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A Working Memory Model of Sentence Processing As Binding Morphemes to Syntactic Positions

Overview
Journal Top Cogn Sci
Specialty Psychology
Date 2024 Dec 24
PMID 39718973
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Abstract

As they process complex linguistic input, language comprehenders must maintain a mapping between lexical items (e.g., morphemes) and their syntactic position in the sentence. We propose a model of how these morpheme-position bindings are encoded, maintained, and reaccessed in working memory, based on working memory models such as "serial-order-in-a-box" and its SOB-Complex Span version. Like those models, our model of linguistic working memory derives a range of attested memory interference effects from the process of binding items to positions in working memory. We present simulation results capturing similarity-based interference as well as item distortion effects. Our model provides a unified account of these two major classes of interference effects in sentence processing, attributing both types of effects to an associative memory architecture underpinning linguistic computation.

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