周围大脑皮层与阿尔茨海默病中概念上可混的对象的细粒度歧视有关
Aurélien Frick1, Gabriel Besson2, Eric Salmon3
1GIGA-CRC In Vivo Imaging, University of Liège, Liège, Belgium; Psychology and Neuroscience of Cognition Research Unit, University of Liège, Liège, Belgium.
阿尔茨海默氏症 (AD) 损害了外围内皮层 (PrC). 减少PrC体积会影响区分类似物体,这表明认知任务可以检测AD患者的PrC缩.
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
- 神经学 神经学
背景情况:
- 周围大脑皮层 (PrC) 是阿尔茨海默氏症 (AD) 中神经退行早期的部位.
- 了解PrC在对象表示中的作用对于早期AD检测至关重要.
- 根据感知和概念特征,PRC参与了基于感知和概念特征的可混对象的歧视,需要进一步调查.
研究的目的:
- 探讨围内皮层在表示和区分可混物体中的作用.
- 确定PrC体积与处理概念和感知混性的能力之间的关联.
- 探索涉及可混物品的认知任务的潜力,作为PrC缩的标志物.
主要方法:
- 阿尔茨海默病患者和健康对照组执行命名,识别记忆和概念匹配任务.
- 在任务中操纵对象的概念和感知混性.
- 结构性核磁共振扫描被用来测量前侧副腹子区域的体积,包括PRC.
主要成果:
- 在AD患者和对照者中,识别记忆中对概念混的敏感性与左侧PrC体积相关.
- 在阿尔茨海默病患者中,在概念匹配任务中对概念混性的敏感性与左侧PrC体积特别相关.
- 这些发现表明,减少PrC的数量与难以明确概念上相似的项目有关.
结论:
- 周围皮质在处理对象的概念特征方面发挥着重要作用.
- 测试识别记忆或概念上可混项目的概念匹配的认知任务可以作为PrC缩的潜在生物标志物.
- 这些发现强调了特定的认知评估对于检测阿尔茨海默病早期神经病理变化的有用性.
更多相关视频
11:01Examining the Characteristics of Episodic Memory using Event-related Potentials in Patients with Alzheimer's Disease
Published on: August 30, 2011
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
相关概念视频
Olfaction
The olfactory receptors are embedded in the cilia of the...
Role of Hippocampus in Memory
Association Areas of the Cortex
Prefrontal Association Area: This area is located in the frontal lobe and is involved in planning, decision-making, and moderating social behavior. It connects with primary motor areas,...
Role of Cerebellum and Prefrontal Cortex in Memory
Motor and Sensory Areas of the Cortex
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex....
Somatosensory, Motor, and Association Cortex
