To investigate the extent of memory loss as a result of having ECT
- An ECT group who believed they suffered memory loss as a result of the ECT they had between 9 months - 30 years after, was compared to a control group that hadn't had ECT
- They were all assessed on cognitive functioning (memory tests), depression and a self-assessment of memory difficulties
They found that:
- ECT group were more depressed than the controls
- Some of the ECT group claimed bad memory at the time of the treatment, some claimed retrograde amnesia (before ECT) and some anterograde amnesia (after ECT).
- ECT group scored significantly worse than the controls on memories of their own past and the ability to put names to faces
They concluded that ECT can cause significant memory loss, but, depression can lead to poor memory too.