Recurrent and persistent thought, impulse, or image experienced as intrusive and distressing. Recognized as being excessive and unreasonable even though it is the product of one’s mind. This thought, impulse, or image cannot be expunged through logic or reasoning.
A persistent impulse that cannot be relieved by logic.
A mental disorder in which a person has a fixed idea or emotion which he or she cannot get rid of, even if he or she knows it is wrong or unpleasant.
Abnormally persistent focus on a single idea.
Constant, persistent, uncontrollable thoughts associated with anxiety and psychotic disorders.
A recurrent thought, feeling, or action that is unpleasant and provokes anxiety but cannot be got rid of. Although an obsession dominates the person, he (or she) realizes its senselessness and struggles to expel it. The obsession may be a vivid image, a thought, a fear (for example, of contamination), or an impulse (for example, to wash the hands repetitively). It is a feature of obsessional neurosis and sometimes of depression and of organic states, such as encephalitis. It can be treated with behavior therapy and also with psychotherapy and tranquilizers.
An idea or thought that takes over the mind and cannot be forgotten.
Thoughts, images, or impulses that are intrusive or inappropriate enough to cause a marked elevation of anxiety.
An intrusive thought refers to a recurring or persistent notion, idea, or impulse that is perceived as unsuitable and causes distress.