Chinese developmental dyslexia
Conditions
Interventions
Normal children (TD) intervention group :Literacy teaching& memory updating
Children with dyslexia (DD) intervention group:Literacy teaching& memory updating
A control group of children with dyslexia:Literacy teaching
A control group of Normal children (TD):Literacy teaching
Sponsors
Changzhou Children's Hospital Affiliated to Nantong University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: The inclusion criteria of dyslexia group (DD): according to the DSM - IV definition of dyslexia, a layer by layer screening procedure was adopted. Those who obtained the same conditions and time of formal school education and met the following conditions at the same time were enrolled into Chinese dyslexia group (1) Children's standard Raven intelligence test grade is more than 40%; (2) Children's Chinese dyslexia scale score >= 70; (3) The Chinese character literacy test was 1.5 standard deviations lower than that of the same age children; (4) Children's learning disability screening scale score <= 65; (5) The head teacher assessed that they had learning difficulties, which lasted for more than one year, and they had difficulties in class and homework independently; (6) The children with other mental and psychological diseases, such as mental retardation, autism, visual and auditory impairment, attention deficit hyperactivity disorder, autism and emotional disorders, were excluded by specialists, without previous history of brain injury or treatment with related drugs; (7) Right handed, willing to participate and can adhere to the experiment. From the third to fifth grade students, aged 8-11. Physiological age control group (normal group, typical development, TD) was enrolled (1) Children's standard Raven intelligence test grade is more than 40%; (2) Health, no mental illness and related history, no serious physical disease, cognitive impairment, etc; (3) No substance abuse or dependence. (4) Right handed, willing to participate and can adhere to the experiment. From the remaining third to fifth grade students, normal readers with age, intelligence level and DD group were selected, aged 8-11. The inclusion criteria of the reading level control group (RL) were as follows (1) Children's standard Raven intelligence test grade is more than 40%; (2) Right handed, willing to participate and can adhere to the experiment. From the second grade normal children, the children with no statistical difference in reading level with DD group were selected as the same reading level control group. The age range is 8-9 years.
Exclusion criteria
Exclusion criteria: The children with other mental and psychological diseases, such as mental retardation, autism, visual and auditory impairment, attention deficit hyperactivity disorder, autism and emotional disorders, were excluded by specialists, without previous history of brain injury or treatment with related drugs.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Amplitude and latency of N400 component;Amplitude and latency of P200 component;Amplitude and latency of P600 component;Amplitude and latency of N200 component;Language Academic Achievements;Amplitude and latency of P325 component;a power;ß power; | — |
Countries
China
Contacts
Public ContactWang Chaoqun
Changzhou Children's Hospital Affiliated to Nantong University
Outcome results
None listed