Research Article

Bilingual Language Control and General Purpose Cognitive Control among Individuals with Bilingual Aphasia: Evidence Based on Negative Priming and Flanker Tasks

Table 1

Language background information based on current state (poststroke aphasia data).

Participants CRMMHSCMU

Languages exposed at home Telugu (sometimes Kannada)Urdu/HindiTelugu (sometimes Tamil with extended family)Hindi/Urdu

Languages exposed at office/workplace/collegeEnglish, Kannada, HindiEnglish, Hindi, KannadaEnglish, Telugu, HindiEnglish, Hindi

Age of acquisition: L1 (Telugu): since birth L1 (Hindi/Urdu): since birth L1 (Telugu): since birth L1 (Hindi/Urdu): since birth
L2 (English): 10th standard L2 (English): 3.5 years L2 (Tamil): exposed since birth L2 (English): since school that is 1st standard
L3 (Kannada): after arriving at Kannada speaking state due to occupational needs in 2008L3 (Kannada): after arriving at Kannada speaking state (10 years)L3 (English): since school that is 1st standard

Order of dominance (premorbid):
 L1Telugu (60%)Hindi/Urdu (70%)Telugu (50%)Hindi (50%)
 L2English (40%)English (30%)English (50%)English (50%)

Order of dominance (postmorbid):
 L1Telugu (30%)Hindi/Urdu (85%)Telugu (60%)Hindi (90%)
 L2English (70%)English (15%)English (40%)English (10%)
Sporadic usage of Kannada and HindiSporadic usage of KannadaSporadic usage of Tamil and Hindi

Modality of language acquisition:
 L1both (oral/written and formal/informal)both (oral/written and formal/informal)both (oral/written and formal/informal)both (oral/written and formal/informal)
 L2both (oral/written and formal/informal)both (oral/written and formal/informal)both (oral/written and formal/informal)both (oral/written and formal/informal)

Family members uses following languages:
 Grandparents, parents,
 siblings-
Telugu Hindi/UrduTelugu/TamilHindi
 Neighbours/children-KannadaKannada Hindi/TeluguHindi

Language use choice:
3 point rating
(composite scores)
(can perform 3/10 tasks)(can perform 6/10 tasks)(can perform 6/10 tasks)(can perform 5/10 tasks)
 L13112.7
 L2 22.732

Language proficiency
5 point rating
(composite scores)
(can perform 5/15 tasks)(can perform 7/15 tasks)(can perform 6/15 tasks)(can perform 10/15 tasks)
 L12.252.533.14.25
 L2 4.253.252.832.25

Self-reported proficiency (5-point rating)
 Reading (L1 L2)4 44 42 22 3
 Writing (L1 L2)3 43 41 22 2
 Speaking (L1 L2)3 43 42 23 2
 Understanding (L1 L2)4 44 44 34 4