【摘要】：采用ERPs技術,考察了個體新穎性圖像加工的時間進程。行為結果表明:新穎性圖像的判斷時間更長。ERPs結果顯示:新穎與非新穎圖像在刺激呈現(xiàn)后190~340ms誘發(fā)出明顯的前額區(qū)N190~340,但在波幅上無顯著差異;在400~600ms以及600~1000ms,新穎性圖像在頂區(qū)與額-中央?yún)^(qū),特別在右側半球誘發(fā)出更大的正性偏移(P400~600和LPC)。研究表明:圖像新穎性屬性的識別主要發(fā)生在涉及圖像特征融合、圖像記憶編碼等多項認知活動參與的晚期加工階段,并存在半球右側化效應。
[Abstract]:The time process of individual novelty image processing was investigated by ERPs technique. The results of behavior showed that the judgment time of novelty images was longer. ERPs results showed that 190~340ms induced obvious N190 鈮，

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