蜜芽传媒

Ashley Riley took part in an NHS trial that used an electric headset to treat depression

The device works by stimulating brain activity in the dorsolateral prefrontal cortex in the front of the brain

The National Institute for Clinical Excellence said experts advised that the headset would particularly benefit people for whom antidepressants would not work

Nikki Fox reports

Credit: 蜜芽传媒/Nikki Fox