PERFORM Publications

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Title		Authors	PubMed ID
1	Probing cognitive reserve with resting state functional connectivity in subcortical ischemic vascular cognitive impairment	Gu Y; Hsu CL; Boa Sorte Silva NC; Tam RC; Alkeridy WA; Lam K; Liu-Ambrose T;	41929984 HKAP
2	Resistance training and subcortical vascular cognitive impairment: A 12-month randomized trial	Liu-Ambrose T; Falck RS; Dao E; Crockett RA; Barha CK; Silva NCBS; Alkeridy WA; Best JR; Hsiung GR; Field TS; Madden KM; Davis JC; Ten Brinke LF; Tam RC;	41795685 HKAP
3	The effect of hearing ability on dual-task performance following multi-domain training in older adults with mild cognitive impairment: findings from the SYNERGIC trial	Downey RI; Petersen BJ; Mohanathas N; Campos JL; Montero-Odasso M; Bherer L; Pichora-Fuller MK; Bray NW; Burhan AM; Camicioli R; Fraser S; Liu-Ambrose T; Lussier M; Middleton LE; Pieruccini-Faria F; Phillips NA; Li KZH;	41694460 SOH
4	Intra-individual variability in cognitive performance predicts falls in older adults with chronic stroke	Dimri V; Davis JC; Boa Sorte Silva NC; Balbim GM; Eng JJ; Liu-Ambrose T;	41474479 HKAP
5	Dementia Care Research and Psychosocial Factors	Mancor E; Montero-Odasso M; Bherer L; Almeida QJ; Liu-Ambrose T; Middleton LE; Camicioli R; Li K;	41448628 CONCORDIA
6	Clinical Manifestations	Gagnon C; Montero-Odasso M; Zou G; Speechley MR; Almeida QJ; Liu-Ambrose T; Middleton LE; Camicioli R; Bray NW; Li K; Fraser S; Pieruccini-Faria F; Burhan AM; Berryman N; Lussier M; Son S; Shoemaker JK; Bherer L;	41447475 CONCORDIA
7	Developing Topics	Silva NCBS; Stein RG; Gu Y; Hsu CL; Tam RC; Salluzzi M; McCreary CR; Alkeridy WA; Lam K; MacKay AL; Kolind S; Cossette B; Griffith LE; Hogan DB; McMillan JM; Raina P; Smith EE; Liu-Ambrose T;	41434542 CONCORDIA
8	Public Health	Silva NCBS; Balbim GM; Stein RG; Gu Y; Tam RC; Dao E; Alkeridy WA; Kramer AF; Liu-Ambrose T;	41435075 CONCORDIA
9	Public Health	Pieruccini-Faria F; Son S; Liu-Ambrose T; Burhan AM; Almeida QJ; Middleton LE; Li K; Fraser S; Bherer L; Montero-Odasso M;	41435121 CONCORDIA
10	Synergistic effects of exercise, cognitive training and vitamin D on gait performance and falls in mild cognitive impairment-secondary outcomes from the SYNERGIC trial	Pieruccini-Faria F; Son S; Zou G; Almeida QJ; Middleton LE; Bray NW; Lussier M; Shoemaker JK; Speechley M; Liu-Ambrose T; Burhan AM; Camicioli R; Li KZH; Fraser S; Berryman N; Bherer L; Montero-Odasso M;	40966614 SOH
11	24-hour activity cycle behaviors and gray matter volume in mild cognitive impairment	Balbim GM; Boa Sorte Silva NC; Falck RS; Kramer AF; Voss MW; Liu-Ambrose T;	40693459 HKAP
12	Physical activity may protect myelin via modulation of high-density lipoprotein	Boa Sorte Silva NC; Balbim GM; Stein RG; Gu Y; Tam RC; Dao E; Alkeridy W; Lam K; Kramer AF; Liu-Ambrose T;	39989020 HKAP
13	Effects of Exercise Alone or Combined With Cognitive Training and Vitamin D Supplementation to Improve Cognition in Adults With Mild Cognitive Impairment: A Randomized Clinical Trial	Montero-Odasso M; Zou G; Speechley M; Almeida QJ; Liu-Ambrose T; Middleton LE; Camicioli R; Bray NW; Li KZH; Fraser S; Pieruccini-Faria F; Berryman N; Lussier M; Shoemaker JK; Son S; Bherer L;	37471089 PERFORM
14	Guidelines for Gait Assessments in the Canadian Consortium on Neurodegeneration in Aging (CCNA).	Cullen S, Montero-Odasso M, Bherer L, Almeida Q, Fraser S, Muir-Hunter S, Li K, Liu-Ambrose T, McGibbon CA, McIlroy W, Middleton LE, Sarquis-Adamson Y, Beauchet O, McFadyen BJ, Morais JA, Camicioli R, Canadian Gait and Cognition Network	29977431 ENCS
15	SYNERGIC TRIAL (SYNchronizing Exercises, Remedies in Gait and Cognition) a multi-Centre randomized controlled double blind trial to improve gait and cognition in mild cognitive impairment.	Montero-Odasso M, Almeida QJ, Burhan AM, Camicioli R, Doyon J, Fraser S, Li K, Liu-Ambrose T, Middleton L, Muir-Hunter S, McIlroy W, Morais JA, Pieruccini-Faria F, Shoemaker K, Speechley M, Vasudev A, Zou GY, Berryman N, Lussier M, Vanderhaeghe L, Bherer L	29661156 PERFORM
16	Consensus on Shared Measures of Mobility and Cognition: From the Canadian Consortium on Neurodegeneration in Aging (CCNA).	Montero-Odasso M, Almeida QJ, Bherer L, Burhan AM, Camicioli R, Doyon J, Fraser S, Muir-Hunter S, Li KZH, Liu-Ambrose T, McIlroy W, Middleton L, Morais JA, Sakurai R, Speechley M, Vasudev A, Beauchet O, Hausdorff JM, Rosano C, Studenski S, Verghese J, Canadian Gait and Cognition Network	30101279 PERFORM
17	Brain gray matter volume associations with gait speed and related structural covariance networks in cognitively healthy individuals and in patients with mild cognitive impairment: A cross-sectional study.	Beauchet O, Montembeault M, Barden JM, Szturm T, Bherer L, Liu-Ambrose T, Chester VL, Li K, Helbostad JL, Allali G, Canadian Gait Consortium	31075383 PSYCHOLOGY
18	A review of the effects of physical activity and exercise on cognitive and brain functions in older adults.	Bherer L, Erickson KI, Liu-Ambrose T	24102028 PERFORM
19	Physical exercise and brain functions in older adults.	Bherer L, Erickson KI, Liu-Ambrose T	24163767 PERFORM
20	Anti-Dementia Drugs, Gait Performance and Mental Imagery of Gait: A Non-Randomized Open-Label Trial.	Beauchet O, Barden J, Liu-Ambrose T, Chester VL, Annweiler C, Szturm T, Grenier S, Léonard G, Bherer L, Allali G, Canadian Gait Consortium	27568453 PERFORM
21	Association Between Falls and Brain Subvolumes: Results from a Cross-Sectional Analysis in Healthy Older Adults.	Beauchet O, Launay CP, Barden J, Liu-Ambrose T, Chester VL, Szturm T, Grenier S, Léonard G, Bherer L, Annweiler C, Helbostad JL, Verghese J, Allali G, Biomathics and Canadian Gait Consortium	27785698 PERFORM

Title:	Association Between Falls and Brain Subvolumes: Results from a Cross-Sectional Analysis in Healthy Older Adults.
Authors:	Beauchet O, Launay CP, Barden J, Liu-Ambrose T, Chester VL, Szturm T, Grenier S, Léonard G, Bherer L, Annweiler C, Helbostad JL, Verghese J, Allali G, Biomathics and Canadian Gait Consortium
Link:	https://www.ncbi.nlm.nih.gov/pubmed/27785698?dopt=Abstract
DOI:	10.1007/s10548-016-0533-z
Publication:	Brain topography
Keywords:	Brain volume; Fall; Magnetic resonance imaging; Motor control; Older adults;
PMID:	27785698	Category:	Brain Topogr	Date Added:	2019-04-15
Dept Affiliation:	PERFORM 1 Division of Geriatric Medicine, Department of Medicine, Sir Mortimer B. Davis - Jewish General Hospital and Lady Davis Institute for Medical Research, McGill University, Montreal, QC, Canada. Olivier.beauchet@mcgill.ca. 2 Dr. Joseph Kaufmann Chair in Geriatric Medicine, Faculty of Medicine, McGill University, Montreal, QC, Canada. Olivier.beauchet@mcgill.ca. 3 Centre of Excellence on Aging and Chronic Diseases of McGill Integrated University Health Network, Montreal, QC, Canada. Olivier.beauchet@mcgill.ca. 4 Division of Geriatric Medicine, Department of Neuroscience, Angers University Hospital, Angers, France. 5 University Memory Clinic of Angers, Angers, France. 6 UPRES EA 4638, University of Angers, UNAM, Angers, France. 7 Neuromechanical Research Centre, Faculty of Kinesiology and Health Studies, University of Regina, Regina, SK, Canada. 8 Aging, Mobility and Cognitive Neuroscience Laboratory, Department of Physical Therapy, Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada. 9 Andrew and Marjorie McCain Human Performance Laboratory, Richard J. Currie Center, Faculty of Kinesiology, University of New Brunswick, Fredericton, NB, Canada. 10 Department of Physical Therapy, College of Rehabilitation Sciences, University of Manitoba, Winnipeg, MB, Canada. 11 Centre de recherche, Institut universitaire de gériatrie de Montréal (CRIUGM), Montréal, QUÉBEC, Canada. 12 Research Center on Aging, Institut universitaire de gériatrie de Sherbrooke (IUGS), Sherbrooke, QUÉBEC, Canada. 13 PERFORM Centre and Department of Psychology, Concordia University, Montreal, QC, Canada. 14 Department of Neuroscience, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway. 15 Division of Cognitive & Motor Aging, Department of Neurology, Albert Einstein College of Medicine, Yeshiva University, Bronx, NY, USA. 16 Department of Neurology, Geneva University Hospital and University of Geneva, Geneva, Switzerland.

Description:

Association Between Falls and Brain Subvolumes: Results from a Cross-Sectional Analysis in Healthy Older Adults.

Brain Topogr. 2017 03;30(2):272-280

Authors: Beauchet O, Launay CP, Barden J, Liu-Ambrose T, Chester VL, Szturm T, Grenier S, Léonard G, Bherer L, Annweiler C, Helbostad JL, Verghese J, Allali G, Biomathics and Canadian Gait Consortium

Abstract

Falls are a consequence of gait instability. Cortical and subcortical abnormalities have been associated with gait instability but not yet with falls. This study aims to compare the global and regional brain subvolumes between healthy older fallers and non-fallers. A total of 77 healthy older individuals (23 fallers and 54 non-fallers, 69.8 ± 3.5 years; 45.5 % female) were included in this study using a cross-sectional design. Based on an a priori hypothesis, the following brain subvolumes were quantified from three-dimensional T1-weighted MRI using FreeSurfer software: total white matter abnormalities, total white matter, total cortical and subcortical gray matter, hippocampus, motor cortex, somatosensory cortex, premotor cortex, prefrontal cortex and parietal cortex volumes. Gait performances were also recorded. Age, sex, body mass index, comorbidities, use of psychoactive drugs, far-distance visual acuity, lower-limb proprioception, depressive symptoms and cognitive scores (Mini-Mental State Examination, Frontal Assessment Battery) were used as covariates. Fallers have more frequently depressive symptoms (P = 0.048), a lower far distance visual acuity (P = 0.026) and a higher coefficient of variation of stride time (P = 0.008) compared to non-fallers. There was a trend to greater subvolumes for the somatosensory cortex (P = 0.093) and the hippocampus (P = 0.060) in the falls group. Multiple logistic regressions showed that subvolumes of the somatosensory cortex and the hippocampus (P < 0.042) were increased in fallers compared to non-fallers, even after adjustment for clinical and brain characteristics. The greater subvolumes of the somatosensory cortex and hippocampus reported in fallers compared to non-fallers suggests a possible brain compensatory mechanism involving spatial navigation and integration of sensory information.

PMID: 27785698 [PubMed - indexed for MEDLINE]

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