近(jin)紅(hong)外(wai)腦(nao)成(cheng)像(xiang)儀(yi)在(zai)動(dong)態(tai)環(huan)境(jing)中(zhong)使(shi)用(yong)的(di)優(you)勢(shi)
近(jin)紅(hong)外(wai)腦(nao)成(cheng)像(xiang)儀(yi)(fNIRS)作(zuo)為(wei)一(yi)種(zhong)新(xin)興(xing)的(di)腦(nao)功(gong)能(neng)成(cheng)像(xiang)技(ji)術(zhu),近(jin)年(nian)來(lai)在(zai)動(dong)態(tai)環(huan)境(jing)中(zhong)展(zhan)現(xian)出(chu)了(liao)優(you)勢(shi),使(shi)其(qi)在(zai)多(duo)個(ge)領(ling)域(yu)得(dei)到(dao)了(liao)廣(guang)泛(fan)應(ying)用(yong)。這(zhe)種(zhong)技(ji)術(zhu)能(neng)夠(gou)在(zai)自(zi)然(ran)環(huan)境(jing)條(tiao)件(jian)下(xia)實(shi)時(shi)監(jian)測(ce)大(dai)腦(nao)活(huo)動(dong),突(tu)破(po)了(liao)傳(zhuan)統(tong)成(cheng)像(xiang)設(she)備(bei)的(di)局(ju)限(xian)。
一(yi)、抗(kang)運(yun)動(dong)幹(gan)擾(rao)能(neng)力(li)強(jiang)
在(zai)動(dong)態(tai)環(huan)境(jing)中(zhong),受(shou)試(shi)者(zhe)的(di)運(yun)動(dong)是(shi)不(bu)可(ke)避(bi)免(wen)的(di),而(er)傳(zhuan)統(tong)的(di)腦(nao)成(cheng)像(xiang)技(ji)術(zhu)如(ru)fMRI等(deng)對(dui)運(yun)動(dong)偽(wei)跡(ji)非(fei)常(chang)敏(min)感(gan),難(nan)以(yi)在(zai)運(yun)動(dong)狀(zhuang)態(tai)下(xia)獲(huo)取(qu)準(zhun)確(que)數(shuo)據(ju)。相(xiang)比(bi)之(zhi)下(xia),近(jin)紅(hong)外(wai)腦(nao)成(cheng)像(xiang)儀(yi)具(ju)有(you)很(hen)強(jiang)的(di)抗(kang)運(yun)動(dong)幹(gan)擾(rao)能(neng)力(li)。它(ta)通(tong)過(guo)主(zhu)動(dong)噪(zao)聲(sheng)抑(yi)製(zhi)算(suan)法(fa)、自(zi)適(kuo)應(ying)光(guang)源(yuan)調(diao)節(jie)和(hu)多(duo)通(tong)道(dao)參(shen)考(kao)網(wang)絡(lao)等(deng)技(ji)術(zhu),能(neng)夠(gou)有(you)效(xiao)識(zhi)別(bie)並(bing)校(jiao)正(zheng)由(you)頭(tou)部(bu)晃(huang)動(dong)或(huo)肌(ji)肉(rou)收(shou)縮(suo)引(yin)起(qi)的(di)信(xin)號(hao)漂(piao)移(yi),從(zong)而(er)在(zai)運(yun)動(dong)過(guo)程(cheng)中(zhong)也(ye)能(neng)穩(wen)定(ding)捕(bu)捉(zhuo)真(zhen)實(shi)的(di)大(dai)腦(nao)血(xue)流(liu)動(dong)力(li)學(xue)響(xiang)應(ying)。例(li)如(ru),在(zai)模(mu)擬(ni)駕(jia)駛(shi)或(huo)戶(hu)外(wai)導(dao)航(hang)任(ren)務(wu)中(zhong),fNIRS可(ke)以(yi)實(shi)時(shi)監(jian)測(ce)前(qian)額(e)葉(xie)皮(pi)層(ceng)和(hu)後(hou)頂(ding)葉(xie)皮(pi)層(ceng)的(di)激(ji)活(huo)模(mu)式(shi),揭(jie)示(shi)空(kong)間(jian)決(jue)策(ce)與(yu)注(zhu)意(yi)力(li)分(fen)配(pei)的(di)動(dong)態(tai)過(guo)程(cheng)。

二(er)、便(pian)攜(xie)性(xing)強(jiang),可(ke)穿(chuan)戴(dai)
近(jin)紅(hong)外(wai)腦(nao)成(cheng)像(xiang)儀(yi)的(di)便(pian)攜(xie)性(xing)是(shi)其(qi)在(zai)動(dong)態(tai)環(huan)境(jing)中(zhong)的(di)一(yi)大(dai)優(you)勢(shi)。新(xin)型(xing)的(di)fNIRS設(she)備(bei)采(cai)用(yong)了(liao)微(wei)型(xing)光(guang)學(xue)模(mu)塊(kuai)集(ji)成(cheng)、無(wu)線(xian)數(shuo)據(ju)傳(zhuan)輸(shu)和(hu)柔(rou)性(xing)材(cai)料(liao)設(she)計(ji),使(shi)得(dei)設(she)備(bei)重(chong)量(liang)大(dai)幅(fu)減(jian)輕(qing),佩(pei)戴(dai)更(geng)加(jia)舒(shu)適(kuo)。受(shou)試(shi)者(zhe)可(ke)以(yi)在(zai)佩(pei)戴(dai)設(she)備(bei)的(di)情(qing)況(kuang)下(xia)自(zi)由(you)活(huo)動(dong),甚(shen)至(zhi)進(jin)行(hang)奔(ben)跑(pao)、對(dui)話(hua)或(huo)舞(wu)蹈(dao)等(deng)複(fu)雜(za)動(dong)作(zuo)。這(zhe)種(zhong)便(pian)攜(xie)性(xing)和(hu)可(ke)穿(chuan)戴(dai)性(xing)使(shi)得(dei)fNIRS能(neng)夠(gou)在(zai)真(zhen)實(shi)場(chang)景(jing)中(zhong)進(jin)行(hang)研(yan)究(jiu),如(ru)親(qing)子(zi)互(hu)動(dong)、社(she)交(jiao)活(huo)動(dong)等(deng),為(wei)探(tan)索(suo)社(she)會(kuai)互(hu)動(dong)和(hu)複(fu)雜(za)認(ren)知(zhi)過(guo)程(cheng)提(ti)供(gong)了(liao)有(you)力(li)工(gong)具(ju)。
三(san)、實(shi)時(shi)動(dong)態(tai)監(jian)測(ce)
fNIRS能(neng)夠(gou)在(zai)動(dong)態(tai)任(ren)務(wu)中(zhong)實(shi)時(shi)監(jian)測(ce)大(dai)腦(nao)功(gong)能(neng)狀(zhuang)態(tai)。與(yu)傳(zhuan)統(tong)的(di)靜(jing)態(tai)腦(nao)成(cheng)像(xiang)技(ji)術(zhu)相(xiang)比(bi),fNIRS支(zhi)持(chi)一(yi)邊(bian)運(yun)動(dong)、一(yi)邊(bian)說(shui)話(hua)、甚(shen)至(zhi)一(yi)邊(bian)接(jie)受(shou)治(zhi)療(liao)一(yi)邊(bian)進(jin)行(hang)檢(jian)測(ce)。這(zhe)種(zhong)實(shi)時(shi)動(dong)態(tai)監(jian)測(ce)能(neng)力(li)使(shi)得(dei)fNIRS在(zai)臨(lin)床(chuang)康(kang)複(fu)領(ling)域(yu)具(ju)有(you)重(chong)要(yao)應(ying)用(yong)價(jia)值(zhi)。例(li)如(ru),在(zai)腦(nao)卒(cu)中(zhong)患(huan)者(zhe)的(di)康(kang)複(fu)訓(xun)練(lian)中(zhong),fNIRS可(ke)以(yi)實(shi)時(shi)反(fan)饋(kui)患(huan)者(zhe)大(dai)腦(nao)功(gong)能(neng)的(di)變(bian)化(hua),幫(bang)助(zhu)醫(yi)生(sheng)評(ping)估(gu)康(kang)複(fu)幹(gan)預(yu)的(di)效(xiao)果(guo),並(bing)優(you)化(hua)康(kang)複(fu)方(fang)案(an)。
四(si)、生(sheng)態(tai)效(xiao)度(duo)高(gao)
由(you)於(yu)能(neng)夠(gou)在(zai)自(zi)然(ran)環(huan)境(jing)中(zhong)使(shi)用(yong),fNIRS的(di)研(yan)究(jiu)結(jie)果(guo)具(ju)有(you)更(geng)高(gao)的(di)生(sheng)態(tai)效(xiao)度(duo)。傳(zhuan)統(tong)的(di)腦(nao)成(cheng)像(xiang)設(she)備(bei)通(tong)常(chang)需(xu)要(yao)受(shou)試(shi)者(zhe)在(zai)嚴(yan)格(ge)的(di)實(shi)驗(yan)室(shi)條(tiao)件(jian)下(xia)保(bao)持(chi)靜(jing)止(zhi),這(zhe)限(xian)製(zhi)了(liao)研(yan)究(jiu)的(di)範(fan)圍(wei)和(hu)深(shen)度(duo)。而(er)fNIRS可(ke)以(yi)在(zai)真(zhen)實(shi)的(di)生(sheng)活(huo)場(chang)景(jing)中(zhong)進(jin)行(hang)測(ce)量(liang),如(ru)在(zai)戶(hu)外(wai)進(jin)行(hang)的(di)體(ti)育(yu)活(huo)動(dong)、社(she)交(jiao)互(hu)動(dong)等(deng),從(zong)而(er)更(geng)準(zhun)確(que)地(de)反(fan)映(ying)大(dai)腦(nao)在(zai)自(zi)然(ran)狀(zhuang)態(tai)下(xia)的(di)活(huo)動(dong)模(mu)式(shi)。這(zhe)種(zhong)高(gao)生(sheng)態(tai)效(xiao)度(duo)使(shi)得(dei)fNIRS在(zai)心(xin)理(li)學(xue)、認(ren)知(zhi)神(shen)經(jing)科(ke)學(xue)、人(ren)因(yin)工(gong)程(cheng)等(deng)領(ling)域(yu)得(dei)到(dao)了(liao)廣(guang)泛(fan)應(ying)用(yong)。
五(wu)、無(wu)創(chuang)、安(an)全(quan)
fNIRS是(shi)一(yi)種(zhong)無(wu)創(chuang)、安(an)全(quan)的(di)腦(nao)成(cheng)像(xiang)技(ji)術(zhu),對(dui)人(ren)體(ti)無(wu)任(ren)何(he)損(sun)害(hai)。它(ta)通(tong)過(guo)近(jin)紅(hong)外(wai)光(guang)探(tan)測(ce)大(dai)腦(nao)組(zu)織(zhi)內(nei)的(di)血(xue)紅(hong)蛋(dan)白(bai)濃(nong)度(duo)變(bian)化(hua),無(wu)需(xu)使(shi)用(yong)放(fang)射(she)性(xing)物(wu)質(zhi)或(huo)注(zhu)射(she)對(dui)比(bi)劑(ji)。這(zhe)種(zhong)無(wu)創(chuang)性(xing)使(shi)得(dei)fNIRS特(te)別(bie)適(kuo)合(ge)於(yu)對(dui)兒(er)童(tong)、老(lao)年(nian)人(ren)以(yi)及(ji)特(te)殊(shu)人(ren)群(qun)(如(ru)精(jing)神(shen)疾(ji)病(bing)患(huan)者(zhe))進(jin)行(hang)研(yan)究(jiu)和(hu)臨(lin)床(chuang)檢(jian)測(ce)。
近(jin)紅(hong)外(wai)腦(nao)成(cheng)像(xiang)儀(yi)在(zai)動(dong)態(tai)環(huan)境(jing)中(zhong)的(di)優(you)勢(shi)使(shi)其(qi)成(cheng)為(wei)腦(nao)科(ke)學(xue)研(yan)究(jiu)和(hu)臨(lin)床(chuang)應(ying)用(yong)中(zhong)的(di)重(chong)要(yao)工(gong)具(ju)。它(ta)不(bu)僅(jin)能(neng)夠(gou)實(shi)時(shi)監(jian)測(ce)大(dai)腦(nao)活(huo)動(dong),還(huan)能(neng)在(zai)自(zi)然(ran)環(huan)境(jing)中(zhong)進(jin)行(hang)測(ce)量(liang),為(wei)研(yan)究(jiu)人(ren)類(lei)大(dai)腦(nao)在(zai)真(zhen)實(shi)場(chang)景(jing)中(zhong)的(di)功(gong)能(neng)提(ti)供(gong)了(liao)可(ke)能(neng)性(xing)。