Dyslexie specific reading disability wordblindness
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Children who have participated in EEG study (METc 2012/076) - Parental informed consent for participation - Child*s informed consent for participation - Agreeing that any abnormal findings with medical consequences will be communicated to the parents and the child*s general practitioner
Exclusion criteria
Exclusion criteria: - Uncorrected abnormal vision - Hearing problems - Brain damage as a result of head trauma or a medical condition - Serious health or psychiatric problems as reported by the parents - MR-related exclusion criteria: o Presence of metal implants (including some non-removable braces) o Presence of electronic implants (e.g., heart pacemakers) and connectors of electronic devices (e.g., implanted electrodes) o (possible) pregnancy o claustrophobia
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| - Performance (speed and accuracy) on behavioural tests investigating among others: second language reading comprehension, text reading, word reading, vocabulary, spelling and phonemic awareness. - Patterns of blood-oxygen level dependent (BOLD) activation related to the different language tasks that participants will execute while being scanned, compared between groups (control group, at-risk group without dyslexia, at-risk group with dyslexia), taking performance on the tasks into account. - Patterns of brain structural connectivity (localized fractional anisotropy (FA)) as obtained from DTI. | — |
Countries
Netherlands