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An investigation exploring nature of reading difficulties in two different Indian languages

A cross-linguistic investigation exploring the mechanisms associated with sub- lexical dyslexia in two alphasyllabic orthographies

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2023/03/050263
Enrollment
800
Registered
2023-03-02
Start date
Unknown
Completion date
Unknown
Last updated
2023-04-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: F810- Specific reading disorder

Interventions

Control Intervention1: NIL: NIL

Sponsors

Department of Science and Technology
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Group 1: Clinical group (Children with Sub-lexical dyslexia) A group of 50 children with sub-lexical dyslexia (each in Kannada and Tamil), from Grades III to VII will be recruited in the clinical group. 1. Children with the native language of either Kannada or Tamil and going to schools with a medium of instruction as Kannada or Tamil. 2. Normal IQ, vision, and hearing. 3. Should have Akshara knowledge in the respective language (Kannada and Tamil). 4. Poor non-word reading and near-normal word reading skills. Group 2: Age-matched TD children A group of 50 age-matched children (each in Kannada and Tamil) from Grades III to VII will be recruited in this group based on the following criteria: 1. Children with the native language of Kannada and Tamil, going to schools with a medium of instruction as Kannada and Tamil. 2. Matched to children with sub-lexical dyslexia in terms of age, gender and grade. 3. Normal IQ, vision, and hearing. 4. Should have Akshara knowledge in the respective language (Kannada and Tamil). 5. Age-appropriate word and non-word reading skills. Group 3:Reading-matched TD children A group of 50 reading-matched children (each in Kannada and Tamil) will be recruited in this group based on the following criteria: Inclusion criteria: 1. Children with the native language of Kannada and Tamil, going to schools with a medium of instruction as Kannada and Tamil. 2. Matched to children with sub-lexical dyslexia regarding reading level and gender. 3. Normal IQ, vision, and hearing. 4. Should have Akshara knowledge in the respective language (Kannada and Tamil). 5. Age-appropriate word and non-word reading skills.

Exclusion criteria

Exclusion criteria: Group 1: Clinical group (Children with Sub-lexical dyslexia) 1. Children with obvious psychological and/or social issues. 2. Children with co-morbid language disorders like Specific Language Impairment (SLI) 3. Children with irregular schooling. 4. Children with any neurological or motor issues. Group 2: Age-matched TD children 1. Children with obvious psychological and/or social issues. 2. Children with irregular schooling. 3. Children with any neurological or motor issues. 4. Children with a history of delayed speech and language development. Group 3: Reading-matched TD children 1. Children with obvious psychological and/or social issues. 2. Children with irregular schooling. 3. Children with any neurological or motor issues. 4. Children with a history of delayed speech and language development.

Design outcomes

Primary

MeasureTime frame
word and non word reading accuracyTimepoint: First week

Secondary

MeasureTime frame
phonological awareness, akshara knowledgeTimepoint: Fifth week

Countries

India

Contacts

Public ContactDr Shivani Tiwari

Manipal College of Health Professions

shivani.tiwari@manipal.edu9986448718

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026