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A five-year longitudinal cohort study on cognitive behavior of language and reading development disability in 3-year-old kindergarten children

A five-year longitudinal cohort study on cognitive behavior of language and reading development disability in 3-year-old kindergarten children

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2300077874
Enrollment
Unknown
Registered
2023-11-22
Start date
2022-05-09
Completion date
Unknown
Last updated
2023-11-27

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

Conditions

Dyslexia

Interventions

Dyslexia group:None
Normal control group:None

Sponsors

Shenzhen Institute of Neuroscience
Lead Sponsor

Eligibility

Sex/Gender
All
Age
3 Years to 7 Years

Inclusion criteria

Inclusion criteria: 1. 3-4 years old, Junior Class of kindergarten; 2. The ratio of male to female is 1:1; 3. Normal eyesight or corrected eyesight and hearing; 4. Native speakers of Chinese; 5. right-handed.

Exclusion criteria

Exclusion criteria: 1. Suffering from serious physical illnesses (e.g., cardiovascular, hepatic and renal diseases); 2. Suffering from neurodevelopmental diseases such as autism, ADHD, speech delay, or with a family history of mental illness.

Design outcomes

Primary

MeasureTime frame
Morphological awareness test;Phonological awareness test;Speech IQ test;Orthography awareness test;Rapic naming test;Working memory test;Visual test;Vocabulary knowledge test;—

Secondary

MeasureTime frame
Family Cultural Environment Survey Questionnaire;Kindergarten Class Survey Questionnaire;—

Countries

China

Contacts

Public ContactLi-Hai Tan

Shenzhen Institute of Neuroscience

tanlh@sions.cn+86 136 3269 2317

Outcome results

None listed

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