A woman has said she was left unable to remember large portions of her life after receiving a mental health treatment that involves sending electric currents through the brain. Lisa Morrison, 52 and from Northern Ireland, received electroconvulsive therapy (ECT) on the NHS six times between 2009 and 2016 as part of treatment for her depression , but claims it only caused her and her family more harm. ECT, which is administered to about 2,500 people in the UK annually, causes a brief surge of electrical activity within the brain , also known as a seizure . The aim is to relieve severe symptoms of some mental health problems, including severe depression, according to mental health charity Mind . But Ms Morrison has been left with long-term memory loss , unable to remember her wedding day or significant moments of her children’s lives. “Sometimes I find it very distressing, especially when I think about my children and their early years,” Ms Morrison told The Independent .…