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3 Different Types of ADHD Identified in New Study. What to Know

Rubenhair Latvia
3 min read
05.03.2026
3 Different Types of ADHD Identified in New Study. What to Know

**New Insights into ADHD Diagnosis and Treatment** A recent study using brain scans has shed new light on Attention Deficit Hyperactivity Disorder (ADHD), suggesting that there may be three distinct subtypes of the condition.

**New Insights into ADHD Diagnosis and Treatment**

A recent study using brain scans has shed new light on Attention Deficit Hyperactivity Disorder (ADHD), suggesting that there may be three distinct subtypes of the condition. This discovery could potentially revolutionize how ADHD is diagnosed and treated.

ADHD is a common neurodevelopmental disorder affecting approximately 7 million children aged 3 to 17, according to the Centers for Disease Control and Prevention (CDC). Symptoms can vary in severity, with around 6 in 10 children experiencing moderate to severe symptoms. Current treatment typically involves a combination of medications and behavioral therapies.

**What does this mean for ADHD diagnosis and treatment?**

The study analyzed brain scans and neurochemical signals from 1,154 participants with ADHD, revealing three distinct patterns: severe combined with emotional dysregulation, predominantly hyperactive/impulsive, and predominantly inattentive. Each subtype appears to have its own unique chemical reactions in the brain.

**Understanding the subtypes of ADHD**

The study's findings suggest that each biotype (subtype) of ADHD has distinct neural circuits and neurotransmitter systems. This could mean that a one-size-fits-all approach to treatment may not be effective for all individuals with ADHD. Instead, personalized treatment plans may be necessary to address the specific needs of each subtype.

**Breaking new ground in ADHD research**

The study's discovery of a severe-combined type with emotional dysregulation is particularly significant. This subtype showed widespread brain alterations and persistent emotional dysregulation over time, which may explain why some individuals do not respond to stimulant medication alone.

While more research is needed to confirm these findings, this study marks an important step forward in our understanding of ADHD. It could ultimately lead to more effective diagnosis and treatment strategies for individuals with the condition.

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