Cognitive Behavioral Therapy for Hyperacusis

The main purpose of this study is to investigate whether cognitive behaviour therapy (CBT) can be useful for people suffering from Hyperacusis. Also, the investigators are interested in investigating this group of patients on psychiatric and somatic comorbidity, personality traits, and startle response to sounds. The investigators will also study the audiological measures commonly used in Sweden to measure hyperacusis, and investigate their validity. The investigators hypothesize that CBT might be helpful for patients suffering from Hyperacusis.