Brain Scans Alone Can’t Diagnose ADHD
We know ADHD is a brain-based condition, so it seems logical that brain scans could aid in making the diagnosis. While brain scans like magnetic resonance imaging (MRI), computed tomography (CT scans), and positron emission tomography (PET scans) have revolutionized our understanding of brain structure and function, they cannot diagnose ADHD on their own.
Here’s why.First, ADHD is a complex condition comprising genetic, environmental, and neurobiological factors. This intricate relationship makes it challenging to pinpoint specific brain patterns or abnormalities that definitively indicate ADHD.
Unlike some neurological conditions in which a distinct physical anomaly (e.g., tumor, stroke, etc.) or clear activity pattern (e.g., seizure) can be observed, ADHD presents a more nuanced picture.Second, the symptoms of ADHD can vary widely among individuals.
While difficulties with attention, motivation, and impulsivity are hallmark features, these symptoms present differently from person to person.
United States
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Cases: 46 252 513
Deaths: 750 423
Recovered: 0
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India
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Cases: 34 321 025
Deaths: 459 652
Recovered: 0
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Brazil
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Cases: 21 835 785
Deaths: 608 235
Recovered: 0
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United Kingdom
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Cases: 9 215 683
Deaths: 141 607
Recovered: 0
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Russia
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Cases: 8 494 589
Deaths: 237 619
Recovered: 0
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