Articles
Clinician-facing reference articles on Continuous Performance Tests in ADHD assessment and titration.
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Omission vs commission errors — what each measures
Omission errors index vigilance / inattention; commission errors index response inhibition / impulsivity. The distinction maps to ADHD presentation subtypes and informs intervention.
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Reaction time variability — the most ADHD-sensitive CPT metric
Why intra-individual RT variability often discriminates ADHD better than mean RT. Implications for assessment, longitudinal tracking, and titration.
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Integrating CPT into clinical practice
Where CPT testing adds value alongside interview and rating scales — and where it doesn't. Practical patterns from clinicians using objective testing routinely.
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Billing CPT 96138 / 96139 — what gets paid
CPT codes for psychological / neuropsychological test administration explained. Documentation requirements, time-based billing, common payer nuances.