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Electrophysiological Evidence for Two Steps in Syntactic Analysis: Early Automatic and Late Controlled Processes.

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Title: Electrophysiological Evidence for Two Steps in Syntactic Analysis: Early Automatic and Late Controlled Processes.
Authors: Hahne, Anja1, Friederici, Angela D.1
Source: Journal of Cognitive Neuroscience. Mar99, Vol. 11 Issue 2, p194-205. 12p. 3 Diagrams, 1 Graph.
Subjects: Comparative semantics, Sentences (Grammar), Evoked potentials (Electrophysiology)
Abstract: In this study we examined the properties of the processes involved in the structural analysis of sentences using eventrelated brain potential measures (ERP). Previous research had shown two ERP components to correlate with phrase structure violations: an early left anterior negativity (ELAN), which is assumed to reflect first-pass parsing processes, and a late parietally distributed positivity (P600), assumed to reflect second-pass parsing processes. We hypothesized that the first-pass parsing processes are highly automatic, whereas second-pass parsing processes are more controlled. To test this hypothesis we varied the proportion of correct sentences and sentences containing phrase structure violations with incorrect sentences being either of a low (20% violation) or a high (80% violation) proportion. Results showed that the early left anterior negativity was elicited and equally pronounced under both proportion conditions. By contrast, the late positivity was elicited for a low proportion of incorrect sentences only.This data pattern suggests that first-pass parsing processes are automatic, whereas second-pass parsing processes are under participants' strategic control. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Cognitive Neuroscience is the property of MIT Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Electrophysiological Evidence for Two Steps in Syntactic Analysis: Early Automatic and Late Controlled Processes.
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Cognitive+Neuroscience%22">Journal of Cognitive Neuroscience</searchLink>. Mar99, Vol. 11 Issue 2, p194-205. 12p. 3 Diagrams, 1 Graph.
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  Data: <searchLink fieldCode="DE" term="%22Comparative+semantics%22">Comparative semantics</searchLink><br /><searchLink fieldCode="DE" term="%22Sentences+%28Grammar%29%22">Sentences (Grammar)</searchLink><br /><searchLink fieldCode="DE" term="%22Evoked+potentials+%28Electrophysiology%29%22">Evoked potentials (Electrophysiology)</searchLink>
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  Data: In this study we examined the properties of the processes involved in the structural analysis of sentences using eventrelated brain potential measures (ERP). Previous research had shown two ERP components to correlate with phrase structure violations: an early left anterior negativity (ELAN), which is assumed to reflect first-pass parsing processes, and a late parietally distributed positivity (P600), assumed to reflect second-pass parsing processes. We hypothesized that the first-pass parsing processes are highly automatic, whereas second-pass parsing processes are more controlled. To test this hypothesis we varied the proportion of correct sentences and sentences containing phrase structure violations with incorrect sentences being either of a low (20% violation) or a high (80% violation) proportion. Results showed that the early left anterior negativity was elicited and equally pronounced under both proportion conditions. By contrast, the late positivity was elicited for a low proportion of incorrect sentences only.This data pattern suggests that first-pass parsing processes are automatic, whereas second-pass parsing processes are under participants' strategic control. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Cognitive Neuroscience is the property of MIT Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1162/089892999563328
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 194
    Subjects:
      – SubjectFull: Comparative semantics
        Type: general
      – SubjectFull: Sentences (Grammar)
        Type: general
      – SubjectFull: Evoked potentials (Electrophysiology)
        Type: general
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      – TitleFull: Electrophysiological Evidence for Two Steps in Syntactic Analysis: Early Automatic and Late Controlled Processes.
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              Text: Mar99
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              Y: 1999
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            – TitleFull: Journal of Cognitive Neuroscience
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