For Freud, neuroses ultimately arise from frustrations encountered during a stage of psychosexual development, and are therefore sexual in nature. Freud’s stages of psychosexual development are ...

Oral fixation may occur if a person’s needs are not met during a specific stage of childhood development, according to a theory introduced by psychoanalyst Sigmund Freud. Oral fixations include habits ...

People with a high level of anxiety have historically been referred to as ‘neurotic’. The term ‘neurosis’ derives from the Ancient Greek neuron (‘nerve’), and loosely means ‘disease of the nerves’.