对大脑关键性的遗传贡献及其与人类认知功能的关系
Yumeng Xin1,2, Yue Cui3,4,5,6, Shan Yu3,4,5,6
1State Key Laboratory of Cognitive Science and Mental Health, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China.
概括
遗传学显著影响大脑的关键性,大脑的大脑.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 遗传学 是一个
- 认知科学 认知科学
背景情况:
- 大脑在临界状态附近运行,表现出神经元雪崩,以获得最佳的信息处理.
- 大脑关键性的遗传基础及其与认知功能的联系尚未得到充分理解.
研究的目的:
- 为了研究大脑关键性的遗传性.
- 探索大脑关键性和认知功能之间的关系.
- 为了确定影响大脑关键性的遗传因素.
主要方法:
- 对双胞胎和非双胞胎受试者休息状态功能磁共振成像 (rs-fMRI) 数据的分析.
- 整合 rs-fMRI 数据与来自艾伦大脑图谱:人类大脑 (ABHB) 数据集的转录微阵列数据.
- 通过不同大脑尺度 (区域,网络,整个大脑) 对大脑关键性的遗传影响的检查.
主要成果:
- 遗传因素在所有尺度上都对大脑的关键性有很大影响.
- 主要感官皮层中的批判性显示出比关联皮层更强大的遗传影响.
- 特定的基因表达特征解释了区域关键动态.
- 大脑的关键性与总认知相关,并且与它有着遗传联系.
结论:
- 大脑的关键性是一种遗传的生物学表型.
- 共享的遗传因素是大脑关键性和认知功能的基础.
- 研究结果提供了关于关键动态的生物机制及其在大脑功能和功能障碍中的作用的见解.
相关概念视频
01:30Biological Influences on Intelligence
224
Intelligence is often thought to be linked to brain size, but the relationship is more complex than that. While brain size does correlate modestly with some abilities, like verbal skills, the connection is weaker for others, such as spatial reasoning. Other factors, like brain structure, also play crucial roles. For instance, despite Einstein's smaller-than-average brain, his parietal cortex, which is involved in spatial reasoning, was 15% wider, suggesting that neural density might matter...
224
01:28Human Genetics
741
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
741
01:27Language and Cognition
460
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.
460
01:17Cognitivism
1.7K
Cognitive psychology emerged as a significant field in the mid-20th century. It focused on understanding humans' internal mental processes. This approach emphasizes how people perceive, remember, think, and solve problems—elements critical to human cognition.
Previously dominated by behaviorism, which prioritized observable behaviors and largely ignored mental processes, psychology transformed in the 1950s. Cognitive psychologists argue that understanding how we think and process...
Previously dominated by behaviorism, which prioritized observable behaviors and largely ignored mental processes, psychology transformed in the 1950s. Cognitive psychologists argue that understanding how we think and process...
1.7K
01:30Introduction to Biological Bases of Psychology
3.6K
Biopsychology serves as a vital bridge connecting the intricate domains of biology and psychology, shedding light on how biological systems influence psychological phenomena. This field scrutinizes the biological substrates of behavior and mental processes, emphasizing the nervous system along with the roles of neurotransmitters, hormones, and genetics. It also incorporates evolutionary perspectives to explain the adaptive nature of mental functions.
The nervous system, the cornerstone of...
The nervous system, the cornerstone of...
3.6K
01:30Organization of the Brain
1.2K
The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...
1.2K