Attentional Demands Associated With Obstacle Crossing While Carrying a Load

REFERENCES

• Abernethy , B. , Hanna , A. and Plooy , A. 2002 . The attentional demands of preferred and non-preferred gait patterns . Gait and Posture , 15 : 256 – 265 .
   PubMed Web of Science ®Google Scholar
• Armstrong , D. M. 1988 . The supraspinal control of mammalian locomotion . The Journal of Physiology , 405 : 1 – 37 .
   PubMed Web of Science ®Google Scholar
• Ashley , M. J. , Gryfe , C. I. and Annies , A. 1977 . A longitudinal study of falls in an elderly population. II: Some circumstances of falling . Age and Ageing , 6 : 211 – 220 .
   PubMedGoogle Scholar
• Babinski , J. 1899 . De l’asynergie cerebelleuse [On cerebellar asynergy] . Revue Neurologique (Paris) , 7 : 806 – 816 .
   Google Scholar
• Blake , A. J. , Morgan , M. J. , Dallosso , H. , Ebrahim , S. B. J. , Arie , T. H. D. , Fentem , P. H. and Bassey , E. J. 1988 . Falls by elderly people at home: Prevalence and associated factors . Age and Ageing , 17 : 365 – 372 .
   PubMed Web of Science ®Google Scholar
• Bloem , B. R. , Valkenburg , V. V. , Slabbekoorn , M. and Willemsen , M. D. 2001 . The multiple tasks test: Development and normal strategies . Gait and Posture , 14 : 191 – 202 .
   PubMed Web of Science ®Google Scholar
• Campbell , A. J. , Borrie , M. J. , Spears , G. F. , Jackson , S. L. , Brown , J. S. and Fitzgerald , J. L. 1990 . Circumstances and consequences of falls experienced by a community population 70 years and over during a prospective study . Age and Ageing , 19 : 136 – 141 .
   PubMed Web of Science ®Google Scholar
• Chou , L. , Kaufman , K. R. , Brey , R. H. and Draganich , L. F. 2001 . Motion of the whole body's center of mass when stepping over obstacles of different heights . Gait and Posture , 13 : 17 – 26 .
   PubMed Web of Science ®Google Scholar
• Coppin , A. K. , Shumway-Cook , A. , Saczynski , J. S. , Patel , K. V. , Ble , A. , Ferrucci , L. and Guralnik , J. M. 2006 . Association of executive function and performance of dual-task physical tests among older adults: Analyses from the InChianti study . Age and Ageing , 35 : 619 – 624 .
   PubMed Web of Science ®Google Scholar
• Desmurget , M. and Grafton , S. 2000 . Forward modeling allows feedback control for fast reaching movements . Trends in Cognitive Sciences , 4 : 423 – 431 .
   PubMed Web of Science ®Google Scholar
• Dietz , V. 1992 . “ Neuronal control of stance and gait ” . In Tutorials in motor behavior II , Edited by: Stelmach , G. E. and Requin , J. 483 – 499 . New York, NY : Elsevier .
   Google Scholar
• Drew , T. 1988 . Motor cortical cell discharge during voluntary gait modification . Brain Research , 457 : 181 – 187 .
   PubMed Web of Science ®Google Scholar
• Drew , T. , Andujar , J. E. , Lajoie , K. and Yakovenko , S. 2008 . Cortical mechanisms involved in visuomotor coordination during precision walking . Brain Research Reviews , 57 : 199 – 211 .
   Google Scholar
• Ebersbach , G. , Dimitrijevic , M. R. and Poewe , W. 1995 . Influence of conpresent tasks on gait: A dual-task approach . Perceptual and Motor Skills , 81 : 107 – 113 .
   PubMed Web of Science ®Google Scholar
• Eng , J. J. , Winter , D. A. and Patla , A. E. 1994 . Strategies for recovery from a trip in early and late swing during human walking . Experimental Brain Research , 102 : 339 – 349 .
   PubMed Web of Science ®Google Scholar
• Frank , J. S. and Earl , M. 1990 . Coordination of posture and movement . Physical Therapy , 70 : 855 – 863 .
   PubMed Web of Science ®Google Scholar
• Gage , W. H. , Sleik , R. J. , Polych , M. A. , McKenzie , N. C. and Brown , L. A. 2003 . The allocation of attention during locomotion is altered by anxiety . Experimental Brain Research , 150 : 385 – 394 .
   PubMed Web of Science ®Google Scholar
• Graci , V. , Elliott , D. B. and Buckley , J. G. 2010 . Utility of peripheral visual cues in planning and controlling adaptive gait . Optometry and Vision Science , 87 : 21 – 27 .
   Google Scholar
• Harley , C. , Wilkie , R. M. and Wann , J. P. 2009 . Stepping over obstacles: Attention demands and aging . Gait and Posture , 29 : 428 – 432 .
   PubMed Web of Science ®Google Scholar
• Huang , Q. M. , Hodges , P. W. and Thorstensson , A. 2001 . Postural control of the trunk in response to lateral support surface translations during trunk movement and loading . Experimental Brain Research , 141 : 552 – 559 .
   Google Scholar
• Lajoie , K. , Andujar , J. , Pearson , K. and Drew , T. 2010 . Neurons in area 5 of the posterior parietal cortex in the cat contribute to interlimb coordination during visually guided locomotion: A role in working memory . Journal of Neurophysiology , 103 : 2234 – 2254 .
   PubMed Web of Science ®Google Scholar
• Lajoie , Y. , Teasdale , N. , Bard , C. and Fleury , M. 1993 . Attentional demands for static and dynamic equilibrium . Experimental Brain Research , 97 : 139 – 144 .
   PubMed Web of Science ®Google Scholar
• Lajoie , Y. , Teasdale , N. , Bard , C. and Fleury , M. 1996 . Upright standing and gait: Are there changes in attentional requirements related to normal aging? . Experimental Aging Research , 22 : 185 – 198 .
   PubMed Web of Science ®Google Scholar
• Marigold , D. S. and Patla , A. E. 2007 . Gaze fixation patterns for negotiating complex ground terrain . Neuroscience , 144 : 302 – 313 .
   PubMed Web of Science ®Google Scholar
• Marigold , D. S. , Weerdesteyn , V. , Patla , A. E. and Duysens , J. 2007 . Keep looking ahead? Re-direction of visual fixation does not always occur during an unpredictable obstacle avoidance task . Experimental Brain Research , 176 : 32 – 42 .
   PubMed Web of Science ®Google Scholar
• Mohagheghi , A. A. , Moraes , R. and Patla , A. E. 2004 . The effects of distant and on-line visual information on the control of approach phase and step over an obstacle during locomotion . Experimental Brain Research , 155 : 459 – 468 .
   PubMed Web of Science ®Google Scholar
• Neumann , O. 1984 . “ Automatic processing: A review of recent findings and a plea for an old theory ” . In Cognition and motor processes , Edited by: Prinz , W. and Sanders , A. F. 255 – 293 . Berlin, NY : Springer-Verlag .
   Google Scholar
• Overstall , P. W. , Exton-Smith , A. N. , Imms , F. J. and Johnson , A. L. 1977 . Falls in the elderly related to postural imbalance . British Medical Journal , 1 : 261 – 264 .
   PubMed Web of Science ®Google Scholar
• Patla , A. E. 1998 . How is human gait controlled by vision? . Ecological Psychology , 10 : 287 – 302 .
   Web of Science ®Google Scholar
• Patla , A. E. and Greig , M. 2006 . Any way you look at it, successful obstacle negotiation needs visually guided on-line foot placement regulation during the approach phase . Neuroscience Letters , 397 : 110 – 114 .
   PubMed Web of Science ®Google Scholar
• Patla , A. E. , Prentice , S. D. , Robinson , C. and Neufeld , J. 1991 . Visual control of locomotion: Strategies for changing direction and for going over obstacles . Journal of Experimental Psychology. Human perception and performance , 17 : 603 – 634 .
   PubMed Web of Science ®Google Scholar
• Patla , A. E. and Vickers , J. N. 1997 . Where and when do we look as we approach and step over an obstacle in the travel path? . Neuroreport , 9 : 3661 – 3665 .
   Google Scholar
• Patla , A. E. and Vickers , J. N. 2003 . How far ahead do we look when required to step on specific locations in the travel path during locomotion? . Experimental Brain Research , 148 : 133 – 138 .
   PubMed Web of Science ®Google Scholar
• Pavol , M. J. , Owings , T. M. , Foley , K. T. and Grabiner , M. D. 2001 . Mechanisms leading to a fall from an induced trip in healthy older adults . Journal of Gerontology A Biological Science and Medical Science , 56 : M428 – 437 .
   PubMed Web of Science ®Google Scholar
• Perry , C. J. , Kiriella , J. B. , Hawkins , K. M. , Shanahan , C. J. , Moore , A. E. and Gage , W. H. 2010 . The effects of anterior load carriage on lower limb gait parameters during obstacle clearance . Gait and Posture , 32 : 57 – 61 .
   PubMed Web of Science ®Google Scholar
• Pijnappels , M. , Bobbert , M. F. and van Dieën , J. H. 2004 . Contribution of the support limb in control of angular momentum after tripping . Journal of Biomechanics , 37 : 1811 – 1818 .
   PubMed Web of Science ®Google Scholar
• Regnaux , J. P. , Roberston , J. , Smail , D. B. , Daniel , O. and Bussel , B. 2006 . Human treadmill walking needs attention . Journal of NeuroEngineering and Rehabilitation , 3 : 19
   Google Scholar
• Rieser , J. J. and Pick , H. L. 2002 . “ The perception and representation of human locomotion ” . In Common mechanisms in perception and action: Attention and performance XIX , Edited by: Prinz , W. and Hommel , B. 177 – 193 . New York, NY : Oxford University Press .
   Google Scholar
• Rietdyk , S. , McGlothlin , J. D. , Williams , J. L. and Baria , A. T. 2005 . Proactive stability control while carrying loads and negotiating an elevated surface . Experimental Brain Research , 165 : 44 – 53 .
   Google Scholar
• Schrodt , L. A. , Mercer , V. S. , Giuliani , C. A. and Hartman , M. 2004 . Characteristics of stepping over an obstacle in community dwelling older adults under dual-task conditions . Gait and Posture , 19 : 279 – 287 .
   PubMed Web of Science ®Google Scholar
• Siu , K. C. , Catena , R. D. , Chou , L. S. , van Donkelaar , P. and Woollacott , M. H. 2008 . Effects of a secondary task on obstacle avoidance in healthy young adults . Experimental Brain Research , 184 : 115 – 120 .
   PubMed Web of Science ®Google Scholar
• Sparrow , W. A. , Bradshaw , E. J. , Lamoureux , E. and Tirosh , O. 2002 . Ageing effects on the attention demands of walking . Human Movement Science , 21 : 961 – 972 .
   PubMed Web of Science ®Google Scholar
• Teasdale , N. , Bard , C. , LaRue , J. and Fleury , M. 1993 . On the cognitive penetrability of posture control . Experimental Aging Research , 19 : 1 – 13 .
   PubMed Web of Science ®Google Scholar
• Tinetti , M. E. and Speechley , M. 1989 . Prevention of falls among the elderly . New England Journal of Medicine , 320 : 1055 – 1059 .
   PubMed Web of Science ®Google Scholar
• Weerdesteyn , V. , Schillings , A. M. , van Galen , G. P. and Duysens , J. 2003 . Distraction affects the performance of obstacle avoidance during walking . Journal of Motor Behavior , 35 : 53 – 63 .
   PubMed Web of Science ®Google Scholar
• Woodworth , R. S. 1899 . The accuracy of voluntary movement . Psychological Review , 3 ( 3 Suppl 13 ) : 1 – 119 .
   Google Scholar
• Woollacott , M. 1993 . Age-related changes in posture and movement . The Journals of Gerontology , 48 : 56 – 60 .
   PubMedGoogle Scholar
• Woollacott , M. and Shumway-Cook , A. 2002 . Attention and the control of posture and gait: A review of an emerging area of research . Gait and Posture , 16 : 1 – 14 .
   PubMed Web of Science ®Google Scholar
• Yogev-Seligmann , G. , Hausdorff , J. M. and Giladi , N. 2008 . The role of executive function and attention in gait . Movement Disorders , 23 : 329 – 342 .
   PubMed Web of Science ®Google Scholar