3. Young Onset Dementia

How Much Diagnostic Testing is Enough?

  1. Joseph F. Quinn MD
  1. Anahita Adeli and and
  2. Keith A. Josephs

Published Online: 25 OCT 2013

DOI: 10.1002/9781118656082.ch3



How to Cite

Quinn, J. F. (2013) Young Onset Dementia, in Dementia, John Wiley & Sons Ltd, Oxford. doi: 10.1002/9781118656082.ch3

Author Information

  1. Department of Neurology, Oregon Health and Science University, Portland VA Medical Center, Portland, OR, USA

Author Information

  1. Divisions of Behavioral Neurology and Movement Disorders, Department of Neurology, USA

Publication History

  1. Published Online: 25 OCT 2013
  2. Published Print: 13 NOV 2013

ISBN Information

Print ISBN: 9780470674246

Online ISBN: 9781118656082



  • dementia;
  • young-onset;
  • early-onset;
  • presenile dementia;
  • cognitive impairment;
  • familial;
  • investigation


Dementia in individuals less than 65 years, traditionally referred to as young-onset dementia, encompasses a considerably wider differential than in older individuals with dementia and includes familial and sporadic disorders. Given the devastating impact young-onset dementia has on an individual and family, a thorough investigation is warranted. Determining the precise etiology can be quite the diagnostic feat, however, it can be accomplished using a methodical approach.