The priming of basic combinatory responses in MEG

Esti Blanco-Elorrieta, Victor S. Ferreira, Paul Del Prato, Liina Pylkkänen

Research output: Contribution to journalArticle

Abstract

Priming has been a powerful tool for the study of human memory and especially the memory representations relevant for language. However, although it is well established that lexical access can be primed, we do not know exactly what types of computations can be primed above the word level. This work took a neurobiological approach and assessed the ways in which the complex representation of a minimal combinatory phrase, such as red boat, can be primed, as evidenced by the spatiotemporal profiles of magnetoencephalography (MEG) signals. Specifically, we built upon recent progress on the neural signatures of phrasal composition and tested whether the brain activities implicated for the basic combination of two words could be primed. In two experiments, MEG was recorded during a picture naming task where the prime trials were designed to replicate previously reported combinatory effects and the target trials to test whether those combinatory effects could be primed. The manipulation of the primes was successful in eliciting larger activity for adjective-noun combinations than single nouns in left anterior temporal and ventromedial prefrontal cortices, replicating prior MEG studies on parallel contrasts. Priming of similarly timed activity was observed during target trials in anterior temporal cortex, but only when the prime and target shared an adjective. No priming in temporal cortex was observed for single word repetition and two control tasks showed that the priming effect was not elicited if the prime pictures were simply viewed but not named. In sum, this work provides evidence that very basic combinatory operations can be primed, with the necessity for some lexical overlap between prime and target suggesting combinatory conceptual, as opposed to syntactic processing. Both our combinatory and priming effects were early, onsetting between 100 and 150 ms after picture onset and thus are likely to reflect the very earliest planning stages of a combinatory message. Thus our findings suggest that at the earliest stages of combinatory planning in production, a combinatory memory representation is formed that affects the planning of a relevantly similar combination on a subsequent trial.

Original languageEnglish (US)
Pages (from-to)49-63
Number of pages15
JournalCognition
Volume170
DOIs
StatePublished - Jan 1 2018

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Magnetoencephalography
Temporal Lobe
planning
Ships
Prefrontal Cortex
Language
manipulation
brain
Brain
Priming
experiment
language
evidence
Planning

Keywords

  • Composition
  • Language production
  • Left anterior temporal lobe
  • Magnetoencephalography
  • Priming
  • Semantics

ASJC Scopus subject areas

  • Language and Linguistics
  • Experimental and Cognitive Psychology
  • Developmental and Educational Psychology
  • Linguistics and Language
  • Cognitive Neuroscience

Cite this

The priming of basic combinatory responses in MEG. / Blanco-Elorrieta, Esti; Ferreira, Victor S.; Del Prato, Paul; Pylkkänen, Liina.

In: Cognition, Vol. 170, 01.01.2018, p. 49-63.

Research output: Contribution to journalArticle

Blanco-Elorrieta, E, Ferreira, VS, Del Prato, P & Pylkkänen, L 2018, 'The priming of basic combinatory responses in MEG', Cognition, vol. 170, pp. 49-63. https://doi.org/10.1016/j.cognition.2017.09.010
Blanco-Elorrieta, Esti ; Ferreira, Victor S. ; Del Prato, Paul ; Pylkkänen, Liina. / The priming of basic combinatory responses in MEG. In: Cognition. 2018 ; Vol. 170. pp. 49-63.
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