"[[Neurosis]]" is originally a [[psychiatric]] term which came to denote, in the eighteenth-century, a whole range of [[treatment|nervous disorders]] defined by a wide variety of [[symptom]]s. [[Freud]] uses the term in a number of ways, sometimes as a general term for all [[treatment|mental disorders]] in [[Works of Sigmund Freud|his early work]], and sometimes to denote a specific class of [[treatment|mental disorders]] (i.e. in opposiiton to [[psychosis]]).
It is a pathological mental condition in which there are no observable lesions in the neuropsychological system. The patient is normally aware of the morbidity of his or her condition and a neurosis can, unlike a psychosis, be
trated with the patient's consent. Neurosis is normally understood as a condition such as hysteria in which somatic symptoms are an expression of a psychical conflict originating in childhood. Modern psychoanalysis describes patients presenting obsessional, phobic or hysterical symptoms as neurotic.