Trial Parameters
Brief Summary
The purpose of this study is to investigate neurocognitive mechanisms underlying response to intervention aimed at enhancing, and remediating weaknesses in, numerical skills in children, including those with mathematical learning disabilities (MLD).
Eligibility Criteria
Inclusion Criteria: 1. Elementary school aged children starting from first grade (6-12 years old) 2. IQ: Participants with a Full Scale IQ \> 70 on the Wechsler Abbreviated Scle of Intelligence (WASI-II). 3. Identification of Mathematical Learning Disabilities: Scores below the 35th percentile percentile on symbolic number processing test in Numeracy Screener and two or more Wechsler Individual Achievement Test (WIAT-IV) math subtests 4. Identification of typically developing children: Scores at or above the 35th percentile percentile on symbolic number processing test in Numeracy Screener and all WIAT-IV math subtests 5. Normal or corrected-to-normal vision and no hearing impairments 6. Inclusion in MRI scan session: Right-handed Exclusion Criteria: 1. History of neurological or psychiatric disorder (i.e., schizophrenia, psychosis, depression, or attention deficit hyperactivity disorder.) 2. History of trauma involving head injury 3. Consistent psychiatric medications 4. Exclusion fro