A randomised controlled intervention trial evaluating the efficacy of a Mediterranean dietary pattern on cognitive function and psychological wellbeing in healthy older adults: The MedLey study

BMC Geriatrics

Volumn 15, Issue 1, 2015, Pages

  Knight, Alissa ^a   Bryan, Janet ^a   Wilson, Carlene ^b   Hodgson, Jonathan ^c   Murphy, Karen ^a  

^a UNIVERSITY OF SOUTH AUSTRALIA   (Australia)

^b FLINDERS UNIVERSITY   (Australia)

^c UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

Author keywords

Age related cognitive function; Mediterranean diet; Randomised controlled trial; Study protocol

Indexed keywords

AGED; AGING; AUSTRALIA; BLOOD; COGNITION; COGNITION DISORDERS; CONTROLLED STUDY; EXECUTIVE FUNCTION; FEMALE; HUMAN; INFLAMMATION; INTELLIGENCE TEST; MALE; MEDITERRANEAN DIET; MENTAL HEALTH; NEW ZEALAND; PATHOPHYSIOLOGY; PHYSIOLOGIC MONITORING; PHYSIOLOGY; PROCEDURES; PSYCHOLOGY; RANDOMIZED CONTROLLED TRIAL; TREATMENT OUTCOME;

AGED; AGING; AUSTRALIA; COGNITION; COGNITION DISORDERS; DIET, MEDITERRANEAN; EXECUTIVE FUNCTION; FEMALE; HUMANS; INFLAMMATION; INTELLIGENCE TESTS; MALE; MENTAL HEALTH; MONITORING, PHYSIOLOGIC; NEW ZEALAND; TREATMENT OUTCOME;

EID: 84937543121     PISSN: None     EISSN: 14712318     Source Type: Journal    
DOI: 10.1186/s12877-015-0054-8     Document Type: Article

References (71)

1. Karantzoulis S, Galvin JE. Distinguishing Alzheimer's disease from other major forms of dementia. Expert Rev Neurother. 2011;11:1579-91.
2. Rodda J, Morgan S, Walker Z. Are cholinesterase inhibitors effective in the management of the behavioral and psychological symptoms of dementia in Alzheimer's disease? A systematic review of randomized, placebo-controlled trials of donepezil, rivastigmine and galantamine. Int Psychogeriatr. 2009;21:813-24.
3. Martínez-Lapiscina EH, Clavero P, Toledo E, Estruch R, Salas-Salvadó J, Julián BS, et al. Mediterranean diet improves cognition: the PREDIMED-NAVARRA randomised trial. J Neurol Neurosurg Psychiatry. 2013;84:1318-25.
4. Solfrizzi V, Frisardi V, Seripa D, Logroscino G, Imbimbo BP, D'Onofrio G, et al. Mediterranean diet in predementia and dementia syndromes. Curr Alzheimer Res. 2011;8:520-42.
5. Féart C, Samieri C, Rondeau V, Amieva H, Portet F, Dartigues JF, et al. Adherence to a Mediterranean diet, cognitive decline, and risk of dementia. JAMA. 2009;302:638-48.
6. Lourida I, Soni M, Thompson-Coon J, Purandare N, Lang IA, Ukoumunne OC, et al. Mediterranean diet, cognitive function, and dementia: A systematic review. Epidemiology. 2013;24:479-89.
7. Frisardi V, Panza F, Seripa D, Imbimboc BP, Vendemiale AP, Solfrizzi V. Nutraceutical properties of Mediterranean diet and cognitive decline: possible underlying mechanisms. J Alzheimers Dis. 2010;22:715-40.
8. Scarmeas N, Stern Y, Tang MX, Mayeux R, Luchsinger JA. Mediterranean diet and risk for Alzheimer's disease. Ann Neurol. 2006;59:912-21.
9. Tangney CC, Kwasny MJ, Li H, Wilson RS, Evans DA, Morris MC. Adherence to a Mediterranean-type dietary pattern and cognitive decline in a community population. Am J Clin Nutr. 2011;93:601-7.
10. Gu Y, Luchsinger JA, Stern Y, Scarmeas N. Mediterranean diet, inflammatory and metabolic biomarkers, and risk of Alzheimer's disease. J Alzheimers Dis. 2010;22:483-92.
11. Corley J, Starr JM, McNeill G, Deary IJ. Do dietary patterns influence cognitive function in old age? Int Psychogeriatr. 2013;25:1393-407.
12. Kesse-Guyot E, Andreeva VA, Lassale C, Ferry M, Jeandel C, Hercberg S, et al. Mediterranean diet and cognitive function: a French study. Am J Clin Nutr. 2013;97:369-76.
13. Psaltopoulou T, Kyrozis A, Stathopoulos P, Trichopoulos D, Vassilopoulos D, Trichopoulos A. Diet, physical activity and cognitive impairment among elders: the EPIC-Greece cohort (European Prospective Investigation into Cancer and Nutrition). Public Health Nutr. 2008;11:1054-62.
14. Okereke O, Samieri C, Devore E, Grodstein F. Mediterranean diet and cognitive decline in the Nurses' Health Study. Alzheimers Dement. 2012;8:448.
15. Gardener S, Gu Y, Rainey-Smith SR, Keogh JB, Clifton PM, Mathieson SL, et al. Adherence to a Mediterranean diet and Alzheimer's disease risk in an Australian population. Transl Psychiatry. 2012;2, e164.
16. Scarmeas N, Stern Y, Mayeux R, Luchsinger JA. Mediterranean Diet, Alzheimer Disease, and Vascular Mediation. Arch Neurol. 2006;63:1709-17.
17. Scarmeas N, Luchsinger JA, Mayeux R, Stern Y. Mediterranean diet and Alzheimer disease mortality. Neurology. 2007;69:1084-93.
18. Scarmeas N, Stern Y, Mayeux R, Manly JJ, Schupf N, Luchsinger JA. Mediterranean diet and mild cognitive impairment. Arch Neurol. 2009;66:216-25.
19. Cherbuin N, Anstey K. The Mediterranean diet is not related to cognitive change in a large prospective investigation: the PATH Through Life study. Am J Geriatr Psychiatry. 2012;20:635-9.
20. Samieri C, Grodstein F, Rosner BA, Kang JH, Cook NR, Manson JE, et al. Mediterranean diet and cognitive function in older age. Epidemiology. 2013;24:490-9.
21. Folstein MF, Folstein SE, McHugh PR. Mini-mental state". A practical method for grading the cognitive state of patients for the clinician. J Psychiat res. 1975;12:189-98.
22. del Ser QT, García de Yébenes MJ, Sánchez S, Frades PB, Rodríguez LA, Bartolomé Martínez MP, et al. Cognitive assessment in the elderly. Normative data of a Spanish population sample older than 70 years. Med Clin (Barc). 2004;122:727-40.
23. Glisky EL. Changes in Cognitive Function in Human Aging. In: Riddle DR, editor. Brain Aging: Models, Methods, and Mechanisms. Boca Raton (FL): CRC Press; 2007. Chapter 1.
24. Gomez-Pinilla F. Brain foods: the effects of nutrients on brain function. Nat Rev Neurosci. 2008;9:568-78.
25. Schroeter H, Spencer JP, Rice-Evans C, Williams RJ. Flavonoids protect neurons from oxidized low-density-lipoprotein-induced apoptosis involving c-Jun N-terminal kinase (JNK), c-Jun and caspase-3. Biochem J. 2001;358:547-57.
26. Morris MC, Evans DA, Bienias JL, Tangney CC, Bennett DA, Aggarwal N, et al. Dietary fats and the risk of incident Alzheimer disease. Arch Neurol-Chicago. 2003;60:194-200.
27. Sofi F, Abbate R, Gensini GF, Casini A. Accruing evidence on benefits of adherence to the Mediterranean diet on health: an updated systematic review and meta-analysis. Am J Clin Nutr. 2010;92:1189-96.
28. Bouchard-Mercier A, Rudkowska I, Lemieux S, Couture P, Vohl M. The metabolic signature associated with the Western dietary pattern: a cross-sectional study. Nutr J. 2013;12:158.
29. Yusof AS, Isa ZM, Shah SA. Dietary patterns and risk of colorectal cancer: a systematic review of cohort studies (2000-2011). Asian Pac J Cancer Prev. 2012;13:4713-7.
30. Ownby RL. Neuroinflammation and cognitive aging. Curr Psychiatry Rep. 2010;12:39-45.
31. Lovell MA, Markesbery WR. Oxidative DNA damage in mild cognitive impairment and late-stage Alzheimer's disease. Nucleic Acids Res. 2007;35:7497-504.
32. Hoyer S. The aging brain. Changes in the neuronal insulin/insulin receptor signal transduction cascade trigger late-onset sporadic Alzheimer disease (SAD). A mini-review. J Neural Transm. 2002;109:991-1002.
33. Luchsinger JA, Noble JM, Scarmeas N. Diet and Alzheimer's Disease. Curr Neurol Neurosci. 2007;7:366-72.
34. Sorond FA, Lipsitz LA, Hollenberg NK, Fisher ND. Cerebral blood flow response to flavanol-rich cocoa in healthy elderly humans. Neuropsychiatr Dis Treat. 2008;4:433-40.
35. Cuevas AM, Germain AM. Diet and endothelial function. Biol Res. 2004;37:225-30.
36. Schulz KF, Altman DG, Moher D. CONSORT 2010 Statement: updated guidelines for reporting parallel group randomised trials. J Clin Epi. 2010;63:834-40.
37. Kalbe E, Kessler J, Calabrese P, Smith R, Passmore AP, Brand M, et al. DemTect: a new, sensitive cognitive screening test to support the diagnosis of mild cognitive impairment and early dementia. Int J Geriatr Psychiatry. 2004;19:136-43.
38. Trichopoulou A, Costacou T, Bamia C, Trichopoulos D. Adherence to a Mediterranean diet and survival in a Greek population. N Engl J Med. 2003;348:2599-608.
39. Kromhout D, Keys A, Aravanis C, Buzina R, Fidanza F, Giampaoli S. Food consumption patterns in the 1960s in seven countries. Am J Clin Nutr. 1989;49(5):889-94.
40. Willett WC, Sacks F, Trichopoulou A. Mediterranean diet pyramid: a cultural model for healthy eating. Am J Clin Nutr. 1995;61(6):1402-6.
41. Itsiopoulos C, Brazionis L, Kaimakamis M, Cameron M, Best JD, Rowley K. Can the Mediterranean diet lower HbA1c in type 2 diabetes? Results from a randomized cross-over study. Nutr Metab Cardiovas. 2011;21:740-7.
42. Estruch R, Martínez-González MA, Corella D, Salas-Salvadó J, Ruiz-Gutiérrez V, Covas MI, et al. Effects of a Mediterranean-style diet on cardiovascular risk factors: a randomized trial. Ann Intern Med. 2006;145:1-11.
43. Lezak MD, Howieson DB, Loring DW. Neuropsychological assessment. 4th ed. New York: Oxford University Press; 2004.
44. Dodrill CB. A neuropsychological battery for epilepsy. Epilepsia. 1978;19:611-23.
45. Trenerry MR, Crosson B, DeBoe J, Leber WR. Stroop neuropsychological screening test manual. Odessa: Psychological Assessment Resources; 1989.
46. Weinstein M, Silverstein ML, Nader T, Finelli L. Sustained attention on a continuous performance test. Percept Motor Skill. 1999;89:1025-7.
47. Siegrist M. Test-retest reliability of different versions of the Stroop test. J Psychol. 1997;131:299-306.
48. Bryan J, Luszcz MA, Crawford JR. Verbal knowledge and speed of information processing as mediators of age differences in verbal fluency performance among older adults. Psychol Aging. 1997;12:473-8.
49. Delis DC, Kaplan E, Kramer JH. Delis-Kaplan Executive Function System (DKefs). Ocala: Harcourt Assessment; 2001.
50. Schmidt M. Rey Auditory and Verbal Learning Test: A handbook. Los Angeles: Western Psychological Services; 1996.
51. Tierney MC, Nores A, Snow WG, Fisher RH, Zorzitto ML, Reid DW. Use of the Rey Auditory Verbal Learning Test in differentiating normal aging from Alzheimer's and Parkinson's dementia. Psychol Assessment. 1994;6:129-34.
52. Knight RG, McMahon J, Green TJ, Skeaff CM. Regression equations for predicting scores of persons over 65 on the Rey Auditory Verbal Learning Test, the Mini-Mental State Examination, the Trail Making Test and semantic fluency measures. Brit J Clin Psychol. 2006;45:393-402.
53. Wechsler D. Wechsler Adult Intelligence Scale-Fourth Edition. San Antonio: Pearson; 2008.
54. Salthouse TA, Saklofske DH. Do the WAIS-IV tests meausure the same aspects of cognitive functioning in adults under and over age 65? In: Weiss L, Saklofske DH, Coalson D, Raiford SE, editors. WAIS-IV Clinical Use and Interpretation: Scientist-Practitioner Perspectives. San Diego: Academic Press; 2010. p. 217-35.
55. Sattler JM, Ryan JJ. Assessment with the WAIS-IV. San Diego: Sattler; 2009.
56. Sivan A. Benton visual retention test. 5th ed. San Antonio: The Psychological Corporation; 1992.
57. Benton AL. Revised Visual Retention Test: clinical and experimental applications. 4th ed. San Antonio: The Psychological Corporation; 1974.
58. Zonderman A, Giambra L, Arenberg D, Resnick S, Costa P, Kawas C. Changes in immediate visual memory predict cognitive impairment. Arch Clin Neuropsych. 1995;1995(10):111-23.
59. Messinis L, Lyros E, Georgiou V, Papathanasopoulos P. Benton Visual Retention Test Performance in Normal Adults and Acute Stroke Patients: Demographic Considerations, Discriminant Validity and Test-Restest Reliability. Clin Neuropsychol. 2009;23:962-97.
60. Bierman EJ, Comijs HC, Jonker C, Beekman AT. Effects of anxiety versus depression on cognition in later life. Am J Geriat Psychiat. 2005;13:686-93.
61. McEwen BS, Sapolsky RM. Stress and cognitive function. Neurobiology. 1995;5:205-16.
62. Nebes RD, Buysse DJ, Halligan EM, Houck PR, Monk TM. Self-reported sleep quality predicts poor cognitive performance in healthy older adults. J Gerontol B Psychol Sci Soc Sci. 2009;10:1-8.
63. Spielberger CD. The state trait anxiety inventory STAI form Y (test manual). Palo Alto: Consulting Psychologists Press; 1983.
64. Cohen S, Karmarck T, Mermelstein R. A global measure of perceived stress. J Health Soc Behav. 1983;24:385-96.
65. Radloff LS. The CES-D Scale: A self-report depression scale for research in the general population. Appl Psych Meas. 1977;1:385-401.
66. Parrot A, Hindmarch I. The Leeds Sleep Evaluation Questionnaire in psychopharmacological investigations - a review. Psychopharmacology. 1980;71:173-9.
67. Barnes LB, Harp D, Jung WS. Reliability generalization of scores on the Spielberger State-Trait Anxiety Inventory. Educ Psychol Meas. 2002;62:603-18.
68. Cohen S, Janicki-Deverts D. Who's stressed? Distributions of psychological stress in the United States in probability samples from 1983, 2006, and 2009. J Appl Soc Psychol. 1983;2012(42):1320-34.
69. Thombs BD, Hudson M, Schieir O, Taillefer SS, Baron M. Reliability and validity of the center for epidemiologic studies depression scale in patients with systemic sclerosis. Arthritis Rheum. 2008;59:438-43.
70. Norman GR, Sloan JA, Wyrwich KW. Interpretation of changes in health-related quality of life: the remarkable universality of half a standard deviation. Med Care. 2003;41:582-92.
71. United Nations Department of Economic and Social Affairs. World population prospects, the 2010 revision: highlights and advance tables [ http://www.un.org/en/development/desa/population/ ]