Unraveling Memory and Expectation in Language Processing!

Published on January 10, 2023

Language processing can be a tricky business, just like navigating a maze of puzzles! In this study, scientists investigated how we understand complex sentence structures called relative clauses. Think of it like solving a Rubik’s Cube with words instead of colors! The researchers focused on the Hungarian language, which has flexible word order within these clauses. They wanted to see if memory limitations or violated expectations were the main factors in comprehension difficulties. Surprisingly, even though certain word orders were more common, they actually caused more processing cost in our brains! This suggests that memory limitations play a bigger role in comprehension than our expectations. These findings offer valuable insights into how our minds process language and could inform the development of better language learning tools and techniques. Curious to learn more? Check out the full article for all the wordy details!

Abstract
Memory limitations and probabilistic expectations are two key factors that have been posited to play a role in the incremental processing of natural language. Relative clauses (RCs) have long served as a key proving ground for such theories of language processing. Across three self-paced reading experiments, we test the online comprehension of Hungarian subject- and object-extracted RCs (SRCs and ORCs, respectively). We capitalize on the syntactic properties of Hungarian that allow for a variety of word orders within RCs, which helps us to delineate the processing costs associated with memory demand and violated expectations. Results showed a processing cost at the RC verb for structures that have longer verb-argument distances, despite those structures being more frequent in the corpus. These findings thus support theories that attribute processing difficulty to memory limitations, rather than theories that attribute difficulty to less expected structures.

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