心理学
认知心理学
认知
背景(考古学)
神经影像学
缘上回
促进
控制(管理)
任务(项目管理)
神经科学
功能磁共振成像
计算机科学
人工智能
经济
管理
古生物学
生物
作者
Matteo Canini,Pasquale Anthony Della Rosa,Eleonora Catricalà,Branzi Francesca Martina,Francesca M. Branzi,Albert Costa,Jubin Abutalebi,Pasquale Anthony,Della Rosa,Eleonora Catrical,Kristof Strijkers,Francesca M. Branzi,Albert Costa,Jubin Abutalebi,Pasquale Anthony Della Rosa,Eleonora Catricalà,Francesca M. Branzi
摘要
Abstract During picture naming, the ease with which humans generate words is dependent upon the context in which they are named. For instances, naming previously presented items results in facilitation. Instead, naming a picture semantically related to previous items displays persistent interference effects (i.e., cumulative semantic interference, CSI). The neural correlates of CSI are still unclear and it is a matter of debate whether semantic control, or cognitive control more in general, is necessary for the resolution of CSI. We carried out an event‐related fMRI experiment to assess the neural underpinnings of the CSI effect and the involvement and nature of semantic control. Both left inferior frontal gyrus (LIFG) and the left caudate nucleus (LCN) showed a linear increase of BOLD response positively associated with the consecutive number of presentations of semantically related pictures independently of task‐load. The generalized psychophysiological interaction analysis showed that LIFG demonstrated a quantitative neural connectivity difference with the left supramarginal and angular gyri for increases of task‐load and with the fusiform gyri for linear CSI increases. Furthermore, seed‐to‐voxel functional connectivity showed that LIFG activity coupled with different regions involved in cognitive control and lexicosemantic processing when semantic interference was elicited to a minimum or maximum degree. Our results are consistent with the lexical‐competitive nature of the CSI effect, and we provide novel evidence that semantic control lies upon a more general cognitive control network (i.e., LIFG and LCN) responsible for resolving interference between competing semantically related items through connectivity with different brain areas in order to guarantee the correct response. Hum Brain Mapp 37:4179–4196, 2016 . © 2016 Wiley Periodicals, Inc.
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