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Correlation , including implicit and explicit memory encoding and retrieval differences ERP performance

Author: LiYueZuo
Tutor: GuoChunYan
School: Capital Normal University
Course: Basic Psychology
Keywords: He related Main correlation Coding Extract Event-related potentials (ERPs)
CLC: B842.3
Type: Master's thesis
Year: 2009
Downloads: 144
Quote: 0
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Abstract


The relationship between implicit memory and explicit memory has always been a hot research field of cognitive psychology. Gradually developed more and more closely integrated with the cognitive psychology and social psychology, social cognition research. From social cognitive processing of conscious and unconscious social cognition can be divided into two aspects of explicit and implicit social cognition. The correlation is an important concept in the field of social cognition, studies have shown that the human distinction is implicit correlation. Experimental studies have shown that implicit memory and explicit memory rely on different memory systems, and the memory system and the different regions of the brain linked to, then these implicit level distinguish whether implicit memory retrieval same characteristics; whether by implicit memory and explicit memory retrieval; what will be on the ERPs reflect how cognitive processes. In this study, the learning - recognition paradigm using event-related potentials (ERPs) to explore in the field of social cognition (relevant words and his word) differences implicit and explicit memory tests. Experiment accompanied encoding task, found that, whether implicit or explicit memory tests, he related words than main word ERP waveform more negative; semantic social material process, the N400 effect; in separation time of 700-900ms, the extraction method ERP; the implicit extraction process, there is no difference between the correlation ERP; outer significant extraction process, the presence of both the ERP significant difference; use Curry6.0 source in the left wedge system ERPs the traceability analysis found, 400ms on relevant words, and his words have activated left precuneus, and he related words activated the right precuneus 600ms on both brain anterior lobe. In summary, the experiments show that the human awareness of relevant words and his words in the extraction stage is different, stronger reaction itself closer relationship related words, which reflects more closely the relationship itself stimulus attentional bias. Experiment 2 used intentionally coding tasks, and found that there is no difference between main related and he. Change the coding phase of the mission, the second experiment, the old words of the old word of implicit memory tests with explicit memory tests and new words, the correlation between differences.

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CLC: > Philosophy, religion > Psychology > Psychological processes and mental state > Learning and memory
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