The purpose of this study is to learn about Duarte galactosemia (DG). This study will examine the possible effects of Duarte galactosemia (DG) in children, and determine whether dietary exposure to milk in infancy or early childhood is associated with developmental outcomes of school-age children with Duarte galactosemia (DG).
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Children's Memory Scale Score
Timeframe: Baseline
Wechsler Intelligence Scale for Children IV-Integrated (WISC-IV-Integrated): Digit Span Score
Timeframe: Baseline
Wechsler Intelligence Scale for Children IV-Integrated (WISC-IV-Integrated): Spatial Span Score
Timeframe: Baseline
Executive Functioning in Verbal Domain Using A Developmental NEuroPSYchological Assessment-II (NEPSY-II) - Number of Words Generated
Timeframe: Baseline
Planning Ability in the Visual-Spatial Domain Using A Developmental NEuroPSYchological Assessment-II (NEPSY-II): Route-Finding Score
Timeframe: Baseline
Behavior Rating Inventory of Executive Function (BRIEF) Score
Timeframe: Baseline
Wechsler Abbreviated Scale of Intelligence-II (WASI-II): Vocabulary Score
Timeframe: Baseline
Wechsler Abbreviated Scale of Intelligence-II (WASI-II): Matrix Reasoning Score
Timeframe: Baseline
Brain Wave Latency Assessment Value
Timeframe: Baseline
Number of Participants Who Failed Pure-tone Hearing Assessment
Timeframe: Baseline
Diagnostic Evaluation of Articulation and Phonology (DEAP) Score
Timeframe: Baseline
Diadochokinetic (DDK) Speech Rate
Timeframe: Baseline
Acoustic Voice Quality Index (AVQI) Score
Timeframe: Baseline
Oral and Written Language (2nd Edition (OWLS-II): Listening Comprehension (LC)) Scales Score
Timeframe: Baseline
Oral and Written Language (2nd Edition (OWLS-II): Oral Expression (OE)) Scales Score
Timeframe: Baseline
Movement Assessment Battery for Children-2 (Movement ABC-2): Performance Test Percentiles
Timeframe: Baseline
Iowa Oral Performance Instrument (IOPI) Tongue Strength Value
Timeframe: Baseline
Essential Tremor Rating Assessment Scale (TETRAS) Score
Timeframe: Baseline
Social Skills Improvement System (SSIS) Rating Scales Score
Timeframe: Baseline
Child Behavior Checklist for Ages 6-18 (CBCL/6-18) T-Scores
Timeframe: Baseline
Revised Children's Manifest Anxiety Scale-2nd Edition (RCMAS-2) T-Scores
Timeframe: Baseline
Number of Children Participating in Special Education or Other Intervention Experiences
Timeframe: Baseline
Pediatric Adventitious Movement Scale - Upper Extremity Steadiness Score
Timeframe: Baseline
Pediatric Adventitious Movement Scale - Archimedes Spiral Task Measurement
Timeframe: Baseline
Hand Strength Value
Timeframe: Baseline
The Goldman Fristoe Test of Articulation-3 (GFTA-3) Score
Timeframe: Baseline
The Children's Depression Inventory-2 (CDI-2) Score
Timeframe: Baseline
Structure-Function-Praxis (SFP) Exam Score
Timeframe: Baseline