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Visual, auditory memory encoding and retrieval ERP Study

Author: QuNan
Tutor: GuoChunYan
School: Capital Normal University
Course: Basic Psychology
Keywords: Remember Familiar Remember / know paradigm Dm effect old / new effect Audio channel ERP
CLC: B842
Type: Master's thesis
Year: 2005
Downloads: 261
Quote: 0
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Abstract


A large number of behavioral studies have demonstrated that recognition memory processing by at least two separate effects , namely remember (recollection) and familiarity (familiarity). This paper attempts to high temporal resolution of event-related brain potentials (ERPs) techniques to explore the visual, auditory memory encoding and retrieval process corresponds to remember and become familiar with the characteristics of neurophysiological mechanisms . 14 college students as research subjects , the learning phase the subjects were asked to learn Chinese double words , the subjects were asked for test phase remember / know / new judgment , stimulating materials using visual, hearing two kinds of channels showing , and the presentation of learning and test process consistent experimental materials in each group and the specific word frequency and other indicators to strike a balance . Encoding process , based on their test scores have been divided into the project have remembered , have to know and have forgotten ( false negatives ) into three categories, the corresponding ERPs were analyzed ; extraction process , the project is divided into the right judgments remember correctly judge and the right to know rejected three new projects , the corresponding ERPs were analyzed. Experimental results show that visual presentation coding process got under way significant to remember Dm effect , Dm effect and have been known to remember effect, the extraction process to obtain a significant Remember old / new effect, known old / new effect and remember that effect , indicating coding, the extraction process to remember and learn two different processing dependent neurophysiological mechanisms , further development and validation of the previous results ; while the aural rendering mode encoding and retrieval process only gained significant Remember you know, the Dm effect and keep in mind , knowing the old / new effect, while experimental results show that several effects of auditory channel ERP distribution schedule and topographic maps with different visual pathways , this result indicates that visual, auditory channel effects and Dm old / new effect depends different neurophysiological mechanisms . The results of this study support the hypothesis that visual, auditory processing channel coding project psychological resources allocated different , resulting in different learning project received coding efforts , leading to auditory channel did not find a significant effect remember .

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