12. Chronological and Functional Ageing

  1. Mohammed T. Abou-Saleh3,
  2. Cornelius Katona4 and
  3. Anand Kumar5
  1. David Melzer1 and
  2. Iain Lang2

Published Online: 6 DEC 2010

DOI: 10.1002/9780470669600.ch12

Principles and Practice of Geriatric Psychiatry, Third Edition

Principles and Practice of Geriatric Psychiatry, Third Edition

How to Cite

Melzer, D. and Lang, I. (2010) Chronological and Functional Ageing, in Principles and Practice of Geriatric Psychiatry, Third Edition (eds M. T. Abou-Saleh, C. Katona and A. Kumar), John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470669600.ch12

Editor Information

  1. 3

    Division of Mental Health, St George's, University of London, Cranmer Terrace, London SW17 0RE, UK

  2. 4

    Department of Mental Health Sciences, University College London, Charles Bell House, 7-73 Riding House Street, London WIW 7EJ, UK

  3. 5

    Department of Psychiatry, University of Illinois-Chicago, 912 South Wood Street, Chicago, IL 60637, USA

Author Information

  1. 1

    Peninsula College of Medicine & Dentistry, Universities of Exeter and Plymouth, John Bull Building, Plymouth, PL6 8BU, UK

  2. 2

    Peninsula Medical School, University of Exeter, Plymouth, PL6 8BU, UK

Publication History

  1. Published Online: 6 DEC 2010
  2. Published Print: 17 DEC 2010

ISBN Information

Print ISBN: 9780470747230

Online ISBN: 9780470669600



  • chronological and functional ageing;
  • ageing, difficult process - to define or measure;
  • plasticity of ageing;
  • variability of ageing in humans - in single organs and in longevity and functioning of individuals;
  • identifying individual's ‘true’ age - biomarkers of ageing;
  • functional health status;
  • self-reported functioning - downward trend with age, self-report of ability to perform specific tasks;
  • factors affecting functional health status;
  • performance measures of functioning - and benchmarking function;
  • ‘compression of morbidity’60 - burden of lifetime illness, compressed into a shorter period prior to death


This chapter contains sections titled:

  • Introduction

  • The Plasticity of Ageing

  • Functional health Status

  • Long-Term Trends in Functional health Status and Policy Implications

  • References