[Phonological processing in children with attention deficit hyperactivity disorder: is methylphenidate effective?]

Area of Science:

• Neuroscience
• Developmental Psychology
• Linguistics

Context:

• Attention Deficit Hyperactivity Disorder (ADHD) is often linked to language impairments, yet phonological processing deficits and stimulant efficacy remain understudied.
• Phonological processing is crucial for literacy development, making its assessment in ADHD populations essential.

Purpose:

• To investigate phonological processing differences between children with ADHD and neurotypical children using specific linguistic tests.
• To evaluate the impact of methylphenidate on the phonological processing abilities of children diagnosed with ADHD.

Summary:

• A study involving 37 children with ADHD and 37 controls (ages 5-12) utilized induced phonological register, linguistic follow-up, and lexical fluency tests.
• Significant phonological processing differences were observed between groups. Methylphenidate administration showed improvements in lexical fluency for the ADHD group, with limited gains in linguistic segmentation.

Impact:

• Findings underscore the necessity of assessing phonological processing in children with ADHD to identify potential reading and writing difficulties.
• This research highlights the differential effects of methylphenidate on specific phonological skills, informing targeted interventions.