Erratum to: J Neural Transm (2014) 121:793–796 DOI 10.1007/s00702-014-1250-y

In the original version of this paper, the last name of the first author was incorrectly handled. For this reason, although the name appears correctly in the actual paper as published, it has been incorrectly referenced in abstract and indexing services as “ML Teichberg”. It should read “M. Levite Teichberg”.