<unk>  is a medical condition in which patients develop speech patterns that are perceived as a<unk><unk>  that is different from their native<unk> , without having acquired it in the perceived<unk> 's place of origin.<unk>  usually results from a stroke, but can also develop from head trauma, migraines or developmental problems. The condition might occur due to lesions in the speech production network of the brain, or may also be considered a neuropsychiatric condition. The condition was first reported in 1907, and between 1941 and 2009 there were 62 recorded cases. Its symptoms result from distorted articulatory planning and coordination processes and although popular news articles commonly attempt to identify the closest regional<unk> , speakers suffering from<unk>  acquire neither a specific<unk><unk>  nor any additional fluency in a<unk>  language. There has been no verified case where a patient's<unk>  language skills have improved after a brain injury.
Foreign accent syndrome
Austrian syndrome
Nasodigitoacoustic syndrome
Motion sickness
Heart-hand syndromes
Reynolds syndrome
Vitreous touch syndrome
Space adaptation syndrome