Short Communication: Time-driven effects on parsing during reading  

Oleh:

Roll, Mikael ; Lindgren, Magnus ; Alter, Kai ; Horne, Merle

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 121 no. 3 (2012), page 267-272.
Topik: Language; Short-term memory; Time-driven constant; Event-related potentials; Reading; Prosodic phrase; Implicit prosody; CPS; Working memory
Fulltext: 121_03_Roll.pdf (690.5KB)

Isi artikel

The phonological trace of perceived words starts fading away in short-term memory after a few seconds. Spoken utterances are usually 2–3 s long, possibly to allow the listener to parse the words into coherent prosodic phrases while they still have a clear representation. Results from this brain potential study suggest that even during silent reading, words are organized into 2–3 s long ‘implicit’ prosodic phrases. Participants read the same sentences word by word at different presentation rates. Clause-final words occurring at multiples of 2–3 s from sentence onset yielded increased positivity, irrespective of presentation rate. The effect was interpreted as a closure positive shift (CPS), reflecting insertion of implicit prosodic phrase boundaries every 2–3 s. Additionally, in participants with low working memory span, clauses over 3 s long produced a negativity, possibly indicating increased working memory load.

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