Accepted Manuscript Longitudinal study of cognitive and cerebral metabolic changes in Parkinson's disease Toru Baba, Yoshiyuki Hosokai, Yoshiyuki Nishio, Akio Kikuchi, Kazumi Hirayama, Kyoko Suzuki, Takafumi Hasegawa, Masashi Aoki, Atsushi Takeda, Etsuro Mori PII: S0022-510X(16)30771-7 DOI: doi: 10.1016/j.jns.2016.11.068 Reference: JNS 14980 To appear in: Journal of the Neurological Sciences Received date: 12 February 2016 Revised date: 29 October 2016 Accepted date: 28 November 2016 Please cite this article as: Toru Baba, Yoshiyuki Hosokai, Yoshiyuki Nishio, Akio Kikuchi, Kazumi Hirayama, Kyoko Suzuki, Takafumi Hasegawa, Masashi Aoki, Atsushi Takeda, Etsuro Mori , Longitudinal study of cognitive and cerebral metabolic changes in Parkinson's disease. The address for the corresponding author was captured as affiliation for all authors. Please check if appropriate. Jns(2016), doi: 10.1016/j.jns.2016.11.068 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.