在高低詞頻和間隔中通道類型對再認(rèn)和重復(fù)啟動的影響：ERP證據(jù)
發(fā)布時間：2018-12-17 06:26
【摘要】：再認(rèn)的新/舊效應(yīng)和重復(fù)啟動經(jīng)常被用來研究外顯記憶和內(nèi)隱記憶。近年來,盡管大量行為、腦電等研究均證實外顯記憶和內(nèi)隱記憶二者是相互分離的,最近一些學(xué)者的腦神經(jīng)相關(guān)研究發(fā)現(xiàn)二者神經(jīng)機(jī)制存在重疊。造成不同研究結(jié)果間產(chǎn)生差異的可能原因是已有研究控制的實驗條件(如采用的研究范式、實驗材料、時間間隔、呈現(xiàn)通式等)不一致,這在一定程度上降低了研究間的可比性。本文擬以再認(rèn)的新/舊效應(yīng)和重復(fù)啟動兩個方面來進(jìn)行研究,探討外顯記憶和內(nèi)隱記憶之間的關(guān)系。本文將進(jìn)行四個研究,均采用事件相關(guān)電位(ERP)技術(shù),采用相同的實驗范式(修訂的連續(xù)再認(rèn)范式)、均以選取的為實驗材料。研究一和研究三采用高頻詞匯為研究材料,研究二和研究四采用低頻詞匯為實驗材料。研究一和研究二均為再認(rèn)實驗,被試的任務(wù)是在判斷逐一呈現(xiàn)的詞匯是否已學(xué);研究三和研究四為重復(fù)啟動實驗,被試的任務(wù)是對詞匯呈現(xiàn)通道作出判斷。同為再認(rèn)的研究一和研究二,均發(fā)現(xiàn)時間間隔、呈現(xiàn)通道、與通道類型的行為結(jié)果和反映再認(rèn)神經(jīng)機(jī)制的新/舊效應(yīng)(包括反映熟悉加工的FN400和反映回憶加工的LPC)均具有明顯調(diào)節(jié)作用。時間間隔和通道類型均對FN400和LPC具有明顯調(diào)節(jié)作用,詞頻對FN400和LPC具有明顯調(diào)節(jié)作用。同為重復(fù)啟動的研究三和研究四,均發(fā)現(xiàn)時間間隔、呈現(xiàn)通道、與通道類型均與重復(fù)啟動關(guān)聯(lián)的行為結(jié)果和反映重復(fù)啟動效應(yīng)神經(jīng)機(jī)制的相關(guān)成分(包括反映概念和重復(fù)加工的N400和意識提取的LPC)均具有明顯調(diào)節(jié)作用。時間間隔和通道類型均對N400和LPC具有明顯調(diào)節(jié)作用,詞頻對N400和LPC具有明顯調(diào)節(jié)作用。本研究獲得以下主要結(jié)論:時間間隔、通道類型和時間間隔對再認(rèn)和重復(fù)啟動的影響在神經(jīng)機(jī)制方面是分離的。
[Abstract]:Recognition of new / old effects and repetitive priming are often used to study explicit and implicit memory. In recent years, although a large number of behavior, EEG and other studies have confirmed that explicit memory and implicit memory are separated from each other. The possible reason for the differences between the results of different studies is the inconsistency of the experimental conditions (such as the adopted research paradigm, experimental materials, time intervals, general expressions, etc.) that have been controlled by existing studies. This reduces the comparability of research to some extent. In this paper, the relationship between explicit memory and implicit memory is studied by using the new / old effects of recognition and repetitive priming. In this paper, four studies will be carried out, using the event-related potential (ERP) technique, using the same experimental paradigm (the revised continuous recognition paradigm), and using the selected data as the experimental materials. In the first and third studies, the high frequency vocabulary was used as the research material, and in the second and fourth studies, the low frequency vocabulary was used as the experimental material. The task of study 1 and study 2 is to judge whether the vocabulary presented one by one has been learned, and the task of study 3 and study 4 is to judge the lexical presentation channel. In both studies I and II, time intervals and channels were found. Both the behavioral results of channel type and the new / old effects reflecting the recognition neural mechanism (including FN400 which reflects familiar processing and LPC which reflects recall processing) have significant regulatory effects. Time interval and channel type can regulate FN400 and LPC obviously, and word frequency can regulate FN400 and LPC obviously. Studies 3 and 4, both of which are repetitive, both found time intervals and presented channels. The behavioral results associated with the channel type and the related components reflecting the neural mechanism of repetitive priming effects (including N400, which reflects concepts and repetitive processing, and LPC extracted by consciousness) have significant regulatory effects. The time interval and channel type were significantly regulated on N400 and LPC, and word frequency on N400 and LPC. The main conclusions of this study are as follows: the effects of time interval, channel type and time interval on recognition and repeat initiation are separated in neural mechanism.
【學(xué)位授予單位】：浙江大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：B842.3
本文編號：2383805
[Abstract]:Recognition of new / old effects and repetitive priming are often used to study explicit and implicit memory. In recent years, although a large number of behavior, EEG and other studies have confirmed that explicit memory and implicit memory are separated from each other. The possible reason for the differences between the results of different studies is the inconsistency of the experimental conditions (such as the adopted research paradigm, experimental materials, time intervals, general expressions, etc.) that have been controlled by existing studies. This reduces the comparability of research to some extent. In this paper, the relationship between explicit memory and implicit memory is studied by using the new / old effects of recognition and repetitive priming. In this paper, four studies will be carried out, using the event-related potential (ERP) technique, using the same experimental paradigm (the revised continuous recognition paradigm), and using the selected data as the experimental materials. In the first and third studies, the high frequency vocabulary was used as the research material, and in the second and fourth studies, the low frequency vocabulary was used as the experimental material. The task of study 1 and study 2 is to judge whether the vocabulary presented one by one has been learned, and the task of study 3 and study 4 is to judge the lexical presentation channel. In both studies I and II, time intervals and channels were found. Both the behavioral results of channel type and the new / old effects reflecting the recognition neural mechanism (including FN400 which reflects familiar processing and LPC which reflects recall processing) have significant regulatory effects. Time interval and channel type can regulate FN400 and LPC obviously, and word frequency can regulate FN400 and LPC obviously. Studies 3 and 4, both of which are repetitive, both found time intervals and presented channels. The behavioral results associated with the channel type and the related components reflecting the neural mechanism of repetitive priming effects (including N400, which reflects concepts and repetitive processing, and LPC extracted by consciousness) have significant regulatory effects. The time interval and channel type were significantly regulated on N400 and LPC, and word frequency on N400 and LPC. The main conclusions of this study are as follows: the effects of time interval, channel type and time interval on recognition and repeat initiation are separated in neural mechanism.
【學(xué)位授予單位】：浙江大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：B842.3
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相關(guān)期刊論文 前7條
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