Monday 18 December 2017

ADHD caused by brain disorder - not bad parents

Approximately one in 20 children under the age of 18 is affected by attention-deficit hyperactivity disorder (ADHD). Stock Image
Approximately one in 20 children under the age of 18 is affected by attention-deficit hyperactivity disorder (ADHD). Stock Image

Henry Bodkin

ADHD is a brain disorder and should not be used as a convenient label for difficult children or poor parenting, the first major physical study of the condition has concluded.

Researchers analysed the brain volumes of more than 3,200 people and noticed that those of patients with attention-deficit hyperactivity disorder, or ADHD, were underdeveloped in five key regions.

Areas governing emotion and motivation were found to be smaller than in the general population, regardless of whether the participants were taking medication.

The scientists behind the study, which is published in 'The Lancet' journal, say their findings prove for the first time that the condition has a physical cause.

Approximately one in 20 children under the age of 18 is affected by the disorder, which is characterised by impulsive behaviour, inattention and hyperactivity. Two-thirds of children affected continue to experience symptoms in adulthood.

Last year, a separate study found the condition was being vastly over-diagnosed and often used as a slapdash term for a collection of behavioural problems, as well as immaturity.

Researchers have suspected for some time that "real" ADHD patients have different brain shapes to normal people of the same age. However, previous studies have been too small to prove the hypothesis.

Dr Martine Hoogman, who led the new research at Radboud University in Nijmegen in the Netherlands, said: "The results from our study confirm that people with ADHD have differences in their brain structure and therefore suggest that ADHD is a disorder of the brain.

"We hope that this will help to reduce stigma that ADHD is just a label for difficult children or caused by poor parenting." Researchers measured the differences in the brain structure of 1,713 people with a diagnosis of ADHD and 1,529 without, all aged between four and 63. (© Daily Telegraph London)

Telegraph.co.uk

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