編者按:孤獨(dú)癥譜系障礙(autism spectrum disorder, ASD)是一種高度異質(zhì)性的神經(jīng)發(fā)育障礙, 盡管過去數(shù)十年間研究取得了重要進(jìn)展, 但其病因?qū)W機(jī)制和臨床診療策略仍存在諸多待解決的問題。本刊特邀翁旭初教授研究團(tuán)隊(duì)基于多科學(xué)視角, 從腦科學(xué)到臨床篩查和診療, 聚焦ASD的神經(jīng)心理機(jī)制進(jìn)行探討, 并撰著成篇。首先在神經(jīng)多樣性(Neurodiversity)的背景下探討ASD的社交困難, 可能不僅僅是單向的“社會(huì)功能缺陷”, 而應(yīng)考慮社交互動(dòng)中雙向動(dòng)態(tài)的復(fù)雜性。進(jìn)而結(jié)合多模態(tài)磁共振技術(shù), 揭示ASD的腦影像模式識(shí)別, 并從小腦發(fā)育異常和大腦活動(dòng)中的基因表達(dá)探討ASD的潛在神經(jīng)機(jī)制;再圍繞ASD在面部表情的非典型特征及其在早期篩查中的應(yīng)用、重復(fù)經(jīng)顱磁刺激的精準(zhǔn)干預(yù)和炎癥性腸病與ASD的關(guān)聯(lián)和生物學(xué)基礎(chǔ)等角度, 探討臨床診療的方向。以期突破單一學(xué)科視角的局限性, 從多學(xué)科的角度對(duì)ASD的神經(jīng)心理機(jī)制進(jìn)行多維的探索, 為臨床精準(zhǔn)干預(yù)、政策制定及社會(huì)支持提供實(shí)證依據(jù)。
摘 "要""在傳統(tǒng)的生物醫(yī)學(xué)模型的引領(lǐng)下, 多數(shù)將孤獨(dú)癥社交溝通問題歸咎于其自身的不足, 而雙重共情問題(double empathy problem)是以社會(huì)溝通本質(zhì)的雙向性為基點(diǎn), 認(rèn)為孤獨(dú)癥難以融入社會(huì)環(huán)境不僅由于其自身無法理解典型發(fā)展人群, 典型發(fā)展人群亦難以理解孤獨(dú)癥, 由于雙方之間感知和理解的不匹配, 信息的雙向脫節(jié), 從而導(dǎo)致雙方的互動(dòng)困難。一系列相關(guān)研究證實(shí)雙重共情問題的存在, 其內(nèi)部機(jī)制包括行為表達(dá)方式的不同和污名化現(xiàn)象, 可通過共同閱讀模式、同伴支持和人際同步性方式進(jìn)行干預(yù)。未來研究需關(guān)注更多年齡層面的孤獨(dú)癥間社交溝通情況, 研究評(píng)估需考慮孤獨(dú)癥特殊的共情表達(dá), 深入研究雙方互動(dòng)過程, 并鼓勵(lì)擴(kuò)展更多有效的干預(yù)方法。
關(guān)鍵詞""雙重共情問題, 孤獨(dú)癥, 社交溝通
分類號(hào)""R395
1""背景
孤獨(dú)癥, 即孤獨(dú)癥譜系障礙(Autism Spectrum Disorder, ASD)雖然歸屬為一類神經(jīng)發(fā)育性疾病, 但其診斷卻是依據(jù)于行為特征的觀察。其中存在兩大核心癥狀, 即社會(huì)溝通障礙和狹隘的興趣、刻板性或重復(fù)性動(dòng)作。人類的社會(huì)屬性決定了個(gè)
體無法完全脫離社會(huì)環(huán)境進(jìn)行學(xué)習(xí)和生活, 因此研究者對(duì)ASD的社交溝通能力給予了更多的關(guān)注。自上個(gè)世紀(jì)40年代將ASD確定為一類疾病, 其研究框架基本是以缺陷的生物醫(yī)學(xué)模型為主導(dǎo)(Wright et al., 2014)。在此框架之下孕育出多種解釋ASD社交溝通問題的理論, 比如破鏡理論(the broken mirror theory) (Rizzolatti amp; Craighero, 2004)、極端化男性大腦(extreme male brain) (Baron-Cohen"et al., 2011)、心理盲(mindblindness) (Baron-Cohen, 1997)等, 均揭示了ASD個(gè)體對(duì)他人處境的理解和感同身受能力受損, 即共情(Empathy)能力受損, 表現(xiàn)為其對(duì)社會(huì)理解的偏差, 以及對(duì)他人的情緒缺乏恰當(dāng)反應(yīng), 如對(duì)他人情緒表達(dá)的識(shí)別困難(Fridenson-Hayo et al., 2016; Griffiths et al., 2019; Loth et al., 2018; Warrier et al., 2018), 尤其是憤怒、恐懼和驚訝等表情(Lozier et al., 2014), 容易忽略他人消極狀態(tài), 而更專注于玩具中(Sigman et"al., 1992)。既往研究強(qiáng)調(diào), ASD在多個(gè)社會(huì)認(rèn)知指標(biāo)上的表現(xiàn)比典型發(fā)展者(typically developing, TD)更差, 這些社會(huì)認(rèn)知差異也正是ASD個(gè)體與他人互動(dòng)困難的基礎(chǔ)(Morrison et al., 2019)。然而Milton (2012)則認(rèn)為傳統(tǒng)的生物醫(yī)學(xué)模式忽略了社會(huì)溝通本質(zhì)的雙向?qū)傩裕?因此不應(yīng)將社會(huì)溝通障礙責(zé)任均歸咎于ASD個(gè)體, 而應(yīng)基于社會(huì)互動(dòng)的本質(zhì)上來看待ASD和TD之間的雙重共情問題(double empathy problem), 即ASD個(gè)體之所以難以融入社會(huì)環(huán)境, 不僅緣于其無法理解他人, 也由于TD個(gè)體亦無法理解ASD個(gè)體, 雙方存在感知和理解的失匹配, 從而導(dǎo)致了雙方互動(dòng)困難和信息的雙向脫節(jié)(Milton, 2012)。
2""雙重共情問題的相關(guān)研究
自從Milton提出雙重共情問題的理論假說(Milton, 2012), 研究者逐漸開展了針對(duì)TD群體和ASD群體間社交信號(hào)的理解以及兩類群體實(shí)際互動(dòng)情況的相關(guān)研究, 進(jìn)一步支持了雙重共情問題的觀點(diǎn), 包括ASD與TD之間的互動(dòng)困難以及兩者間的社交溝通特點(diǎn)(Crompton amp; Sharp, et"al., 2020)。
既往關(guān)于ASD群體社交互動(dòng)困難原因的研究多歸因于ASD自身所存在的不足, 認(rèn)為他們?nèi)狈忉尰蚶斫馑诵睦頎顟B(tài)的能力。然而隨著研究的深入, 發(fā)現(xiàn)TD在理解ASD的心理狀態(tài)方面同樣存在能力不足的可能(Edey et al., 2016)。如Edey等人采用變式動(dòng)畫三角形實(shí)驗(yàn)范式(Heider amp; Simmel, 1944), 通過記錄參與者擺放幾何圖形傳達(dá)4類復(fù)雜情感, 發(fā)現(xiàn)TD被試難以理解ASD被試擺放的情感類型(Edey et al., 2016); Brewer等人采用面部表情識(shí)別范式, 發(fā)現(xiàn)TD在理解ASD的面部表情方面也存在困難, 指出了ASD面部表情的非特異性傳達(dá)(Brewer et al., 2016); Sheppard等人通過呈現(xiàn)給TD受測(cè)者4種場(chǎng)景下不同被試(ASD或TD)的自然反應(yīng)情況, 發(fā)現(xiàn)ASD被試對(duì)事件的反應(yīng)與TD被試有差異, TD難以知曉ASD的想法(Sheppard et al., 2016)。TD不僅難以從ASD外部表現(xiàn)來推測(cè)其心理狀態(tài), 還對(duì)其角色定位上也存在偏差, 如TD會(huì)夸大ASD家庭成員的自我中心(Heasman amp; Gillespie, 2018), 高估自己對(duì)ASD提供的幫助(Brett amp; Alex, 2019), 并會(huì)更快速形成對(duì)ASD個(gè)體的偏見(Sasson et al., 2017), 與ASD互動(dòng)意愿低(Sasson et al., 2017)。此一結(jié)果會(huì)成為ASD與TD相處間的阻礙, 降低ASD參與TD社交學(xué)習(xí)的可能性。
另一方面, 相關(guān)研究基于多維的研究方法或新興的實(shí)驗(yàn)范式, 客觀描述或記錄了關(guān)于ASD與TD群體之間的社交溝通狀況, 亦為雙重共情問題提供了強(qiáng)有力的證據(jù)。Crompton等人通過對(duì)12名ASD成人進(jìn)行半結(jié)構(gòu)訪談, 了解到當(dāng)與同為ASD的成人相處時(shí), 他們會(huì)體驗(yàn)到舒適和愉快, 獲得更多的理解, 被迫適應(yīng)TD社會(huì)規(guī)范的壓力感降低, 在其他ASD個(gè)體身上找到了自己(Crompton amp; Hallett, et al., 2020)。正如ASD的自傳體中描述的那樣“感覺與外星人度過一生之后, 我遇到了一個(gè)和我來自同一個(gè)星球的人(Sinclair, 2010)”。Dugdale等人對(duì)具有特殊角色身份的ASD母親通過現(xiàn)象學(xué)分析(Larkin et al., 2006) (Interpretative Phenomenological Analysis, IPA)訪談?dòng)涗洠?發(fā)現(xiàn)當(dāng)ASD成為母親后, 對(duì)同為ASD的孩子會(huì)有更多的理解, 感受到與之強(qiáng)烈的聯(lián)系和親密感(Dugdale et al., 2021)。Sasson等通過比較當(dāng)ASD的診斷信息被隱藏、準(zhǔn)確標(biāo)記或錯(cuò)誤標(biāo)記的情況下, TD觀察者對(duì)其的第一印象, 結(jié)果顯示當(dāng)ASD個(gè)體的診斷信息被準(zhǔn)確標(biāo)記時(shí), TD觀察者的第一印象會(huì)更為積極。而更多地了解ASD相關(guān)的知識(shí), 可以使得同伴對(duì)ASD的印象向積極方向轉(zhuǎn)變。提示長(zhǎng)期與ASD互動(dòng)的家人和照料者, 可以更好地理解ASD的行為和意圖, 對(duì)ASD的評(píng)價(jià)也更高(Sasson amp; Morrison, 2019)。按照以上幾項(xiàng)定性研究結(jié)果, 似乎以往發(fā)現(xiàn)ASD表現(xiàn)出對(duì)他人心理狀態(tài)理解障礙可能僅適用于理解TD的心理狀態(tài)(Crompton amp; Ropar, et al., 2020)。隨后研究者將此設(shè)想落實(shí)到定量研究中, Crompton等人通過構(gòu)建新型信息傳送鏈, 發(fā)現(xiàn)混合鏈(TD-ASD組)的信息傳輸效果以及互動(dòng)愉快度都弱于同組鏈(ASD-ASD組或TD-TD組), 而同組鏈之間并無差異, 說明ASD與ASD之間同樣可以達(dá)到TD間社交信息分享和愉快體驗(yàn)(Crompton amp; Ropar, et al., 2020)。不僅如此, Crompton等人通過進(jìn)一步構(gòu)建更為自然的當(dāng)二元合作任務(wù)中, 發(fā)現(xiàn)ASD與TD在與不同神經(jīng)類型的人互動(dòng)時(shí)都會(huì)經(jīng)歷較低的融洽關(guān)系(Crompton amp; Sharp, et al., 2020); Senande等人在觀察真實(shí)的非結(jié)構(gòu)性二元對(duì)話中, 發(fā)現(xiàn)ASD也表示傾向于對(duì)其他ASD產(chǎn)生偏好, 也會(huì)向其袒露更多自我信息(Morrison et al., 2020)。Heasman等通過記錄30名ASD成人在視頻游戲中的互動(dòng)情況, 揭示了ASD同組互動(dòng)的特異性, 顯示雙方可以彼此理解, 互相協(xié)調(diào), 具備建立融洽關(guān)系的潛力(Heasman amp; Gillespie, 2019)。除這些短暫的實(shí)驗(yàn)室測(cè)量以外, Senande等還繼續(xù)在ASD和TD青少年中開展5個(gè)月自然同伴互動(dòng)的觀察研究, 發(fā)現(xiàn)除了個(gè)體傾向與同種神經(jīng)型互動(dòng)以外, 這種偏好還可能隨著時(shí)間的推移而增加, 并且同組互動(dòng)更多是分享思想和經(jīng)驗(yàn)而不是跨組表現(xiàn)出的請(qǐng)求幫助等互惠現(xiàn)象(Chen et al., 2021)。而在早期撫育ASD幼兒中, 研究者發(fā)現(xiàn)當(dāng)提高父母對(duì)ASD特殊信號(hào)的敏感性, 增加父母與幼兒的二元同步性互動(dòng), 有利于改善雙方的溝通, 提示非ASD個(gè)體采用與ASD較為匹配的行為方式與之互動(dòng)時(shí), 溝通過程也更為順暢(Green, 2022)。綜合以上說明通常認(rèn)為ASD存在社交互動(dòng)障礙可能至少部分原因可以歸因于神經(jīng)類型的不匹配, ASD的社交困難可能本質(zhì)上是關(guān)系性的, 而不是生物醫(yī)學(xué)模型所假設(shè)的個(gè)人缺陷(Gernsbacher amp; Yergeau, 2019)。
3""雙重共情問題的內(nèi)在機(jī)制
那么兩類群體之間會(huì)存在雙重共情問題的原因是什么呢?首先, 不可否認(rèn)ASD與TD兩類群體間存在差異, 比如不同的行為表達(dá)方式。已有研究證實(shí)ASD兒童與TD兒童以不同的活力形式(vitality form)方式傳達(dá)自己的意思, Casartelli等人通過拍攝兒童不同活力形式的視頻片段(如溫柔或粗魯放置物品), 發(fā)現(xiàn)ASD和TD兒童在執(zhí)行動(dòng)作時(shí)都可以區(qū)分活力形式, 但ASD兒童卻以不同的運(yùn)動(dòng)方式表達(dá)。TD被試在判斷ASD兒童的活力形式時(shí)準(zhǔn)確性明顯下降, 而可以正確判斷TD兒童的活力形式(Casartelli et al., 2020), 這可能是由于TD被試無法將ASD兒童的行動(dòng)運(yùn)動(dòng)學(xué)匹配到自身相應(yīng)的內(nèi)部模型上。由于個(gè)體的行為范式對(duì)于理解他人以及被他人理解都很重要, 活力形式的表達(dá)可以體現(xiàn)在每一次社交互動(dòng)中(Rochat, 2009), 而ASD群體和TD群體之間活力形式間的差異會(huì)阻礙他們之間的相互理解, ASD可能會(huì)面臨多重困境, 一開始在理解他人心理狀態(tài)處于劣勢(shì), 后會(huì)由于他們的心理狀態(tài)被他人誤解而陷入社交溝通障礙(Slaughter amp; de Rosnay, 2016)。此外, Stevanovic等也發(fā)現(xiàn)ASD-ASD和TD-TD二人對(duì)之間存在生理相似性, 這兩種神經(jīng)類型均需要在社交交流中占據(jù)主導(dǎo)地位才能體驗(yàn)自主神經(jīng)系統(tǒng)的“平靜”; 而在ASD-TD的跨神經(jīng)型二元對(duì)中, 可能是由于TD提供了更為廣泛的情感相關(guān)信息, 導(dǎo)致“社會(huì)情感溢出”, 從而使得ASD的情感共情過度喚醒(Stevanovic et al., 2019),"以上支持了跨神經(jīng)差異社會(huì)化理論(the theory of cross-neurotype differential socialization) (Milton et al., 2023)。從腦機(jī)制層面, ASD和TD之間的腦間神經(jīng)同步性可能是揭示雙重共情的關(guān)鍵, 但相關(guān)研究尚少, Wang等通過探究ASD兒童和父母在人際協(xié)調(diào)任務(wù)中腦間耦合程度, 發(fā)現(xiàn)與單獨(dú)行為/非交互行為任務(wù)相比, ASD兒童與父母間完成協(xié)調(diào)互動(dòng)的任務(wù)過程中, 促進(jìn)了ASD兒童額葉皮層的神經(jīng)同步化, 并且在合作任務(wù)的協(xié)調(diào)過程中, ASD兒童的癥狀特征越明顯, 其合作行為任務(wù)完成越差, 與父母的神經(jīng)同步減少, 即個(gè)體間神經(jīng)同步性會(huì)受到ASD癥狀的影響(Wang et al., 2020)。以上研究提示傳統(tǒng)醫(yī)學(xué)模式所認(rèn)為的ASD和TD存在質(zhì)的差異具有其合理性, 而ASD和TD相似的內(nèi)部模型則有利于雙方的互動(dòng)。然而我們思考的是, 從個(gè)體差異/神經(jīng)多樣性的角度出發(fā), 行為表達(dá)的差異可能并非特異于ASD群體的, 但是探討ASD與TD互動(dòng)過程近些年開始研究, 尚未有文獻(xiàn)探究ASD與其他神經(jīng)發(fā)育障礙個(gè)體的互動(dòng)過程, 未來研究可進(jìn)一步探究其他神經(jīng)多樣性個(gè)體的互動(dòng)性以更深入的揭示雙重共情問題的可能機(jī)制。
其次還需要考慮其他因素的干擾作用。比如污名化(stigma)現(xiàn)象的影響。污名化意指對(duì)處于公眾認(rèn)為的“正常”范圍之外、不受歡迎的部分群體或個(gè)體進(jìn)行詆毀(Milton, 2012), 其發(fā)生是由偏見、刻板印象和歧視的綜合反映所導(dǎo)致的(劉穎, 時(shí)勘, 2010)。公眾由于對(duì)此群體了解不深入, 對(duì)這一群體貼上“危險(xiǎn)”"“不合群”"“弱智”等負(fù)性標(biāo)簽, 使得ASD在求學(xué)、就業(yè)、出行等方面造成了阻礙(蘭繼軍, 白永玲, 2020)。按照社會(huì)認(rèn)同觀點(diǎn), 群體間行為是基于感知到的群體狀態(tài)差異(Tajfel et"al., 1979)。當(dāng)ASD被TD視為與之不同的群體, TD可能不太有動(dòng)力與ASD進(jìn)行積極的互動(dòng), 也不會(huì)形成高評(píng)價(jià)的融洽關(guān)系(Crompton amp; Sharp, et al., 2020)。Sasson等人發(fā)現(xiàn)TD傾向于對(duì)ASD形成快速的不利判斷, 即負(fù)面的第一印象(Sasson et al., 2017)。研究中即使TD不知道ASD的診斷結(jié)果, 在對(duì)圖片或視頻進(jìn)行評(píng)價(jià)時(shí), ASD更容易被評(píng)為吸引力不夠, 低喜愛度, TD想與之社交互動(dòng)的意愿程度低(Sasson et al., 2017)。且污名化過程中, 個(gè)體感知來自社會(huì)的隔離和疏遠(yuǎn)后可能轉(zhuǎn)化為自我污名, 產(chǎn)生病恥感, ASD為了融入他人, 適應(yīng)常態(tài)化社交環(huán)境, 發(fā)展出偽裝行為(camouflage), 然而結(jié)果是進(jìn)一步加深“真實(shí)自我不被接受”的消極想法(Hull et al., 2017), 偽裝和掩飾也常充滿壓力甚至令人耗竭, 損害ASD個(gè)體的社會(huì)歸屬感, 不利于ASD的心理健康(Cassidy amp; Rodgers, 2017; 楊柳, 劉力, 2008)。這些對(duì)ASD不利的污名化觀點(diǎn)和社會(huì)排擠會(huì)進(jìn)一步擴(kuò)大ASD與TD的隔閡, 出現(xiàn)雙重共情問題所報(bào)告的社交互動(dòng)困境(Pearson amp;"Rose, 2021)。
4""相應(yīng)的干預(yù)方法
在傳統(tǒng)的缺陷醫(yī)學(xué)模型引導(dǎo)下, 相應(yīng)的干預(yù)方式通常是試圖改變ASD與TD存在差異的社會(huì)認(rèn)知處理方式(Pearson amp; Rose, 2021), 通過以社交技能和社會(huì)認(rèn)知訓(xùn)練治療, 從而使得ASD個(gè)體的行為方式更接近TD的行為規(guī)范(Waltz, 2013)。然而這些干預(yù)措施并沒有為ASD個(gè)體帶來持久的益處(Bottema-Beutel et al., 2018), 并且可能無意中鼓勵(lì)A(yù)SD個(gè)體進(jìn)行“偽裝” (Pearson amp; Rose, 2021), 增添被迫改變自身的壓力感(Waltz, 2013), 加深內(nèi)化的病恥感(Monique amp; David, 2020), 提高焦慮水平(Hull et al., 2021)。鑒于以往基于缺陷性的生物醫(yī)學(xué)模型干預(yù)方式對(duì)ASD提升社交互動(dòng)效果較低, 并有可能損害ASD個(gè)體的心理健康,"因此迫切需要考慮其他有效的干預(yù)方式。以下是總結(jié)近些年研究者嘗試或鼓勵(lì)的兩種干預(yù)模式。
4.1""共同閱讀模式
通過對(duì)小說的共同閱讀, 基于文學(xué)作品所營(yíng)造的情感氛圍, 可有效促進(jìn)不同個(gè)體對(duì)文學(xué)作品的共同思考, 可以進(jìn)一步了解不同的思維方式, 有助于探索個(gè)體差異(Longden et al., 2015)。Chapple等(2021)采用縱向定性研究設(shè)計(jì), 探究共同的閱讀經(jīng)歷是否會(huì)促進(jìn)ASD成人與TD成人之間的雙重共情理解。研究共納入4名ASD成人和4名TD成人, 男女各半, 選取John Steinbeck的中篇小說《人鼠之間》(Of Mice and Men, 1937)作為共同閱讀的書目。按每天閱讀一個(gè)章節(jié)共6天單獨(dú)閱讀書籍, 每次閱讀完后需要完成一個(gè)結(jié)構(gòu)性的問答, 在第7天時(shí)完成3個(gè)寫作任務(wù)。這些紙筆記錄可以促進(jìn)他們對(duì)小說的反思。隨后ASD被試與TD被試兩兩組合進(jìn)行討論, 共持續(xù)4周, 每周1小時(shí)。最后通過結(jié)合組隊(duì)討論的錄音以及結(jié)束后的談?wù)動(dòng)涗涍M(jìn)行反饋, 結(jié)果顯示被試均報(bào)告對(duì)彼此產(chǎn)生新的個(gè)性化看法, 如TD被試報(bào)告增加對(duì)ASD敏感性的了解, ASD被試也報(bào)告克服原先對(duì)TD存在刻板印象的擔(dān)憂, 感受到來自TD的包容和重視。
4.2""同伴支持
既往開展過以學(xué)校環(huán)境為基礎(chǔ)的同伴支持, 包括邀請(qǐng)TD學(xué)齡兒童作為榜樣以增加ASD同伴的社交溝通技巧(McCurdy amp; Cole, 2014), 這種方式一方面有利于ASD兒童與TD兒童建立關(guān)系, 另一方面有助于彌補(bǔ)TD兒童對(duì)ASD兒童認(rèn)識(shí)的不足(Milton, 2012)。然而, 同伴支持的核心應(yīng)是共享經(jīng)驗(yàn)或體驗(yàn)共性, ASD間的同伴支持可以為ASD學(xué)生提供相互交流的空間, 而無需掩蓋其自然行為。可以自在地在互動(dòng)中展示自我也是ASD個(gè)體更在乎的一點(diǎn)(Bernardin et al., 2021), 因此同為ASD的同伴支持比其他人的支持更可取(Hodge et al., 2022)。由于ASD學(xué)生可能在主流學(xué)校經(jīng)歷邊緣化, 而積極的人際互動(dòng)和接納的社會(huì)環(huán)境對(duì)發(fā)展自我理解至關(guān)重要(Williams et al., 2019), 此時(shí)學(xué)校構(gòu)建ASD學(xué)生與其他ASD積極互動(dòng)的框架更有助于培養(yǎng)其積極的自我意識(shí), 獲得更多的歸屬感, 也有利于減少自殺傾向(Cassidy et al., 2018)。故無論是學(xué)校或是社區(qū)鼓勵(lì)A(yù)SD相互支持的關(guān)系不失為提升心理健康的好方法, 反過來又可能改善與TD之間的互動(dòng)(Crompton amp; Sharp, et al., 2020)。
4.3""人際同步干預(yù)
人際同步(Interpersonal synchrony)表現(xiàn)為社交互動(dòng)過程中, 個(gè)體會(huì)自發(fā)做出與他人相協(xié)調(diào)的動(dòng)作, 如模仿表情和姿勢(shì)(Richardson et al., 2007)。人際同步會(huì)拉進(jìn)雙方距離, 提升親密感, 增加共情(Bloch et al., 2019)。而研究發(fā)現(xiàn)ASD模仿和同步程度低于TD, 例如ASD兒童在搖椅上的動(dòng)作與父母的同步動(dòng)作較低, 往往表現(xiàn)為自發(fā)活動(dòng)(Fitzpatrick et al., 2016)。因此, 許多研究者將人際同步的理念應(yīng)用到ASD社交技能干預(yù)中。Koehne等人對(duì)55名高功能ASD成人開展為期10周, 圍繞人際動(dòng)作模仿和同步為重點(diǎn)的舞蹈/運(yùn)動(dòng)干預(yù)(imitation- and synchronization-based dance/movement"intervention (SI-DMI)), 治療師通過對(duì)ASD動(dòng)作的質(zhì)量或其他形式的鏡像反應(yīng), 由此建立雙方關(guān)系并增進(jìn)情感聯(lián)系, 結(jié)果發(fā)現(xiàn)可提升ASD成人的共情能力(Koehne et al., 2016)。Green等人使用兒童孤獨(dú)癥溝通療法(the Paediatric Autism Communication"Therapy, PACT), 不注重改變ASD幼兒非典型行為, 意在幫助父母理解ASD幼兒的溝通方式和意圖的特殊性, 增加幼兒被理解和回應(yīng)的體驗(yàn), 提高照料者與幼兒的互動(dòng)同步性, 進(jìn)而提升ASD的社交溝通能力(Green, 2022)。
5""總結(jié)與展望
綜上所述, 目前關(guān)于ASD社交溝通問題的研究趨勢(shì)開始轉(zhuǎn)換新的思考方向, 并非將研究焦點(diǎn)只集中于ASD本身癥狀所帶來的各種缺陷, 而是回歸社交互動(dòng)的本質(zhì), 使用雙重共情問題來重新衡量ASD的社交互動(dòng)情況。多項(xiàng)研究證實(shí)神經(jīng)類型的匹配的確會(huì)影響雙方互動(dòng)的感受和交往意愿, 從而也鼓勵(lì)采用新型的干預(yù)模式提升ASD的社交互動(dòng)。
現(xiàn)有研究中, 還有以下幾點(diǎn)不足, 可作為未來開展研究的方向。
就雙重共情問題是否存在以及其影響性還無法下定論, 由于目前有關(guān)該理論的研究所納入的對(duì)象尚不足以代表大多數(shù), 基本都是單一集中在青少年或成人群體, 且樣本量有限。對(duì)于社交互動(dòng)發(fā)展不可忽視的兒童期, 以及每個(gè)年齡階段之間兩個(gè)群體的社交互動(dòng)差異都尚未進(jìn)行研究。既往研究發(fā)現(xiàn), ASD個(gè)體會(huì)顯示出不同的發(fā)育軌跡。TD個(gè)體從兒童期到成年早期的社交溝通能力發(fā)展隨著年齡的增長(zhǎng)而提升, 但ASD個(gè)體卻表現(xiàn)為隨著年齡的增長(zhǎng)而下降(Zahid amp; Upthegrove, 2017)。在解讀三角形行為任務(wù)上, ASD兒童表現(xiàn)出隨著年齡的增長(zhǎng)與TD兒童之間的差距越來越大, 因?yàn)門D兒童隨著時(shí)間進(jìn)程推進(jìn), 能力發(fā)展速度大于ASD兒童(Bal et al., 2013)。當(dāng)進(jìn)入青春期這個(gè)獨(dú)特發(fā)展階段時(shí), ASD青少年又面臨著比TD青少年更多的挑戰(zhàn), 承受更多邊緣化壓力、負(fù)面社會(huì)評(píng)價(jià), 抑郁焦慮等心理健康問題發(fā)生率更高(Camm-Crosbie et al., 2019; Maddox et al., 2017), 破壞成年期的發(fā)展(Bal et al., 2015)。與TD成人相比, ASD成人更少參與就業(yè)環(huán)境或社交活動(dòng)中, 逐漸與社會(huì)脫節(jié)(Shattuck et al., 2012)。研究發(fā)現(xiàn)ASD從青春期到成年期間對(duì)情緒面部的感知變得更加受損(Stanti? et al., 2022)。因此, 未來研究中可以擴(kuò)充更多的群體, 涵蓋各個(gè)年齡段, 探究相互之間的異同點(diǎn), 形成有關(guān)兩個(gè)群體間社交互動(dòng)發(fā)展軌跡, 進(jìn)而探究雙重共情對(duì)ASD整個(gè)發(fā)展過程中的影響是一致的, 還是會(huì)隨著個(gè)人的發(fā)展成熟而有不同的變化影響, 也更有助于深入理解雙重共情問題發(fā)生的原因, 也可以進(jìn)一步指導(dǎo)階段性干預(yù)雙重共情問題產(chǎn)生的溝通阻礙。
由于不同群體之間信息雙向流通受阻, TD有可能難以理解ASD的表達(dá), 以致出現(xiàn)ASD共情能力被低估。因此未來研究需要考慮ASD獨(dú)特的共情表達(dá)和反應(yīng)風(fēng)格, 比如ASD個(gè)體可能會(huì)采取問題解決來表達(dá)共情, 而不是關(guān)注情緒(Rieffe et"al., 2021), 或是選擇安靜陪伴并傾聽他人來表達(dá)自己的關(guān)心和支持等等(Crompton amp; Hallett, et"al., 2020), 在研究過程中可以借助訪談ASD、邀請(qǐng)熟悉ASD的實(shí)驗(yàn)研究員或家屬, 納入多個(gè)視角, 多方了解ASD的真實(shí)意圖, 而不僅僅只是將TD行為表現(xiàn)風(fēng)格設(shè)定為唯一標(biāo)準(zhǔn)。此外, 就針對(duì)TD一方面而言, 目前研究?jī)H關(guān)注于TD難以理解ASD傳達(dá)的社交信號(hào), 只有結(jié)果性指標(biāo), 例如無法識(shí)別面部表情(Brewer et al., 2016)和行為方式(Sheppard et al., 2016)等, 而忽略了探索TD對(duì)ASD所傳達(dá)信號(hào)理解中的過程性特點(diǎn)。例如既往發(fā)現(xiàn)ASD對(duì)TD所傳達(dá)的信號(hào)表現(xiàn)出異常的視覺檢索特點(diǎn), 包括回避注視眼睛(Tanaka amp; Sung, 2016)和更多關(guān)注嘴巴信息(Klin et al., 2002)等, 那TD個(gè)體對(duì)ASD個(gè)體所傳達(dá)的信號(hào)是否也可能表現(xiàn)出相似的異常視覺檢索特點(diǎn); 亦或者是在相同的神經(jīng)多樣性個(gè)體之間, 他們是否會(huì)存在類似或不同的加工過程特點(diǎn)?回答這些問題, 有助于進(jìn)一步揭示雙重共情問題的內(nèi)在機(jī)制。為了更加客觀評(píng)估理解社交信號(hào)的過程特點(diǎn), 未來研究中需要構(gòu)建標(biāo)準(zhǔn)化的ASD情緒面孔圖片或是動(dòng)態(tài)情緒視頻材料, 使用眼動(dòng)追蹤儀器或功能性近紅外光譜技術(shù)等采集注視過程的客觀數(shù)據(jù), 也可結(jié)合使用腦成像的超掃描(hyper-scanning)技術(shù), 實(shí)現(xiàn)同時(shí)探測(cè)到兩個(gè)或兩個(gè)以上的成員的相互作用在日常社會(huì)交往中的腦激活情況, 進(jìn)而分析兩個(gè)個(gè)體間神經(jīng)耦合的現(xiàn)象, 即腦間神經(jīng)同步(interbrain"synchrony, IBS), 從而實(shí)現(xiàn)對(duì)社會(huì)交互進(jìn)行更具有生態(tài)效度的探究(Liu et al., 2019)。
多項(xiàng)有關(guān)ASD與TD社交互動(dòng)體驗(yàn)的研究采取訪談、查閱ASD著作等質(zhì)性研究, 而此類研究均是基于西方文化背景下開展的。不同的文化背景具有不同的社會(huì)規(guī)范, 會(huì)潛移默化影響個(gè)體的心理與行為。西方強(qiáng)調(diào)個(gè)人主義, 更注重自我價(jià)值, 而東方崇尚集體文化, 強(qiáng)調(diào)自我與周圍環(huán)境相互依存, 講究個(gè)體與他人之間的相互協(xié)調(diào)(Theodore, 2000)。那么不同文化背景下不同的神經(jīng)類型間互動(dòng)體驗(yàn)感是否存在不一致?因此, 未來研究需要關(guān)注文化環(huán)境因素的潛在影響, 在不同文化環(huán)境中進(jìn)行重復(fù)研究探討。其次, 基于雙重共情問題背景下倡導(dǎo)的干預(yù)模式目前尚未在中國(guó)開展實(shí)證研究, 關(guān)于共同閱讀模式中書籍材料的選擇、適用年齡段的效果, 同伴支持方式的開展方式、評(píng)估模式等等, 都需要在融合教育、特殊教育學(xué)校或者社區(qū)環(huán)境中進(jìn)行實(shí)踐考量, 提供更多的循證依據(jù), 也進(jìn)一步為ASD創(chuàng)造更好的心理健康干預(yù)環(huán)境。
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A new perspective on social communication in autism: The double empathy problem
CAO Shoujing, WANG Xin
(Research Institute of Brain Science and Rehabilitation Medicine, Key Laboratory of Brain Cognition and Education Science, South China Normal University, Guangdong Provincial Key Laboratory of Mental Health and Cognitive Science,"Guangzhou 510631, China)
Abstract: Under the guidance of traditional"biomedical models, most studies have attributed the social communication deficits in autism to their own social shortcomings. However, the “Double Empathy” problem is rooted in the bidirectional nature of social communication. Autistic individuals face difficulties in integrating into the social environment not only because they themselves struggle to understand typical neurotypical individuals, but also because neurotypical individuals find it challenging to understand autism. Due to a mismatch in perception and understanding between autistic and neurotypical individuals, there is a bidirectional disconnect of information, thereby resulting in difficulties in their interactions. A series of related studies have confirmed the existence of the “Double Empathy” problem, with its internal mechanisms including differences in behavioral expressions and stigmatization. Interventions can be carried out through shared reading patterns, peer support, and interpersonal synchronization methods. Future research should focus on social communication in autistic individuals across different age groups, taking into account the unique expressions of empathy in autism, conducting in-depth studies of the interaction processes between both parties, and encouraging the development of more effective intervention.
Keywords:"the double empathy problem, ASD, social communication