PERFORM Publications

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Title		Authors	PubMed ID
1	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
2	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
3	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
4	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
5	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
6	Synergistic effects of cognitive training and physical exercise on dual-task performance in older adults	Bherer L; Gagnon C; Langeard A; Lussier M; Desjardins-Crépeau L; Berryman N; Bosquet L; Vu TTM; Fraser S; Li KZH; Kramer AF;	32803232 PERFORM
7	Ageism and COVID-19: What does our society's response say about us?	Fraser S, Lagacé M, Bongué B, Ndeye N, Guyot J, Bechard L, Garcia L, Taler V, CCNA Social Inclusion and Stigma Working Group, Adam S, Beaulieu M, Bergeron CD, Boudjemadi V, Desmette D, Donizzetti AR, Éthier S, Garon S, Gillis M, Levasseur M, Lortie-Lussier M, Marier P, Robitaille A, Sawchuk K, Lafontaine C, Tougas F	32377666 PSYCHOLOGY
8	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
9	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
10	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
11	Age-related decline in divided-attention: from theoretical lab research to practical real-life situations.	Fraser S, Bherer L	26304268 PERFORM
12	The relationship between exercise intensity, cerebral oxygenation and cognitive performance in young adults.	Mekari S, Fraser S, Bosquet L, Bonnéry C, Labelle V, Pouliot P, Lesage F, Bherer L	26063061 PERFORM
13	Cerebral Hemodynamics During Exercise and Recovery in Heart Transplant Recipients.	Gayda M, Desjardins A, Lapierre G, Dupuy O, Fraser S, Bherer L, Juneau M, White M, Gremeaux V, Labelle V, Nigam A	26577897 PERFORM

Title:	The relationship between exercise intensity, cerebral oxygenation and cognitive performance in young adults.
Authors:	Mekari S, Fraser S, Bosquet L, Bonnéry C, Labelle V, Pouliot P, Lesage F, Bherer L
Link:	https://www.ncbi.nlm.nih.gov/pubmed/26063061?dopt=Abstract
DOI:	10.1007/s00421-015-3199-4
Publication:	European journal of applied physiology
Keywords:	Cerebral HbO2; Hyperventilation; Near-infrared spectroscopy; Peak power output; Reaction time;
PMID:	26063061	Category:	Eur J Appl Physiol	Date Added:	2019-04-15
Dept Affiliation:	PERFORM 1 Centre de Recherche, Institut Universitaire de Gériatrie de Montréal, Laboratoire LESCA, 4565, Chemin Queen-Mary, Montréal, H3W 1W5, QC, Canada. said.mekary@gmail.com. 2 Département de Kinésiologie, Université de Montréal, CP 6128, succ. Centre-ville, Montréal, H3C 3J7, QC, Canada. said.mekary@gmail.com. 3 Centre de Recherche, Institut Universitaire de Gériatrie de Montréal, Laboratoire LESCA, 4565, Chemin Queen-Mary, Montréal, H3W 1W5, QC, Canada. 4 Département de Psychologie, Université de Québec à Montreal, C.P. 8888 succ. Centre-ville, Montréal, H3C 3P8, QC, Canada. 5 Département de Kinésiologie, Université de Montréal, CP 6128, succ. Centre-ville, Montréal, H3C 3J7, QC, Canada. 6 Faculté des Sciences du Sport, Laboratoire MOVE (EA 6314), Université de Poitiers, 8, allée Jean Monnet, 86000, Poitiers, France. 7 Département de Génie Biomédical, École Polytechnique, CP 6079, succ. Centre-ville, Montréal, H3C 3A7, QC, Canada. 8 Centre de recherche, Institut de Cardiologie de Montréal, 5000, rue Bélanger, Montréal, H1T 1C8, QC, Canada. 9 PERFORM Centre, Concordia University, 7200 Sherbrooke St. W., Montreal, QC, H4B 1R6, Canada.

Description:

The relationship between exercise intensity, cerebral oxygenation and cognitive performance in young adults.

Eur J Appl Physiol. 2015 Oct;115(10):2189-97

Authors: Mekari S, Fraser S, Bosquet L, Bonnéry C, Labelle V, Pouliot P, Lesage F, Bherer L

Abstract

PURPOSE: To assess the relationship between exercise intensity, cerebral HbO2 and cognitive performance (Executive and non-Executive) in young adults.

METHODS: We measured reaction time (RT) and accuracy, during a computerized Stroop task, in 19 young adults (7 males and 12 females). Their mean ± SD age, height, body mass and body mass index (BMI) were 24 ± 4 years, 1.67 ± 0.07 m, 72 ± 14 kg and 25 ± 3 kg m(-2), respectively. Each subject performed the Stroop task at rest and during cycling at exercise of low intensity [40% of peak power output (PPO)], moderate intensity (60% of PPO) and high intensity (85% of PPO). Cerebral oxygenation was monitored during the resting and exercise conditions over the prefrontal cortex (PFC) using near-infrared spectroscopy (NIRS).

RESULTS: High-intensity exercise slowed RT in both the Naming (p = 0.04) and the Executive condition (p = 0.04). The analysis also revealed that high-intensity exercise was associated with a decreased accuracy when compared to low-intensity exercise (p = 0.021). Neuroimaging results confirm a decrease of cerebral oxygenation during high-intensity exercise in comparison to low- (p = 0.004) and moderate-intensity exercise (p = 0.003). Correlations revealed that a lower cerebral HbO2 in the prefrontal cortex was associated with slower RT in the Executive condition only (p = 0.04, g = -0.72).

CONCLUSION: Results of the present study suggest that low to moderate exercise intensity does not alter Executive functioning, but that exercise impairs cognitive functions (Executive and non-Executive) when the physical workload becomes heavy. The cerebral HbO2 correlation suggests that a lower availability of HbO2 was associated with slower RT in the Executive condition only.

PMID: 26063061 [PubMed - indexed for MEDLINE]

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