Auditory hallucinations occur when a person perceives a sound without an external stimulus. This symptom is particularly associated with schizophrenia and similar psychotic disorders. However, they are not necessarily related. In fact, one of the causes may be hearing loss.
Auditory hallucinations, which is commonly trivialized as "hearing voices", is actually one of the most common symptoms of schizophrenia, reported by as many as 75% of patients. It is also found in other psychiatric conditions, such as bipolar and unipolar depression and personality disorders, as well as in nonclinical populations.
Auditory hallucinations are common even when the body is asleep. For this reason, we happen to "hear voices" when sleeping. These hallucinations are most common when a person is experiencing a high level of stress. The most common auditory hallucinations are simple and have no real meaning or purpose. Among the most common noises are: beeping, high-pitched, random and crackling noises. Severe cases of anxiety can result in more complex auditory hallucinations. These may involve voices, which are sometimes associated with rapid thinking. This can lead the affected individual to believe that the voices are real.
Psychological problems are among the most common causes of auditory hallucinations. However, there are many other reasons, including: