Early childhood traits and trauma may shape obsessive-compulsive disorder, new research suggests

Psychologist Dr Jemma Anderson highlights how childhood learning and trauma influence OCD development, emphasising early intervention and evidence-based therapy to disrupt the draining cycle of doubt and compulsions.

For many people with obsessive-compulsive disorder, the illness is less a set of quirks than a draining loop of doubt, fear and short-lived relief. Psychologist Dr Jemma Anderson argues that the roots of that pattern may in some cases be traced back to the way a child first learns to cope with uncertainty, though she stresses that OCD never has a single cause.

Research suggests that early thinking styles can matter. A study of children and younger adolescents found that perfectionism and intolerance of uncertainty could predict later OCD symptoms over the course of a year, pointing to the importance of spotting those traits early. Other work has linked childhood trauma with greater symptom severity, with intolerance of uncertainty appearing to sit between the two. Taken together, the findings suggest that the mind’s struggle with not knowing can become a powerful driver of obsessive thinking.

That emphasis on uncertainty is echoed in wider OCD research. Studies have found that people with OCD often find ambiguous situations harder to bear, particularly when checking becomes the main coping strategy. A systematic review published in the Journal of Applied Research in Intellectual Disabilities also concluded that cognitive, behavioural and family-based maintenance mechanisms seen in adults can apply to preadolescent children, suggesting that earlier intervention may be useful rather than waiting until patterns become entrenched.

Dr Anderson says the difficulty is not simply that intrusive thoughts appear, but that they are treated as threats that must be neutralised. In that sense, compulsions such as checking, washing, repeated reassurance-seeking or mental reviewing are not random habits but attempts to secure certainty. The trouble is that certainty is never fully reachable, so the temporary comfort can strengthen the cycle rather than break it.

That is why OCD is so often misunderstood. It is not mainly about neatness or cleanliness, and intrusive thoughts alone do not amount to a diagnosis. What makes the condition so painful is the way it latches on to what people value most: loved ones, health, morality, relationships and identity. Dr Anderson’s advice is to stop treating the condition as a moral failing or a mystery of willpower, and instead to ask what the mind is trying to protect against. From there, she says, evidence-based therapy can help people build a different relationship with doubt.