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Research Spending & Results

Award Detail

Awardee:UNIVERSITY OF CALIFORNIA, SAN DIEGO
Doing Business As Name:University of California-San Diego
PD/PI:
  • Rachel Mayberry
  • (858) 534-2929
  • rmayberry@ucsd.edu
Co-PD(s)/co-PI(s):
  • Nina Semushina
Award Date:01/16/2020
Estimated Total Award Amount: $ 11,131
Funds Obligated to Date: $ 11,131
  • FY 2020=$11,131
Start Date:02/15/2020
End Date:01/31/2022
Transaction Type:Grant
Agency:NSF
Awarding Agency Code:4900
Funding Agency Code:4900
CFDA Number:47.075
Primary Program Source:040100 NSF RESEARCH & RELATED ACTIVIT
Award Title or Description:Doctoral Dissertation Research: The development of numerical cognition and linguistic number use: Insights from sign languages
Federal Award ID Number:1941456
DUNS ID:804355790
Parent DUNS ID:071549000
Program:DDRI Linguistics
Program Officer:
  • Joan Maling
  • (703) 292-8046
  • jmaling@nsf.gov

Awardee Location

Street:Office of Contract & Grant Admin
City:La Jolla
State:CA
ZIP:92093-0621
County:La Jolla
Country:US
Awardee Cong. District:49

Primary Place of Performance

Organization Name:University of California San Diego
Street:9500 Gilman Drive, MC 0108
City:La Jolla
State:CA
ZIP:92093-0108
County:La Jolla
Country:US
Cong. District:49

Abstract at Time of Award

Early language deprivation too often characterizes the circumstances of deaf children born in hearing families with little access to language in any form, spoken or signed. Language deprivation has long lasting negative effects on cognitive, educational and life outcomes. The goal of our project is to study the effects of language deprivation on the acquisition of numeracy and linguistic number use in sign language: an understudied and important topic. Our research can potentially enrich theoretical understanding of the relationship between language and number. The practical implication of the research is to provide specialists in deaf education with more information on the strengths and weaknesses of number cognition in students who are deaf and experience language at a late age. In the four studies of this dissertation, quantification through sign language in native (L1) signers of American Sign Language (ASL) is compared to that of late first-language learners (LL1), congenitally deaf individuals who had no access to natural sign in early life. In the first two studies, we investigate the factors that may influence number acquisition in signers: the potential complexity of (modality-specific) number marking in sign languages and the interaction between number systems and simultaneous morphology (rather than sequential morphology). Study 1 investigates iconicity and the structural properties of number systems of world’s sign languages. Study 2 investigates the interaction of iconic numeral system and morpho-phonological constraints in plural marking in ASL. Study 3 looks at the automatic processing of number expressed both linguistically (ASL signs) and in conventional mathematic symbols (Arabic digits) using the Number Stroop Test paradigm. Study 4 investigates the production and comprehension of selected simultaneous, morphological constructions used in ASL (that mark exact and non-exact plural) in selected classifier constructions by L1 and LL1 learners in comparison to overt number marking through numerals. This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

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