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Virtual Psycholinguistics Forum: Generalizing active gap-filling

发布时间:2021-09-07 栏目类别:讲座会议


主讲人:Tim Hunter (Department of Linguistics, UCLA)

时间:15:00-16:30, Wed, 8 September 2021

与会方式:Zoom(会议链接:https://cuhk.zoom.cn/j/779556638


讲座简介:

A central issue in theories of sentence comprehension is the resolution of “long distance” dependencies. An example is the dependency between the fronted wh-phrase and its thematic direct object position in a sentence like "Which book did the teacher give to the student?". Experimental evidence across multiple methodologies indicates that human comprehenders construct these dependencies in a pro-active manner, in advance of bottom-up input that identifies the position of the missing argument ("active gap-filling", Fodor 1978).

A challenge that remains outstanding is fitting these well-known experimental findings into computationally explicit models of sentence processing. Existing models provide a useful framework for understanding the online construction of structurally-local dependencies (e.g. canonical verb-argument dependencies), but are based on parsing algorithms for simple (context-free) phrase-structure grammars, and therefore cannot easily be extended to engage with the psycholinguistic work on long-distance dependencies. Attempts to bridge this divide have generally added specialized machinery that fails to generalize beyond the most familiar cases.

In this talk, Tim Hunter will present a computationally explicit and implementable theory that addresses this challenge, and treats local and non-local dependencies in a unified manner. This proposal adapts core ideas from classical sentence processing models to less simplistic grammars, and correctly predicts some recent experimental findings comparing active gap-filling across verb-final and verb-medial languages.


专家简介:Tim Hunter is an Associate Professor in Linguistics at the University of California, Los Angeles (UCLA). He earned undergraduate degrees in Software Engineering and French at UNSW in Sydney, and completed his PhD in 2010 at the University of Maryland, College Park. His area of specialization is computational linguistics, with a focus on how the formal study of grammars can help inform the integration of grammatical theory with psycholinguistics.

   


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