周曉林教授領導的注意與執行控制實驗室緻力于研究人類大腦信息加工機制,運用巧妙的心理學實驗,并結合先進的認知神經科學技術,與國内外科學家并肩努力,揭示人類信息加工之謎。本實驗室研究領域包括兩大部分,一是人類注意,該研究領域關注的是認知系統對環境中無關信息的抑制和對目标信息的選擇性集中。本實驗室的研究課題涵蓋了人類注意的時間、空間及跨通道分配;視覺、聽覺注意返回抑制機制等。另一研究領域為執行控制,執行控制負責對人類多種信息加工機能進行自上而下的主動控制、協調。本實驗室重點關注執行控制的認知、神經機制,以及特殊人群的執行功能障礙。
研究方法
1)認知行為實驗
2)事件相關電位實驗
3)功能性核磁共振實驗
4)眼球運動追蹤實驗
主要研究方向:
1) 視覺搜索(visual search)
視覺搜索任務要求被試在衆多視覺刺激中搜索目标刺激,是研究注意在空間維度上分配規律的最常用手段。視覺搜索的行為與認識神經研究有助于揭示人類認知系統并行、串行加工機制,并為計算機模拟和人工智能研究提供實驗依據。本實驗室運用視覺搜索實驗範式對知覺負載、多維度信息加工、西蒙效應、老年癡呆患者的視覺搜索能力等課題進行了探讨,取得多項有趣的研究成果。
2) 注意瞬脫(attentional blink)
注意瞬脫指的是在快速系列呈現(rapid serial visual presentation, RSVP)任務中,被試較難正确報告呈現在第一個目标刺激後200~500ms之間出現的第二個目标刺激的現象,這一現象反映了人類注意分配在時間維度上的局限性。自注意瞬脫想象發現之日起,其發生機制一直是學界争論的焦點。本實驗室亦緻力于這一課題的研究,嘗試從全新的角度揭示注意瞬脫的發生機制,并已取得階段性成果。
3) 跨通道認知(cross-modal cognition)
跨通道認知研究關注不同感覺通道信息加工之間的聯結規律。跨通道感覺整合及相應的大腦可塑性是當前跨通道認知神經研究的熱點,此類課題的研究可以幫助人們了解大腦在面對多通道、大跨度信息輸入時的工作機制。本實驗室關注跨通道研究中視覺、聽覺和觸覺等感覺整合的認知神經機制。
4) 返回抑制(inhibition of return)
返回抑制指的是在注意一個刺激後500~3000ms間對相同刺激或相同刺激位置的探測速度和準确率下降的現象,其研究通常使用線索—反應範式(cue-response paradigm)。心理學家認為返回抑制現象反映人類認知系統對新異刺激具有與生俱來的注意偏向。該現象的發現引起學界濃厚的研究興趣,一方面,研究者希望更全面的了解返回抑制,另一方面,返回抑制作為一個十分穩定的注意現象成為研究衆多認知心理學課題的實驗範式。本實驗室對視覺、聽覺注意返回抑制及其在特殊人群上的表現做了深入的研究,成果豐碩。
5) 執行控制(executive function)
執行控制研究關注認知系統如何控制和管理其它認知過程,它是一個涉及認知靈活性、抽象思維、計劃與決策,等等衆多課題的概念。本實驗室重點通過語言加工、工作記憶更新、空間注意等課題對執行功能的認知、神經機制進行研究。
研究隊伍:
博士後:張德玄
博士生:嶽珍珠,魏萍,陳曦
碩士生:位學鑫
本科生:于宏波,龔蘭蘊
已網成員:王勇慧,陳骐,王淩,徐曉坤,羅琳琳,邵麗萍,徐岩
主要研究成果
Zhang, D., Zhou, X., & Martens, S. (2009). The impact of negative attentional set upon target processing in RSVP: An ERP study. Neuropsychologia.
Yue, Z., Bischof, G.-N., Zhou, X., Spence, C., & Röder, B. (2009). Spatial attention affects the processing of tactile and visual stimuli presented at the tip of a tool: an event-related potential study. Experimental Brain Research, 193, 119–128.
Wei, P., Müller, H.J., Pollmann, S., Zhou, X. (2009). Neural basis of interaction between target presence and display homogeneity in visual search: An fMRI study. NeuroImage, 45, 993-1001.
Wei, P., Müller, H., Lü, J., & Zhou, X. (2008). Searching for two feature singletons in the visual scene: The localized attentional interference effect. Experimental Brain Research, 185, 175-188.
Zhou, X., & Chen, Q. (2008). Neural correlates of spatial and non-spatial inhibition of return (IOR) in attentional orienting. Neuropsychologia, 46, 2766-2775.
Ye, Z., & Zhou, X. (2008). Involvement of cognitive control in sentence comprehension: Evidence from ERPs. Brain Research, 1203, 103-115.
Yue, Z., Zhang, M., & Zhou, X. (2008). Updating verbal and visuospatial working memory: Are the processes parallel? Chinese Science Bulletin, 53, 2175-2185.
Cao, Q., Zang, Y., Zhu, C., Cao, X., Sun, L., Zhou, X., & Wang, Y. (2008) Alerting deficits in children with attention deficit/hyperactivity disorder: Event-related fMRI evidence. Brain Research, 1219, 159-168.
Zhang, D., Shao, L., Nieuwenstein, M., & Zhou, X. (2008). Top-down Control is not lost in the attentional blink: Evidence from intact endogenous cuing. Experimental Brain Research, 185, 287-295.
Zhang, D., Shao, L., & Zhou, X. (2007). Opening the attentional window in attentional blink: An attentional cueing study. Progress in Natural Science, 17(13), 39-46.
Chen, Q., Zhang, M., & Zhou, X. (2007). Interaction between Location- and Frequency-based Inhibition of Return (IOR) in Human Auditory System. Experimental Brain Research, 176, 630-640.
Zhang, D., Zhou, X., di Pellegrino, G., & Ladavas, E. (2007). Spatial coding for the Simon effect in visual search. Experimental Brain Research, 176, 616-629.
Wei, P., & Zhou, X. (2006). Processing multidimensional objects under different perceptual loads: The priority of bottom-up perceptual saliency. Brain Research, 1114: 113-124.
Chen, Q., Wei, P., & Zhou, X. (2006). Distinct neural correlates for resolving Stroop conflict at inhibited and non-inhibited locations in inhibition of return (IOR). Journal of Cognitive Neuroscience, 18, 1937-1946.
Zhou, X., Chu, H., Li, X., & Zhan, Y. (2006). Center of mass attracts attention. Neuroreport, 17, 85-88.
Chen, Q., Zhang, M., & Zhou, X. (2006). Effects of spatial distribution of attention during inhibition of return (IOR) on flanker interference in hearing and congenitally deaf people. Brain Research, 1109, 117-127.
Chen, Q., Zhang, M., & Zhou, X. (2006). Spatial and nonspatial peripheral auditory processing in congenitally blind people. Neuroreport, 17, 1449-1452,
Liu, X., Qian, M., Zhou, X., & Wang, A. (2006). Repeating the stimulus exposure to investigate what happens after initial selective attention to threatening pictures. Personality and Individual Differences, 40, 1007-1016.
Hao, J. Li, K., Li, K., Zhang, D., Wang, W., Yang, Y., Yan, B., Shan, B., & Zhou, X. (2005). Visual attention deficits in Alzheimer’s disease: An fMRI study. Neuroscience Letters, 385, 18–23.