25 May Objective Cognitive Testing for ADHD: How Modern Digital Assessments Are Changing Clinical Diagnosis
Posted at 17:47h
in ADHD
Attention Deficit Hyperactivity Disorder remains one of the most common yet often misdiagnosed neurodevelopmental conditions we see in clinical practice today. If you're a healthcare professional, you've likely experienced the challenge firsthand.
A patient walks into your office reporting concentration difficulties, but is it truly ADHD? Or are they dealing with anxiety, depression, or another condition that simply looks like ADHD on the surface?
This diagnostic puzzle has frustrated clinicians for decades. The traditional approach relies heavily on behavioral rating scales and clinical interviews. While these tools provide valuable information, they only tell part of the story.
They capture what patients report about their symptoms, but they don't measure what's actually happening in the brain during tasks that demand attention, planning, and self-control.
That's where modern digital cognitive testing enters the picture.
Prof. Guohua Li[/caption]
MedicalResearch.com Interview with:
Guohua Li, MD, DrPH
Finster Professor of Epidemiology and Anesthesiology
Columbia University Irving Medical Center
MedicalResearch.com: What is the background for this study? How was the ADHD diagnosis determined?
Response: The reported prevalence of ADHD in children and young adults in the United States has more than doubled since the 1990s because of improved diagnosis. Currently, ADHD affects about 13 percent of children under 18 years of age and eight percent of adults under 45 years of age. Little is known about the prevalence of ADHD in older adults although it is estimated that ADHD symptoms may persist throughout the lifespan in about one-third of children diagnosed with the disorder. Diagnostic criteria for adulthood ADHD include having five or more relevant symptoms, adverse impact on social, academic, and occupational activities, and onset of symptoms before age 12.
In this study, ADHD status is determined based on an affirmative response to the question of whether the participant had ever had ADHD or had ever been told by a doctor or other health professional that he or she had ADHD.
Sneha Vaddadi[/caption]
Sneha Vaddadi, BS
Department of Medical Education
Geisinger Commonwealth School of Medicine
Scranton, Pennsylvania
MedicalResearch.com: What is the background for this study?
Response: The prescription stimulants methylphenidate, amphetamine, and lisdexamfetamine, classified as Schedule II substances, are sympathomimetic drugs with therapeutic use widely used in the US for Attention Deficit Hyperactivity Disorder. Changes in criteria for diagnosis of Attention Deficit Hyperactivity Disorder in 2013 and approval of lisdexamfetamine for binge eating disorder in 2015 may have impacted usage patterns.
The goal of this study1 was to extend upon past research2 to compare the pharmacoepidemiology of these stimulants in the United States from 2010–2017, including consideration to variation within geographic regions, the Hispanic population, and the Medicaid population.
Dr. Barrett[/caption]
Charles Barrett. Ph.D.
School Psychologist
Loudon County Virginia
Public Schools
MedicalResearch.com: What is the background for this study? What are the main findings?
Response: Numerous studies have shown that Black children are more likely to receive ratings that are more indicative of displaying externalizing behavior difficulties, including Attention Deficit Hyperactivity Disorder (ADHD). However, many of these studies included teachers as the informants. Consistent with most teachers in the United States, raters have typically been White females. For this reason, it is unclear if these outcomes would exist if the rater and child shared the same racial/ethnic background. Additionally, most research in the United States that involved cross-cultural comparisons has used White and Hispanic boys. Few empirical studies have examined differences between Black and White boys.
The present study sought to address several limitations in the field. Most notably, cross-cultural comparisons between Black and White boys were included instead of Hispanic and White children. Next, maternal figures, rather than teachers, were included as the informants.
The present study was developed using a similar methodology that examined Hispanic and White boys’ behavior from the perspective of Hispanic and White teachers (Dominguez de Ramirez & Shapiro, 2005). In sum, we sought to determine if there were differences in how Black and White maternal figures rated Black and White boys who were demonstrating the same level/type of behavior (i.e., sub-clinical levels of 
