Distraction tasks are inspired by techniques used in dialectical behavioural therapy (DBT), which is the frontline psychological therapy used in the UK to treat self-harm.
Imagery has been known for a long time to affect our emotions, thoughts, and outlook - Just think about the amount of money that gets spent on advertising and graphic design! Self-Heal contains more than 750 pictures each carefully selected to motivate recovery. More than half of these images are captioned to provoke thought and engage the user.
Self-Heal does not collect personal information. It does use Google Analytics to collect general, anonymous information about usage in order to improve user experience and future releases.