Implicit anticipation of probabilistic regularities: Larger CNV emerges for unpredictable events

NEUROPSYCHOLOGIA

卷:156

Article

Kobor, Andrea¹  Kardos, Zsofia^1,2  Horvath, Kata^3,4,5  Janacsek, Karolina^4,5,6  Takacs, Adam⁷  Csepe, Valeria^1,8  Nemeth, Dezso^4,5,9 

[1] Brain Imaging Ctr, Res Ctr Nat Sci, Magyar Tudosok Korutja 2, H-1117 Budapest, Hungary

[2] Budapest Univ Technol & Econ, Dept Cognit Sci, Egry Jozsef Utca 1, H-1111 Budapest, Hungary

[3] Eotvos Lorand Univ, Doctoral Sch Psychol, Izabella Utca 46, H-1064 Budapest, Hungary

[4] Eotvos Lorand Univ, Inst Psychol, Izabella Utca 46, H-1064 Budapest, Hungary

[5] Res Ctr Nat Sci, Inst Cognit Neurosci & Psychol, Brain Memory & Language Res Grp, Magyar Tudosok Korutja 2, H-1117 Budapest, Hungary

[6] Univ Greenwich, Ctr Thinking & Learning, Inst Lifecourse Dev, Sch Human Sci,Fac Educ Hlth & Human Sci,Old Royal, Pk Row,150 Dreadnought, London SE10 9LS, England

[7] Tech Univ Dresden, Fac Med, Dept Child & Adolescent Psychiat, Cognit Neurophysiol, Fetscherstr 74, D-01307 Dresden, Germany

[8] Univ Pannonia, Fac Modern Philol & Social Sci, Egyet Utca 10, H-8200 Veszprem, Hungary

[9] Univ Lyon, Ctr Hosp Le Vinatier, Lyon Neurosci Res Ctr CRNL, Batiment 462,Neurocampus 95 Blvd Pinel, F-69675 Lyon, France

关键词: Anticipation;    Contingent negative variation;    Internal models;    Implicit statistical learning;    Predictive processes;    Transitional probabilities;   

DOI  :  10.1016/j.neuropsychologia.2021.107826

来源: Elsevier

【 摘 要 】

Anticipation of upcoming events plays a crucial role in automatic behaviors. It is, however, still unclear whether the event-related brain potential (ERP) markers of anticipation could track the implicit acquisition of probabilistic regularities that can be considered as building blocks of automatic behaviors. Therefore, in a four-choice reaction time (RT) task performed by young adults (N = 36), the contingent negative variation (CNV) as an ERP marker of anticipation was measured from the onset of a cue stimulus until the presentation of a target stimulus. Due to the probability structure of the task, target stimuli were either predictable or unpredictable, but this was unknown to participants. The cue did not contain predictive information on the upcoming target. Results showed that the CNV amplitude during response preparation was larger before the unpredictable than before the predictable target stimuli. In addition, although RTs increased, the P3 amplitude decreased for the unpredictable as compared with the predictable target stimuli, possibly due to the stronger response preparation that preceded stimulus presentation. These results suggest that enhanced attentional resources are allocated to the implicit anticipation and processing of unpredictable events. This might originate from the formation of internal models on the probabilistic regularities of the stimulus stream, which primarily facilitates the processing of predictable events. Overall, we provide ERP evidence that supports the role of implicit anticipation and predictive processes in the acquisition of probabilistic regularities.

【 授权许可】

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