时间分割和繁殖:证据表明,右脑损伤患者的内钟减慢了速度
Giovanni Cantarella1, Greta Vianello2, Giuliana Vezzadini2
1Department of Psychology 'Renzo Canestrari', University of Bologna, Bologna, Italy; Center for Studies and Research of Cognitive Neuroscience, University of Bologna, Cesena, Italy.
概括
右脑损伤 (RBD) 导致个人低估短时间间隔并高估他们的生殖能力. 这表明右半球内钟机制减慢,影响时间感知.
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:
- 右半球在时间处理中起作用.
- 右脑损伤 (RBD) 与时间感知改变有关,但这些缺陷的关系和神经认知基础尚不清楚.
研究的目的:
- 研究右脑损伤 (RBD) 患者的时间感知缺陷之间的关系.
- 确定右半球损伤后时间处理障碍的神经认知基础.
主要方法:
- 脊椎病患者,左脑损伤 (LBD) 患者和健康对照组执行了时间分割和生殖任务.
- 任务涉及短 (毫秒) 和长 (秒) 的时间间隔.
- 基于Voxel的病变症状映射 (VLSM) 用于将病变位置与性能相关联.
主要成果:
- 与LBD患者和对照人群相比,RBD患者低估了分割任务中的时间间隔.
- RBD患者高估了时间间隔生殖能力.
- 这些影响在短时间内是显著的,相关的,并且与右皮层-皮下皮层网络 (岛屿,下额头) 的病变有关.
结论:
- 右半球受损导致时间低估和过度复制的相关缺陷,特别是在短时间内.
- 调查结果支持RBD之后的时间感知"内钟减速"模型.
- 一个重叠的右半球网络,包括胰岛和下额头,是这些时间缺陷的基础.
相关概念视频
01:05Cerebral Hemispheres
385
The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
385
01:28Lateralization
363
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
363