involves the capacity to solve new problems and adapt to unfamiliar situations. It's the type of intelligence individuals use when they encounter a novel problem or puzzle that requires innovative thinking. For instance, figuring out how to operate a new gadget relies heavily on...
Fluid intelligence involves the capacity to solve new problems and adapt to unfamiliar situations. It's the type of intelligence individuals use when they encounter a novel problem or puzzle that requires innovative thinking. For instance, figuring out how to operate a new gadget relies heavily on...
6.9K
Language and Cognition
367
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.
367
Cognitive Development During Adulthood
142
Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
142
Intelligence
7.7K
The term "intelligence" is complex because it refers to both behavior and individuals, and its interpretation varies across cultures. European Americans tend to link intelligence with reasoning and cognitive skills, while in Kenya, it is tied to responsible participation in family and social life. In Uganda, intelligence is seen as the ability to know the right actions and carry them out effectively, while the Iatmul people of Papua New Guinea associate it with the capacity to remember...
7.7K
