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Limitations on simultaneity in sign language

Published online by Cambridge University Press:  19 February 2026

Donna Jo Napoli*
Affiliation:
Swarthmore College
Rachel Sutton-Spence*
Affiliation:
University of Bristol
*
Napoli Department of Linguistics Swarthmore College 500 College Ave. Swarthmore, PA 19081, [donnajonapoli@gmail.com]
Sutton-Spence Centre for Personal and Professional Development 8–10 Berkeley Square Clifton Bristol BS8 1HH Great Britain, [Rachel.spence@bristol.ac.uk]

Abstract

Sign languages have two primary articulation tracts: the two hands. They also have secondary articulation tracts that can be partitioned: the nonmanuals. Thus multiple propositions can be conveyed simultaneously. We have attested at most four simultaneously articulated independent propositions in sign languages, and suggest that this limit follows at least partly from limitations on visual short-term memory to cope with the information received. It appears further that the simultaneous propositions must be connected, often sharing arguments or verbs, an account of which concerns matters of production and of cognitive load. A brief look at simultaneity in spoken language suggests that similar if not identical limitations apply.

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Type
Short Report
Copyright
Copyright © 2010 Linguistic Society of America

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