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Article Dans Une Revue Journal of Memory and Language Année : 2011

Conscious intention to speak proactively facilitates lexical access during overt object naming

Résumé

The present study explored when and how the top-down intention to speak influences the language production process. We did so by comparing the brain's electrical response for a variable known to affect lexical access, namely word frequency, during overt object naming and non-verbal object categorization. We found that during naming, the event-related brain potentials elicited for objects with low frequency names started to diverge from those with high frequency names as early as 152 ms after stimulus onset, while during non-verbal categorization the same frequency comparison appeared 200 ms later eliciting a qualitatively different brain response. Thus, only when participants had the conscious intention to name an object the brain rapidly engaged in lexical access. The data offer evidence that top-down intention to speak proactively facilitates the activation of words related to perceived objects.
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Dates et versions

hal-02096508 , version 1 (11-04-2019)

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Kristof Strijkers, Phillip J Holcomb, Albert Costa. Conscious intention to speak proactively facilitates lexical access during overt object naming. Journal of Memory and Language, 2011, 65 (4), pp.345-362. ⟨10.1016/j.jml.2011.06.002⟩. ⟨hal-02096508⟩

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