An ERP correlate of metrical stress in spoken word recognition

K.B.E. Böcker, M.C.M. Bastiaansen, J. Vroomen, C.H.M. Brunia, B. de Gelder

Research output: Contribution to journalArticleScientificpeer-review

37 Citations (Scopus)
99 Downloads (Pure)

Abstract

Rhythmic properties of spoken language such as metrical stress, that is, the alternation of strong and weak syllables, are important in speech recognition of stress‐timed languages such as Dutch and English. Nineteen subjects listened passively to or discriminated actively between sequences of bisyllabic Dutch words, which started with either a weak or a strong syllable. Weak‐initial words, which constitute 12% of the Dutch lexicon, evoked more negativity than strong‐initial words in the interval between P2 and N400 components of the auditory event‐related potential. This negativity was denoted as N325. The N325 was larger during stress discrimination than during passive listening. N325 was also larger when a weak‐initial word followed a sequence of strong‐initial words than when it followed words with the same stress pattern. The latter difference was larger for listeners who performed well on stress discrimination. It was concluded that the N325 is probably a manifestation of the extraction of metrical stress from the acoustic signal and its transformation into task requirements.
Original languageEnglish
Pages (from-to)706-720
JournalPsychophysiology
Volume36
Issue number6
DOIs
Publication statusPublished - 1999

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