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Alternative TitleCognitive processing of communicative actions regulated by global-local motion, physiological and contextual cues
Other AbstractBody movements are of fundamental significance in social interplay; sometimes, they convey more social information than language does. The investigation of the perception of communicative actions enables us to extend our reach of underlying mechanisms of social cognition. The thesis includes three studies examining the regulative roles which global-local motion, physiological and contextual cues plays on the processing of communicative actions, by using psychophysical, psychopharmacological experiments and functional magnetic resonance imaging technique.
Study 1 observed fact that both global and local communicative point-light animation compressed participants' temporal perception, but the temporal compressions effect of local motion is significantly weaker than that of global motion. It suggests communicative action processing automatically grabs attentional resources at an early stage of cognitive processing.
Study 2 assessed the impacts of Oxytocin (OT) and its receptor antagonist, Atosiban (AT), exerted on such processes. The results revealed that OT’s effects were modulated by task difficulty and individual autistic tendency. Namely, OT recovered communicative action processing among socially less-proficient population; and fostered the sensitivity to vague communicative actions in socially more-proficient ones, but redundant OT was unnecessary for them when communicative intention was telling. The study gives us fairly more comprehensive reflections on the social cognitive function of OT and implies that the interaction of drug, context and individual differences needs to be systematically tested in future.
Study 3 found that female participants tended to extract and integrate acoustic context cues of actions, when less communicative/non-communicative intention was provided by visual actions; and the neural correlates lay on the interaction between mirror neuron system and mentalizing system. The observation inspires us to consider the real function of mirror neurons in intention processing and functional differences and coordination of mirror neuron system and mentalizing system.
Subject Area基础心理学
Keyword动作理解 社交意图 催产素 自闭特质 镜像神经元系统 心智化系统
Degree Discipline心理学
Degree Grantor中国科学院研究生院
Place of Conferral北京
Document Type学位论文
Recommended Citation
GB/T 7714
刘睿. 整体-局部运动、生理线索与情境线索对社交动作认知加工等影响[D]. 北京. 中国科学院研究生院,2016.
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