Research Topics
| Louis BhererSummaryCountry: Canada Publications
| Collaborators
|
Detail Information
Publications
Testing the limits of cognitive plasticity in older adults: application to attentional controlLouis Bherer
Department of Psychology, Université du Québec à Montréal and Research Centre, Institut Universitaire de Geriatrie de Montreal, Case Postale 8888, Succursale Centre Ville, Montreal, Quebec, Canada H3C 3P8
Acta Psychol (Amst) 123:261-78. 2006..Improvement was equivalent among age groups in response speed and performance variability but larger in response accuracy for older adults. The results suggest that time-sharing skills can be substantially improved in older adults...- Age-related differences in response preparation: the role of time uncertaintyLouis Bherer
Research Centre, Institut Universitaire de Geriatrie de Montreal
J Gerontol B Psychol Sci Soc Sci 59:P66-74. 2004..These findings suggest that older adults do not prepare as well as younger adults for unlikely events and that time uncertainty affects age-related differences in response preparation... 
Transfer effects in task-set cost and dual-task cost after dual-task training in older and younger adults: further evidence for cognitive plasticity in attentional control in late adulthoodLouis Bherer
Department of Psychology, University of Quebec at Montreal and Institut Universitaire de Geriatrie de Montreal, Montreal, Quebec, Canada
Exp Aging Res 34:188-219. 2008..These results suggest that dual-task skills can be substantially improved in older adults and that cognitive plasticity in attentional control is still possible in old age...- Age-related differences in timing with breaksLouis Bherer
Departement de Psychologie, Universite du Quebec a Montreal UQAM, Montreal, PQ, Canada
Psychol Aging 22:398-403. 2007..These results suggest that performance of older participants is affected by attention sharing and preparation involved in timing with breaks... - [Executive function deficits in normal aging, Alzheimer's disease, and frontotemporal dementia]Louis Bherer
Centre de Recherche, Institut Universitaire de Geriatrie de Montreal
Psychol Neuropsychiatr Vieil 2:181-9. 2004..These models are therefore particularly relevant to address issues stemming from aging... - Training effects on dual-task performance: are there age-related differences in plasticity of attentional control?Louis Bherer
Department of Psychology, University of Quebec at Montreal, Montreal, PQ, Canada
Psychol Aging 20:695-709. 2005..Moreover, the improvement in performance generalized to new task combinations involving new stimuli. Therefore, it appears that training can substantially improve dual-task processing skills in older adults... 
Near-infrared imaging of the effects of glucose ingestion and regulation on prefrontal activation during dual-task execution in healthy fasting older adultsChristine Gagnon
Universite du Quebec a Montreal, Case Postale 8888, Succursale, Centre Ville, Montreal, QC, H3C 3P8, Canada
Behav Brain Res 232:137-47. 2012..Glucose enhancing effects in older adults have mostly been observed for episodic memory, but have recently been found for attentional control performance. Yet, brain activation patterns underlying these effects are still unknown...- The benefits of cognitive training after a coronary artery bypass graft surgeryEmilie de Tournay-Jetté
Department of Psychology, Universite du Quebec a Montreal UQAM, Case Postale 8888, Succursale Centre Ville, Montreal, QC, H3C 3P8, Canada
J Behav Med 35:557-68. 2012..It thus seems that cognitive training can be a promising tool to enhance cognitive functions after a CABG surgery... - Contribution of temporal preparation and processing speed to simple reaction time in persons with Alzheimer's disease and mild cognitive impairmentStéphanie Sylvain-Roy
Research Center, Institut Universitaire de Geriatrie de Montreal, 4565 Queen Mary, Montreal, Quebec, Canada, H3W 3W5
Brain Cogn 74:255-61. 2010..These results suggest that AD and MCI patients might show difficulty preparing for rapidly occurring events and maintaining preparation over time. This phenomenon should be considered when using reaction time measures with such patients... - Glucose regulation is associated with attentional control performances in nondiabetic older adultsChristine Gagnon
Universite du Quebec a Montreal, Montreal, QC, Canada
J Clin Exp Neuropsychol 33:972-81. 2011..05). Altogether, these results suggest that glucose regulation may transiently influence performances of metabolically healthy older adults on tasks requiring switching attention... - Task switching capacities in persons with Alzheimer's disease and mild cognitive impairmentSylvie Belleville
Research Center, Institut Universitaire de Geriatrie de Montreal, Canada
Neuropsychologia 46:2225-33. 2008..The pattern across condition is coherent with a continuum between those two clinical groups... - A high level of physical fitness is associated with more efficient response preparation in older adultsMélanie Renaud
Department of Psychology, Universite du Quebec a Montreal UQAM, Case Postale 8888, Succursale Centre Ville, Montreal, Quebec, Canada H3C 3P8
J Gerontol B Psychol Sci Soc Sci 65:317-22. 2010..Results of the present study suggest that in older adults, a high level of aerobic fitness is associated with more efficient response preparation processes... - Study of verbal working memory in patients with Parkinson's diseaseBrigitte Gilbert
Centre de Recherche, Institut Universitaire de Geriatrie de Montreal, Montreal, PQ, Canada
Neuropsychology 19:106-14. 2005..Results indicated that there is a genuine but selective working memory impairment in patients with PD... - The multiple dimensions of frailty: physical capacity, cognition, and quality of lifeFrancis Langlois
Universite du Quebec a Montreal, Montreal, Quebec, Canada
Int Psychogeriatr 24:1429-36. 2012..Yet, evidence is still lacking. The aim of this study was to compare frail and non-frail older adults on physical, cognitive, and psychological dimensions... - Quantification judgement in high functioning autism: superior or different?Louise Gagnon
Departement de Psychologie, Universite de Montreal, Canada
J Autism Dev Disord 34:679-89. 2004..Possible explanations for these results are discussed with reference to models of locally-oriented information processing in autism... - [Impact on physical fitness on cognitive aging]Mélanie Renaud
Centre de Recherche, Institut universitaire de gériatrie de Montréal et Département de psychologie, Universite du Quebec, Montreal
Psychol Neuropsychiatr Vieil 3:199-206. 2005..It thus seems that physical training could serve to enhance and maintain cognitive vitality in older adults... - Changes in diffusion path length with old age in diffuse optical tomographyClément Bonnéry
Ecole Polytechnique, Department of Electrical Engineering, C P 6079, Succursale Centre Ville, Montréal, Quebec, H3C 3A7, Canada
J Biomed Opt 17:056002. 2012..Our results, measured in the frontal cortex, show changes in DPF that are smaller than previously measured by Duncan et al. in a younger population. The origin of these changes are studied using simulations and experimental measures... - Reliability of heart rate measures used to assess post-exercise parasympathetic reactivationOlivier Dupuy
Department of Kinesiology, University of Montreal, Montreal, QC, Canada
Clin Physiol Funct Imaging 32:296-304. 2012..The aim of this study was to examine absolute and relative reliability of HRR and HRV indices used to assess postexercise cardiac parasympathetic reactivation... - Decline in executive control during acute bouts of exercise as a function of exercise intensity and fitness levelVeronique Labelle
Departement de Psychologie, Université du Québec à Montréal C P 8888 succursale Centre ville, Montreal, QC, Canada H3C 3P8 Centre de Recherche, Institut Universitaire de Geriatrie de Montreal, 4565, chemin Queen Mary Montréal, QC, Canada H3W 1W5 Electronic address
Brain Cogn 81:10-7. 2013..This suggests that acute bouts of cardiovascular exercise can momentarily alter executive control and increase performance instability in lower fit individuals... - The relationship between cerebral oxygen saturation changes and postoperative cognitive dysfunction in elderly patients after coronary artery bypass graft surgeryEmilie de Tournay-Jetté
Department of Psychology, Universite du Quebec a Montreal, Montreal, Quebec, Canada
J Cardiothorac Vasc Anesth 25:95-104. 2011.... - The effect of three months of aerobic training on response preparation in older adultsMélanie Renaud
Department of Psychology, University of Québec at Montréal Montréal, QC, Canada
Front Aging Neurosci 2:148. 2010..Moreover, enhanced ability to use the short PI was observed but only in lower fit individuals. Results of the present study suggest that improving aerobic fitness may enhance attentional control mechanisms in older adults... - The acute effects of glucose ingestion on attentional control in fasting healthy older adultsChristine Gagnon
Universite du Quebec a Montreal, Case Postale 8888, Succursale, Centre Ville, Montreal, Quebec H3C3P8, Canada
Psychopharmacology (Berl) 211:337-46. 2010..Glucose enhancing effects have been observed in older adults mainly for episodic memory, but have been under-investigated for attentional functions, which are very sensitive to aging... - The effect of three months of aerobic training on stroop performance in older adultsDavid Predovan
Centre de Recherche, Institut Universitaire de Geriatrie de Montreal, Montreal, QC, Canada H3W 1W5 Département de psychologie, Universite du Quebec a Montreal, Montreal, QC, Canada H3C 3P8
J Aging Res 2012:269815. 2012..Taken together, the results suggest that even short-term physical interventions can enhance older adults' executive functions... - A fNIRS investigation of switching and inhibition during the modified Stroop task in younger and older adultsMaude Laguë-Beauvais
Universite du Quebec a Montreal, Departement de Psychologie, C P 8888, Succursale Centre Ville, Montreal, Quebec, Canada H3C 3P8 Centre de Recherche de l Institut Universitaire de Gériatrie de Montréal, 4545 Chemin Queen Mary, Montreal, Quebec, Canada H3W 1W4
Neuroimage 64:485-95. 2013.... - An investigation of response and stimulus modality transfer effects after dual-task training in younger and olderMaxime Lussier
Department of Psychology, Université du Québec à Montréal Montreal, QC, Canada
Front Hum Neurosci 6:129. 2012..Overall, the present study supports the notion that cognitive plasticity for attentional control is preserved in late adulthood... - Efficacy of executive function interventions after stroke: a systematic reviewValérie Poulin
School of Physical and Occupational Therapy, McGill University, Montreal, Quebec, Canada
Top Stroke Rehabil 19:158-71. 2012.... - Twelve-month prevalence and correlates of subthreshold and threshold anxiety in community-dwelling older adults with cardiovascular diseasesSebastien Grenier
Centre de Recherche, Institut universitaire de gériatrie de Montréal CRIUGM, Canada
J Affect Disord 136:724-32. 2012.... - Environmental influences on cognitive and brain plasticity during agingArthur F Kramer
Beckman Institute, University of Illinois, 405 North Mathews Ave, Urbana 61801, USA
J Gerontol A Biol Sci Med Sci 59:M940-57. 2004..We also examine the literature on cognitive and physical fitness training. We conclude with a discussion of the gaps in the literature and suggestions for future research... - Neural correlates of dual-task performance after minimizing task-preparationKirk I Erickson
Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana, IL 61810, USA
Neuroimage 28:967-79. 2005..These results are discussed in relation to current conceptions of the neural correlates of dual-task performance... - Training-induced functional activation changes in dual-task processing: an FMRI studyKirk I Erickson
Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana Champaign, Urbana, IL 61810, USA
Cereb Cortex 17:192-204. 2007..These results are discussed in relation to the efficacy of training protocols for modulating attention and executive functions, dual-task processing, and fMRI correlates of plasticity... - Training-induced plasticity in older adults: effects of training on hemispheric asymmetryKirk I Erickson
University of Illinois at Urbana Champaign, Beckman Institute for Advanced Science and Technology, Department of Psychology, Urbana, IL, United States
Neurobiol Aging 28:272-83. 2007..These results provide evidence for plasticity in old age and are discussed in relation to an alternative argument for the role of reduced asymmetry in performance improvements... - Temporal preparation strategy may inflate RT deficit in patients with Parkinson's diseaseLouis Bherer
Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana Champaign, Urbana, IL 61801, USA
J Clin Exp Neuropsychol 25:1079-89. 2003..This suggests that PD patients show a different pattern of temporal response preparation and that this may contribute to their deficit on RT tasks...