Boeve BF

Dickson DW

Duda JE

Ferman TJ

Galasko DR

Galvin JE

Goldman JG

Growdon JH

Hurtig HI

Kantarci K

Kaufer DI

Leverenz JB

Lippa CF

Lopez OL

McKeith IG

Singleton AB

Taylor A

Tsuang D

Weintraub D

Zabetian CP

As members of the Lewy Body Dementia Association Scientific Advisory Council, we aim to address some of the issues raised in the article titled Time to Redefine PD? Introductory Statement of the MDS Task Force on the Definition of Parkinson\u27s Disease. In particular, we suggest that the 1-year rule distinguishing Parkinson\u27s disease dementia from dementia with Lewy bodies is worth maintaining because it serves an important purpose in clinical practice and clinical and basic science research and when helping the lay community understand the complexity of these different clinical phenotypes. Furthermore, we believe that adding an additional diagnostic label, PD (dementia with Lewy bodies subtype), will confuse rather than clarify the distinction between dementia with Lewy bodies and PD or PD dementia, and will not improve management or expedite therapeutic development. We present arguments supporting our contentions. (c) 2016 The Authors. Movement Disorders published by Wiley Periodicals, Inc. on behalf of International Parkinson and Movement Disorder Society

Newcastle University E-Prints

Arguing against the proposed definition changes of PD

Arguing against the proposed definition changes of PD

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