Language Control Across Modalities

University of California, San Diego360 enrolled

Overview

This study aims to investigate how unimodal bilinguals who speak two languages and bimodal bilinguals who speak one language and sign another control languages across comprehension and production. Participants will complete different language tasks (e.g., classify a word, name a picture) in different languages, and their behavioral performance will be assessed, including accuracy and reaction time.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

BASIC_SCIENCE

Masking

SINGLE

Enrollment

360

Conditions

Healthy

Interventions

PredictabilityBEHAVIORAL

Whether the task of the next trial (comprehension or production) is predictable

language contextBEHAVIORAL

whether both languages or only one language is involved in the current block

Eligibility

Sex: ALLMin age: 18 YearsMax age: 65 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Proficient in both Mandarin and English, or proficiency in both ASL and English Exclusion Criteria: * Know a third language better than Mandarin/English or better than ASL/English * With language disorder or other neurological disorders

Locations (1)

UCSD

San Diego, California, United States

RECRUITING

Outcomes

Primary Outcomes

Switch costs in different contexts

Time frame: An average of one year for each condition

Data from ClinicalTrials.gov

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