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Aiming at the characteristics of human thinking centric studies, Brain Informatics (BI) adopts a multi-aspect data analysis approach for realizing systematic human brain data analysis. However, the existing expert-driven and individual capabilities based approach cannot realize a holistic multi-aspect brain data analysis because of the limitation of individual capabilities of researchers. In this...
The activation of the prefrontal cortex is a consistent finding in neuroimaging studies of memory encoding and retrieval. Some of the studies have shown that the left prefrontal cortex is involved in the encoding of information, whereas the right prefrontal cortex is involved in the retrieval, which suggests distinct non-overlapping cortical processing of encoding and retrieval in the prefrontal cortex...
Spontaneous brain activity studies have revealed `small-world' property in functional networks based on correlated or positively-correlated relationships. However, studies neither investigated negatively-correlated functional networks, nor checked the `dynamic' properties of the whole functional organization. After subjects performed a specific task, what changes will be caused in the intrinsic organization?...
Using event-related functional magnetic resonance imaging (fMRI) and the Ebbinghaus paradigm, we investigated the effect of memory in parietal cortex activity. In the course of one week, participants learned Boolean arithmetic tasks and were asked to master them perfectly. We measured cerebral activation with fMRI while healthy volunteers had learned and practiced Boolean rules on day 1 (i.e., labile...
Syllogistic reasoning is a form of deductive reasoning in which a logical conclusion is drawn from premises. Forward-chaining syllogistic reasoning refers to response pattern of figure 1 syllogism (M-P, S-M, S-P with response chain of S-M-P) and backward-chaining syllogistic reasoning refers to response pattern of figure 4 syllogism (P-M, S-M, S-P with response chain of P-M-S). Previous psychological...
Both text and figure are important ways to represent data and information. Although many investigations on lexical, sentential representation and processing have been reported in cognitive neuroscience, the brain mechanism remains unclear on different neural substrates of representation and processing between text and figure. In our study, experimental materials were designed with the same content...
Although some preliminary spatial localization results have been reported, the temporal characteristics of human inductive reasoning process have not been investigated. In the present study, event-related potential (ERP) was used to explore the time course of inductive reasoning process. Based on pilot studies and some other related research, we hypothesized that the process of numerical inductive...
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