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A novel brain-based therapy for ADHD children using non-invasive transcranial direct current stimulation (tDCS) combined with cognitive training

Boys (aged between 10 and 18-years) with Attention Deficit Hyperactivity Disorder (ADHD) will be trained over several sessions to improve their attention and self-control skills with a computer game and at the same time they will receive brain stimulation using transcranial direct current stimulation (tDCS). tDCS consists of a very small electrical current which will be placed over a frontal part of your brain to boost the learning effect in the computer game by giving your brain an extra “push”. tDCS has been around for more than 20 years, it is completely safe, has no side effects and is used in many other patient groups. This study will help the development of a new treatment for ADHD that is not reliant on pharmacological medication.


We are looking for:


  • Male
  • 10 to 18 years old.


  • Schizophrenia, Bipolar disorder, learning disability, severe depression (current suicidal behaviour)
  • Brain tumours, epilepsy/ seizures
  • History of substance abuse or migraine
  • Implanted metallic material (braces are fine)
  • Diseased or damaged skin on face/ scalp
  • Taking antipsychotic drugs (e.g., chlorpromazine, clozapine, anti-depressants, but usual medication is fine without any changes in regime throughout the study)


  • London


The study is composed of 18 visits. We pay participants £30 per visit (18 x £30 = £540).

For 15 visits (~30mins each), the participant is given the brain stimulation (Monday to Friday, 3 consecutive weeks, excl weekends). For 3 visits (~1.5-3hrs each), the participant will be assessed at baseline (before the first brain stimulation visit), soon after the last brain stimulation visit and then 6 months later.

We cover travel costs (incl bus, taxi, or train fare) and contribute some to petrol money.

Contact information:

Contact SAMUEL for more information. 


Phone: 020 7848 5078

Visit the study website: 

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