进化新型大脑结构的可变存在与特征冲动性有关
Ethan H Willbrand1, Samira A Maboudian2,3, Matthew V Elliott4
1Medical Scientist Training Program, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI USA.
bioRxiv : the preprint server for biology
|November 1, 2024
概括
大脑结构的变化,特别是前带带皮层的带 (PCGS),与冲动性维度有关,例如缺乏追随性. 这项研究探讨了神经解剖学.
科学领域:
- 神经科学是一个神经科学.
- 临床心理学 临床心理学
- 人类解剖学 人类解剖学
背景情况:
- 冲动性是一种复杂的特征,具有与精神病理学相关的不同维度.
- 这些冲动性维度的神经解剖学相关性尚未得到充分理解.
- 关联皮层中的皮层折叠模式与认知和障碍有关.
研究的目的:
- 为了研究状硫 (PCGS) 变异性和特征冲动性之间的关系.
- 探索不同冲动性维度的神经解剖学基础.
- 为了确定PCGS折叠指标是否与冲动性指标相关.
主要方法:
- 120名患有精神病理的成年人接受了MRI扫描,并完成了三因素冲动性指数.
- 手动识别状硫 (PCGS) 和测量其折叠.
- 对PCGS长度和前带皮层 (ACC) 旋转的定量分析.
主要成果:
- 向左或对称的PCGS模式与更高的缺乏随访 (LFT) 严重性有关.
- 该PCGS位置与与LFT相关的元分析中确定的区域重叠.
- PCGS折叠指标与任何冲动性维度都没有相关性.
结论:
- PCGS的地形组织与特定的冲动性维度有关.
- 这一发现促进了对冲动性的神经解剖学相关的理解.
- 显著的皮层折叠模式可能是可分离的冲动性维度的基础,具有跨诊断意义.
相关概念视频
Biological Influences on Intelligence
74
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...
74
Environmental Influences on Intelligence
214
Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children...
214
Evolutionary Psychology
251
Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the...
251
Personality Theory by Eysenck and Eysenck
385
Hans and Sybil Eysenck developed a widely recognized theory of personality, which emphasizes the role of temperament and genetically based differences in shaping individual traits. Their theory posits that biological factors primarily determine personality and can be understood through two main dimensions: extroversion/introversion and neuroticism/stability.
In the extroversion/introversion dimension, highly extroverted people are sociable, outgoing, and easily connect with others. In contrast,...
In the extroversion/introversion dimension, highly extroverted people are sociable, outgoing, and easily connect with others. In contrast,...
385
Human Genetics
535
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...
535
Reason and Intuition
6.4K
The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the...
6.4K


