摘要
目的:探讨模式识别中,当模式和模板分别处于不同的记忆系统时,如何进行比较。方法:对15例2004-02/06中南民族大学学生视力(含矫正视力)正常者进行一项全部报告实验和两项抽样匹配实验。实验所用的刺激物为3类卡片,其上分别有8个汉字、1个汉字和提示符“!”,它们分别称为模式卡片、模板卡片和提示符卡片。抽样匹配实验分为两类:①抽样匹配实验1。在该实验中,模板后于模式呈现。②抽样匹配实验2。与抽样匹配实验1不同,该实验中模板先于模式呈现。结果:符合标准的13例,进入结果分析。①全部报告实验中,总平均模式转换量为3.71个,相应的总平均模式转换率为46.38%。②抽样匹配实验1中,总平均匹配模式识别量为11.13个,总平均匹配模式转换量均为11.28个,两者差异不显著(P>0.05)。③抽样匹配实验2中,总平均匹配模式识别量为19.63个,总平均匹配模式转换量为11.13个,两者差异显著[t(13)=12.879,SD=0.099,P=0.000]。结论:通过全部报告实验和抽样匹配实验1,得到一个判别模式识别时所利用信息来源的判据:如果匹配模式的识别量显著多于其转换量,模式识别需直接利用模式的感觉记忆信息;利用鉴别信息来源的判据得出,在抽样匹配实验2中,模式的感觉记忆信息被直接用于模式识别。
AIM:To investigate how pattern and template should be matched as they have di fferent memory codes during pattern recognition. METHODS:From February to June 2004,15 students with normal eyesight(including corrected vision) in the South Central University for Nationalities were tested in a whole reporting test and two sampling matching test.The stimulators used in the tests were cards of 3 kinds with 8 Chinese characters,1 Chinese characte rs and the promoting symbol '!' on them respectively,which were called pattern card,templat card and promoting symbol card.The sampling matching test had 2 k inds:①In sampling matching test 1,templat occurred later than pattern;②In sam pling matching test 2,templat occurred earlier than pattern,which was different from that in test 1. RESULTS:Thirteen cases were in accordance with the criteria and involved in th e analysis of results.①In the whole reporting test,the total average pattern c hange over amount was 3.71 pieces,and the corresponding rate was 46.38%.②In s ampling matching test 1,the total average amount of recognized matching pattern s(11.13 pieces) had no distinct difference from that of change over ones(11.28 pieces)(P >0.05).③In sampling matching test 2,the total average amount of reco gnized matching patterns(19.63 pieces) had distinct difference from that of chan ge over ones(11.13 pieces)[t(13)=12.879,standard deviation=0.099,P=0.000]. CONCLUSION:From the whole reporting test and sampling matching test 1,an evi dence for the utilization of information source in judging pattern recognition i s obtained:If the recognized amount of matching pattern is significantly more th an its change over amount,the pattern recognition should directly use the senso ry memory information of pattern;The evidence for the utilization of identifying information source,the sensory memory information of pattern is directly used f or pattern recognition in sampling matching test 2,it is matched directly with template acrossed memory systems that store short term memory informa
出处
《中国临床康复》
CSCD
北大核心
2005年第16期73-75,共3页
Chinese Journal of Clinical Rehabilitation
基金
国家自然科学基金资助项目(39670213)~~
