For all the noise online that there is little scientific basis for a diagnosis of ADHD, it's worth looking at studies that show promising evidence of actual variance in brain activity related specifically to key ADHD symptoms.
To make these studies more accessible I am going to unashamedly use ChatGPT to help summarise it in a more digestible fashion because its important to realise that work is being done that validates our experiences.
The study titled "Comparison of arterial spin labeled MRI (ASL MRI) between ADHD and control group (ages of 6–12)" explores brain activity differences between children with ADHD and those without using a special type of MRI scan. Here's a summary of the findings:
The research aimed to understand how brain activity in children with ADHD differs from that in children without ADHD, focusing on ages 6-12.
A special MRI called ASL-MRI was used to measure brain blood flow of 266 children aged between 6 to 12 years (of these 157 children diagnosed with ADHD). This MRI technique is a non-invasive measure of brain activity.
Overall Differences: Children with ADHD showed lower blood flow in specific brain regions (left superior temporal gyrus and right middle frontal gyrus) compared to children without ADHD.
This finding suggests that children with ADHD have lower brain activity in certain areas compared to children without ADHD.
Specifically, these areas are the left superior temporal gyrus, which is involved in processing sounds and language, and the right middle frontal gyrus, which helps with planning and decision-making.
This implies that ADHD might be linked to reduced activity in these brain regions.
Age-Specific Differences:
Ages 6-7: No significant difference between ADHD and control groups.
Ages 8-9: Children with ADHD had lower blood flow in the left postcentral gyrus and left middle frontal gyrus compared to controls.
Ages 10-12: Children with ADHD showed lower blood flow in the left superior occipital region compared to controls.
The study suggests that differences in brain activity related to ADHD vary with age.
It highlights that brain activity changes significantly after age 7, providing insights into how ADHD affects brain development.
These findings could help in better understanding ADHD and developing age-specific treatments.
Future studies with larger groups and more detailed age divisions are needed to confirm these findings and explore the relationship between brain activity and ADHD symptoms further.
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