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SDSU Laboratory for Language and Cognitive Neuroscience (LLCN)

LLCN at San Diego State University

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ASL-LEX Database

August 18, 2014

A subjective frequency and iconicity database for 1000 ASL signs

Word frequency plays an important role in language processing (e.g. word recognition, word naming, lexical decision, phonological processing) and might also be an important determinant of language structure. There are many large volume corpora and normative data sets available that spoken language researchers can use to control features such as frequency, phonological properties, imageability and parts of speech in their experiments. However, few similar large-scale datasets are available for sign languages.

To fill this gap, we have teamed up with researchers at Tufts University, Naomi Caselli and Ariel Cohen-Goldberg, to collaborate on a collection of subjective frequency and iconicity ratings from a group of deaf ASL signers (25-30 raters) for a set of 1000 ASL signs, providing the largest sign language dataset of its kind to date. In addition, all signs have been coded for phonological features based on a modified version of the Prosodic Model (Brentari, 1998) from which neighborhood densities can be calculated. Our analyses of this database are nearly complete (e.g., examining correlations between frequency, iconicity, and phonological complexity), and the results will soon be submitted for publication in Behavioral Research Methods.

The database itself will be made publically available, including the videos. Publication of the full dataset online will provide a valuable tool for anyone conducting sign language research.

  • http://ase.tufts.edu/psychology/psycholinglab/

 

 

Filed Under: Announcements

Announcements

Dr. Emmorey

Dr. Karen Emmorey receives The Society for Neurobiology of Language 2020 Distinguished Career Award

September 11, 2020

TraciAnn Hoglind, a researcher in the SDSU Laboratory for Language and Cognitive Neuroscience, demonstrates the EEG cap worn by study participants while they identified pictures by signing.

Similar brain glitch found in slips of signing, speaking

May 5, 2020

Happy Halloween from LLCN

November 4, 2019

archived announcements >>

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