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面额前额中侧梯度预测了前性痴呆症中的创造力
Victor Altmayer1,2, Marcela Ovando-Tellez1, Théophile Bieth1,2
1Sorbonne University, Institut du Cerveau - Paris Brain Institute - ICM, FrontLab, Inserm, CNRS, AP-HP, Hôpital de la Pitié Salpêtrière, 75013, Paris, France.
创造性思维涉及产生和结合想法,由大脑网络支持. 面向中间的PFC有助于创意产生,而面向侧的PFC则将它们结合在一起,两者都对整体创造力至关重要.
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
- 神经成像是一种神经成像.
背景情况:
- 创造性思维依赖于整合和重新配置知识.
- 默认模式网络 (DMN) 和执行控制网络 (ECN) 支持创意过程.
- 面额前额叶皮质 (PFC) 是DMN-ECN在创造力方面的交互的建议枢纽.
研究的目的:
- 调查中介面和侧面面的PFC在创造性认知中的不同作用.
- 以行为变异前性痴呆症 (bvFTD) 作为模型来研究创造性思维.
- 描述面向PFC中的功能连接及其与创造力的关系.
主要方法:
- 采用基于voxel的全脑形态测量来识别关键大脑区域.
- 利用了静止状态功能连接和梯度映射技术.
- 评估远程语义关联和整体创造能力的生成和结合.
主要成果:
- 罗斯特中介PFC对于产生远程语义关联至关重要.
- 逆侧PFC对于组合语义关联者至关重要.
- 面向PFC中的中侧功能梯度分离DMN和ECN连接,预测创造能力.
结论:
- 面部PFC的分支在创作过程中起着不同的作用.
- 沿着DMN-ECN梯度在面状PFC内的功能连接,支着创造性认知.
- 结果提供了对创造力及其在bvFTD中的破坏的见解.
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