資源簡(jiǎn)介
整個(gè)P300數(shù)據(jù)由基于Oddball范式的P300字符實(shí)驗(yàn)產(chǎn)生,實(shí)驗(yàn)過(guò)程如下:實(shí)驗(yàn)過(guò)程由一名被試者完成,字符矩陣的顯示周期為2.5s,在這個(gè)周期內(nèi),字符矩陣的每行或列均被隨機(jī)地加亮一次,加亮的持續(xù)時(shí)間為lOOms,兩次加亮之間的時(shí)間間隔為75ms:對(duì)于每個(gè)目標(biāo)字符,受試者需連續(xù)重復(fù)進(jìn)行15次實(shí)驗(yàn),即要經(jīng)歷15個(gè)字符矩陣顯示周期,因此對(duì)于一個(gè)目標(biāo)字符,字符矩陣會(huì)進(jìn)行12×15次加亮。第一節(jié)各段的目標(biāo)字符分別為CAT,DOG,FISH,WATER,BOWL;第二節(jié)各段的目標(biāo)字符分別為HAT,HAT,GLOVE,SHOES,FISH,RAT;第三節(jié)各段的目標(biāo)字符為FOOD,MOOT,HAM,PIE,CAKE,TUNA,ZYGOT,4567。在實(shí)驗(yàn)過(guò)程中,設(shè)備通過(guò)位于受試者腦部頭皮上的64個(gè)采樣電極,以240Hz的采樣頻率記錄腦電信號(hào)。并將記錄的信號(hào)分為三節(jié),每節(jié)信號(hào)又根據(jù)英文單詞或字符組的不同分成許多段。其中第一節(jié)(Session 10)包括5個(gè)段,第二節(jié)(Session 11)包括6個(gè)段,第三部分(Session 12)包括8個(gè)段。每段數(shù)據(jù)存儲(chǔ)為一個(gè)Matlab數(shù)據(jù)格式文件,如第一節(jié)第四段的實(shí)驗(yàn)數(shù)據(jù)存儲(chǔ)為文件“AAS010R04”,第二節(jié)第六段的實(shí)驗(yàn)數(shù)據(jù)存儲(chǔ)為文件“AAS011R06”。
代碼片段和文件信息
?屬性????????????大小?????日期????時(shí)間???名稱
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?????文件??????35508??2020-05-14?14:07??p300數(shù)據(jù).docx
?????文件????3977040??2002-12-02?11:48??AAS010R01.mat
?????文件????3977040??2002-12-02?11:49??AAS010R02.mat
?????文件????5301672??2002-12-02?11:49??AAS010R03.mat
?????文件????6626184??2002-12-02?11:50??AAS010R04.mat
?????文件????5301672??2002-12-02?11:51??AAS010R05.mat
?????文件????3977040??2002-12-02?11:52??AAS011R01.mat
?????文件????3977040??2002-12-02?11:53??AAS011R02.mat
?????文件????6626184??2002-12-02?11:54??AAS011R03.mat
?????文件????6626184??2002-12-02?11:55??AAS011R04.mat
?????文件????5301672??2002-12-02?11:56??AAS011R05.mat
?????文件????4466280??2002-12-02?11:57??AAS011R06.mat
?????文件????4914960??2002-12-03?08:53??AAS012R01.mat
?????文件????4914960??2002-12-03?08:53??AAS012R02.mat
?????文件????3686864??2002-12-03?08:53??AAS012R03.mat
?????文件????3686864??2002-12-03?08:53??AAS012R04.mat
?????文件????4914960??2002-12-03?08:54??AAS012R05.mat
?????文件????4914960??2002-12-03?08:54??AAS012R06.mat
?????文件????6143024??2002-12-03?08:54??AAS012R07.mat
?????文件????4914960??2002-12-03?08:54??AAS012R08.mat
?????文件???????1178??2002-10-31?11:15??eloc64.txt
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?????????????94286246????????????????????21
-----------?---------??----------?-----??----
?????文件??????35508??2020-05-14?14:07??p300數(shù)據(jù).docx
?????文件????3977040??2002-12-02?11:48??AAS010R01.mat
?????文件????3977040??2002-12-02?11:49??AAS010R02.mat
?????文件????5301672??2002-12-02?11:49??AAS010R03.mat
?????文件????6626184??2002-12-02?11:50??AAS010R04.mat
?????文件????5301672??2002-12-02?11:51??AAS010R05.mat
?????文件????3977040??2002-12-02?11:52??AAS011R01.mat
?????文件????3977040??2002-12-02?11:53??AAS011R02.mat
?????文件????6626184??2002-12-02?11:54??AAS011R03.mat
?????文件????6626184??2002-12-02?11:55??AAS011R04.mat
?????文件????5301672??2002-12-02?11:56??AAS011R05.mat
?????文件????4466280??2002-12-02?11:57??AAS011R06.mat
?????文件????4914960??2002-12-03?08:53??AAS012R01.mat
?????文件????4914960??2002-12-03?08:53??AAS012R02.mat
?????文件????3686864??2002-12-03?08:53??AAS012R03.mat
?????文件????3686864??2002-12-03?08:53??AAS012R04.mat
?????文件????4914960??2002-12-03?08:54??AAS012R05.mat
?????文件????4914960??2002-12-03?08:54??AAS012R06.mat
?????文件????6143024??2002-12-03?08:54??AAS012R07.mat
?????文件????4914960??2002-12-03?08:54??AAS012R08.mat
?????文件???????1178??2002-10-31?11:15??eloc64.txt
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?????????????94286246????????????????????21
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