Chronic exposure to excessive manganese levels can lead to a variety of psychiatric and motor disturbances, termed<unk> . Generally, exposure to ambient manganese air concentrations in excess of 5 micrograms Mn/m3 can lead to Mn-induced symptoms. In initial stages of<unk> , neurological symptoms consist of reduced response speed, irritability, mood changes, and compulsive behaviors. Upon protracted exposure symptoms are more prominent and resemble those of idiopathic Parkinson's disease, as which it is often misdiagnosed, although there are particular differences in both the symptoms; for example, the nature of the tremors, response to drugs such as levodopa, and affected portion of the basal ganglia. Symptoms are also similar to Lou Gehrig's disease and multiple sclerosis.
Manganism
Oral galvanism
Cherubism
Bruxism
Sadism
Lathyrism
Leucism
Paracelsianism