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Alternative TitleThe Dissociation of Recollection from Familiarity in the Condition of Conceptual-similarity
王晓娜1; 李琦1; 郭春彦1
Source Publication心理科学
Contribution Rank2
Other AbstractResults from cognitive, neuropsychological and neuroimaging studies of human memory indicate that recognition memory performance reflected two distinct memory processes: recollection and familiarity. Recollection involved the retrieval of specific details associated with something recognized; familiarity was an assessment of the overall similarity between a test item and all study-list information in memory. Previous ERP studies of the recollection and familiarity suggested that: during 300 500ms, FN400 ERP old new effect was related to familiarity, and during the 400- 800ms, the parietal ERP old new effect was related to recollection. However, this hypothes~s had not yet to be confirmed. The purpose of our studies was to explore the dissociation of recoUection from familiarity. Using Event-related Potentials, the present study adopted Chinese characters as stimuli. Subjects were seventeen undergraduate students in which three subjects were rejected because of lacking of the humor of superposition. The size of statistical sample was fourteen, in which there were eight girls and six boys. The average age of the sample was twenty point one years old. All the subjects were right-handed with normal vision or corrected visual acuity. All the subjects had no history of mental illness or history of brain diseases. We gave the certain degree of compensation to subjects after the experiment. This study adopted a "study-test" pattern and the material of Chinese characters to explore the dissociation of recollection from familiarity in condition of conceptual-similarity using event-related potential (ERPs) measurements. The task of the studying phase was to remember the words that appeared on the screen, but not pressing any key. There were three types of words in the testing stage including old words, similar words (conceptualsimilarity with old words) and new words (not conceptual-similarity with old words). The task of the testing phase was to make old/ new judgments. The study analyzed three types of ERPs: old "no", similar "yes" and new "no". The behavioral results showed that ( 1 ) the behavioral dates of the old "no", similar "yes" and new "no" had no significant difference on reaction time. (2) The behavioral dates of the old "no", similar "yes" and new "no" had no significant difference on accuracy. The ERPs results showed that (1) the difference between the ERPs of old "yes" and new "no" showed in the region of frontal and central during 330- 430ms and central and parietal during 430- 600ms. (2)the difference between the ERPs of similar "yes" and new "no" reflecting the familiarity process and this difference showed in the region of frontal during 330- 430ms. (3)the difference between the ERPs of old "yes" and similar ',yes" reflecting the recollection process showed in the region of central and parietal during 430 - 600ms. In conclusion, the results showed that the familiarity effect was mainly reflected in the region of frontal during 330 - 430ms. The recollection effect was mainly reflected in the region of central and parietal during 430 - 600ms. In the case of Chinese characters, the study confirmed that the earlier N400 old/new effects reflected familiarity and the later parietal LPC reflected recollection. The study provided a new evidence for the hypothesis of dual- process from the Chinese material viewpoint.
Keyword记忆 语义相似性 回忆 熟悉性 事件相关电位
Subject Area认知心理学
Indexed ByCSCD
Funding Organization本研究得到国家自然科学基金(30870760)、北京市教委重点基金(KZ201010028029)和高等学校博士学科点专项基金(20101108110004)的资助.
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Document Type期刊论文
Corresponding Author郭春彦
Recommended Citation
GB/T 7714
王晓娜,李琦,郭春彦. 语义相似性下回忆和熟悉性的分离[J]. 心理科学,2011(5):1068-1071.
APA 王晓娜,李琦,&郭春彦.(2011).语义相似性下回忆和熟悉性的分离.心理科学(5),1068-1071.
MLA 王晓娜,et al."语义相似性下回忆和熟悉性的分离".心理科学 .5(2011):1068-1071.
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