Camicioli R, Howieson D, Oken B, Sexton G, Kaye J: Motor slowing precedes cognitive impairment in the oldest old. Neurology 1998, 50: 1496-1498.
Article
CAS
PubMed
Google Scholar
Allan LM, Ballard CG, Burn DJ, Kenny RA: Prevalence and severity of gait disorders in Alzheimer's and non-Alzheimer's dementias. J Am Geriatr Soc 2005, 53: 1681-1687.
Article
PubMed
Google Scholar
Holtzer R, Verghese J, Xue X, Lipton RB: Cognitive processes related to gait velocity: results from the Einstein Aging Study. Neuropsychology 2006, 20: 215-223. 10.1037/0894-4105.20.2.215
Article
PubMed
Google Scholar
Pettersson AF, Olsson E, Wahlund LO: Motor function in subjects with mild cognitive impairment and early Alzheimer's disease. Dement Geriatr Cogn Disord 2005, 19: 299-304. 10.1159/000084555
Article
CAS
PubMed
Google Scholar
van Iersel MB, Hoefsloot W, Munneke M, Bloem BR, Olde Rikkert MG: Systematic review of quantitative clinical gait analysis in patients with dementia. Z Gerontol Geriatr 2004, 37: 27-32. 10.1007/s00391-004-0176-7
Article
CAS
PubMed
Google Scholar
Alexander NB: Gait disorders in older adults. J Am Geriatr Soc 1996, 44: 434-451.
Article
CAS
PubMed
Google Scholar
Woollacott M, Shumway-Cook A: Attention and the control of posture and gait: a review of an emerging area of research. Gait Posture 2002, 16: 1-14. 10.1016/S0966-6362(01)00156-4
Article
PubMed
Google Scholar
Lundin-Olsson L, Nyberg L, Gustafson Y: "Stops walking when talking" as a predictor of falls in elderly people. Lancet 1997, 349: 617. 10.1016/S0140-6736(97)24009-2
Article
CAS
PubMed
Google Scholar
Bilney B, Morris M, Webster K: Concurrent related validity of the GAITRite walkway system for quantification of the spatial and temporal parameters of gait. Gait Posture 2003, 17: 68-74. 10.1016/S0966-6362(02)00053-X
Article
PubMed
Google Scholar
Cutlip RG, Mancinelli C, Huber F, DiPasquale J: Evaluation of an instrumented walkway for measurement of the kinematic parameters of gait. Gait Posture 2000, 12: 134-138. 10.1016/S0966-6362(00)00062-X
Article
CAS
PubMed
Google Scholar
Menz HB, Latt MD, Tiedemann A, Mun SK, Lord SR: Reliability of the GAITRite walkway system for the quantification of temporo-spatial parameters of gait in young and older people. Gait Posture 2004, 20: 20-25. 10.1016/S0966-6362(03)00068-7
Article
PubMed
Google Scholar
Petersen RC, Smith GE, Waring SC, Ivnik RJ, Tangalos EG, Kokmen E: Mild cognitive impairment: clinical characterization and outcome. Arch Neurol 1999, 56: 303-308. 10.1001/archneur.56.3.303
Article
CAS
PubMed
Google Scholar
American Psychiatric, Association: Diagnostic and Statistical Manual of Mental Disorders (Text Revision; [DSV-IV-TR]). Washington, DC 4th edition. 2000.
Google Scholar
Lawton MP, Brody EM: Assessment of older people: self-maintaining and instrumental activities of daily living. Gerontologist 1969, 9: 179-186.
Article
CAS
PubMed
Google Scholar
Morris JC: The Clinical Dementia Rating (CDR): current version and scoring rules. Neurology 1993, 43: 2412-2414. 10.1111/j.1532-5415.2005.53433_4.x
Article
CAS
PubMed
Google Scholar
van Iersel MB, Haitsma A, Olde Rikkert MG, Benraad CE: Quantitative gait analysis to detect gait disorders in geriatric patients with depression. J Am Geriatr Soc 2005, 53: 1441-1442. 10.1016/0022-3956(75)90026-6
Article
PubMed
Google Scholar
Folstein MF, Folstein SE, McHugh PR: "Mini-mental state". A practical method for grading the cognitive state of patients for the clinician. J Psychiatr Res 1975, 12: 189-198. 10.1111/j.1532-5415.2005.53221.x
Article
CAS
PubMed
Google Scholar
Nasreddine ZS, Phillips NA, Bedirian V, Charbonneau S, Whitehead V, Collin I, et al.: The Montreal Cognitive Assessment, MoCA: a brief screening tool for mild cognitive impairment. J Am Geriatr Soc 2005, 53: 695-699. 10.1002/sim.4780060404
Article
PubMed
Google Scholar
Donner A, Eliasziw M: Sample size requirements for reliability studies. Stat Med 1987, 6: 441-448. 10.1111/j.1532-5415.2007.01130.x
Article
CAS
PubMed
Google Scholar
van Iersel MB, Benraad CE, Rikkert MG: Validity and reliability of quantitative gait analysis in geriatric patients with and without dementia. J Am Geriatr Soc 2007, 55: 632-634. 10.1136/jnnp.2006.106914
Article
PubMed
Google Scholar
Verghese J, Wang C, Lipton RB, Holtzer R, Xue X: Quantitative gait dysfunction and risk of cognitive decline and dementia. J Neurol Neurosurg Psychiatry 2007, 78: 929-935. 10.1093/brain/117.4.715
Article
PubMed Central
PubMed
Google Scholar
Hittmair-Delazer M, Semenza C, Denes G: Concepts and facts in calculation. Brain 1994,117(Pt 4):715-728. 10.1016/j.apmr.2006.10.007
Article
PubMed
Google Scholar
Verghese J, Kuslansky G, Holtzer R, Katz M, Xue X, Buschke H, et al.: Walking while talking: effect of task prioritization in the elderly. Arch Phys Med Rehabil 2007, 88: 50-53. 10.1002/mds.21720
Article
PubMed Central
PubMed
Google Scholar
Yogev-Seligmann G, Hausdorff JM, Giladi N: The role of executive function and attention in gait. Mov Disord 2008, 23: 329-342. 10.1186/1743-0003-2-19
Article
PubMed
Google Scholar
Hausdorff JM: Gait variability: methods, modeling and meaning. J Neuroengineering Rehabil 2005, 2: 19. 10.1037/1040-3590.6.4.284
Article
PubMed Central
Google Scholar
Cicchetti DV: Guidelines, criteria, and rules of thumb for evaluating normed and standardized assessment instruments in psychology. Psychological Assessment 1994, 6: 284-290. 10.1093/ageing/18.5.327
Article
Google Scholar
Bendall MJ, Bassey EJ, Pearson MB: Factors affecting walking speed of elderly people. Age Ageing 1989, 18: 327-332. 10.1186/1471-2474-5-13
Article
CAS
PubMed
Google Scholar
van Uden CJ, Besser MP: Test-retest reliability of temporal and spatial gait characteristics measured with an instrumented walkway system (GAITRite). BMC Musculoskelet Disord 2004, 5: 13. 10.1046/j.1532-5415.2003.51468.x
Article
PubMed Central
PubMed
Google Scholar
Bootsma-van der Wiel A, Gussekloo J, de Craen AJ, van Exel E, Bloem BR, Westendorp RG: Walking and talking as predictors of falls in the general population: the Leiden 85-Plus Study. J Am Geriatr Soc 2003, 51: 1466-1471. 10.1046/j.1532-5415.2003.51516.x
Article
PubMed
Google Scholar
Sheridan PL, Solomont J, Kowall N, Hausdorff JM: Influence of executive function on locomotor function: divided attention increases gait variability in Alzheimer's disease. J Am Geriatr Soc 2003, 51: 1633-1637. 10.1002/mds.20848
Article
PubMed
Google Scholar
Springer S, Giladi N, Peretz C, Yogev G, Simon ES, Hausdorff JM: Dual-tasking effects on gait variability: the role of aging, falls, and executive function. Mov Disord 2006, 21: 950-957. 10.1007/s00221-005-2280-3
Article
PubMed
Google Scholar
Hausdorff JM, Yogev G, Springer S, Simon ES, Giladi N: Walking is more like catching than tapping: gait in the elderly as a complex cognitive task. Exp Brain Res 2005, 164: 541-548. 10.1093/cercor/7.1.63
Article
PubMed
Google Scholar
Chao LL, Knight RT: Prefrontal deficits in attention and inhibitory control with aging. Cereb Cortex 1997, 7: 63-69. 10.1093/cercor/7.5.465
Article
CAS
PubMed
Google Scholar
Klingberg T, O'Sullivan BT, Roland PE: Bilateral activation of fronto-parietal networks by incrementing demand in a working memory task. Cereb Cortex 1997, 7: 465-471. full_text
Article
CAS
PubMed
Google Scholar
Klingberg T: Limitations in information processing in the human brain: neuroimaging of dual task performance and working memory tasks. Prog Brain Res 2000, 126: 95-102.
Article
CAS
PubMed
Google Scholar