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  • Spatial frequencies affect the processing of fearful facial expression in neural pathways

    Subjects: Psychology >> Cognitive Psychology submitted time 2020-01-18

    Abstract: Fear has been often given priority to effective processing for the need to evade threatening stimuli. Most of researches have probed the influence of high and low spatial frequencies on the processing of fearful faces from the perspective of the two-channel model. Low spatial frequency components of the fearful face can be processed preferentially in the subcortical pathway. The high spatial frequency mainly processes the fearful faces through the cortical pathway. On this basis, researchers have proposed multiple pathways. The purpose of this paper is to review the subcortical, cortical and multiple pathways from the physiological perspective, and then organize the effects that high/low spatial frequencies on the processing of fearful faces in the various pathways and propose the controversies. Finally, we suggested several focuses that could be studied in the future."

  • The predictive effect of metacognitive confidence on joint decision making

    Subjects: Psychology >> Social Psychology submitted time 2020-01-04

    Abstract: Metacognition refers to individual's subjective judgment about process of ongoing cognitive activities. As one of the indicators reflecting metacognitive sensitivity, confidence plays an important role in the individual's understanding and adjustment of one’s own behaviors. Studies have shown that the common task types in self-confidence indicators involve basic and advanced mental processing. In addition, the prediction of self-confidence on joint decision making gradually changes from confidence itself to exploratory prediction parameters based on computational models. Finally, neurophysiological research on confidence has verified the importance of prefrontal cortex (PFC) and posterior parietal cortex (PPC). In order to optimize the predictive function of confidence, future research should explore other complementary computational models related to confidence in decision-making process. "

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