在语言中否定和社会回避会招募右下额头:一项tDCS研究
Enrique García-Marco1,2, Aarón Nuez Trujillo3, Iván Padrón2,4
1Department of Clinical and Experimental Psychology, University of Huelva, Huelva, Spain.
Frontiers in psychology
|May 20, 2024
概括
针对右下额头 (rIFG) 的跨直流刺激 (tDCS) 增强了语言否定的抑制作用. 这种调制会影响句子的理解,特别是避免动词,从而影响社交沟通中的认知处理.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 心理语言学 心理语言学
背景情况:
- 语言否定通常在理解过程中抑制了否定的场景.
- 右下额头 (rIFG) 对于抑制控制和否定处理至关重要.
- 像"排除"这样的态度动词隐含地传达了消极性,与社会回避有关.
研究的目的:
- 调查针对rIFG的跨直流刺激 (tDCS) 是否可以调节避免动词中明确否定和隐含否定之间的相互作用.
- 探索rIFG刺激对涉及否定和态度动词的句子理解的影响.
主要方法:
- 64名参与者完成了针对rIFG的20分钟tDCS会议.
- 参与者阅读肯定和负面的方法/避免句子 (例如",子包括/不包括肉").
- 动词识别时间被测量为句子后显示.
主要成果:
- 阳性tDCS加剧了否定的抑制作用,增加了负句中的动词的阅读时间.
- 在阳节刺激下避免句子显示了替代动词的阅读时间缩短 (例如,在否定的"排除"上下文中"包括").
- 这表明了否定避免动词隐含含义的增强处理.
结论:
- 在rIFG上的Anodal tDCS在句子理解过程中放大了否定的抑制影响.
- 这些发现支持rIFG在处理态度动词的明确否定和隐含否定方面的作用.
- 这项研究有助于理解社会沟通环境中的否定处理模型.
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