Search Results - "Dufour, André"

Spatial navigation in normal aging and the prodromal stage of Alzheimer's disease: Insights from imaging and behavioral studies by Lithfous, Ségolène, Dufour, André, Després, Olivier

“…Highlights ► Aging and prodromal AD are associated with declines in navigational skills. ► These deficits are associated with alterations in the neural network…”
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Thermal sensitivity in the elderly: A review by Guergova, Slava, Dufour, André

“…Abstract Aging is associated with a progressive decrease in thermal perception, as revealed by increased thermal detection thresholds in the elderly. This…”
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What do we know about aging and spatial cognition? Reviews and perspectives by Klencklen, Giuliana, Després, Olivier, Dufour, André

“…Highlights ► Visuospatial perception, image maintenance and image scanning are relatively well preserved with age. ► Image generation, rotation and metric…”
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Test–retest and inter‐rater reliability of two devices measuring tactile mechanical detection thresholds in healthy adults: Semmes–Weinstein monofilaments and the cutaneous mechanical stimulator by Mamino, Elisa, Lithfous, Ségolène, Pebayle, Thierry, Dufour, André, Després, Olivier

“…Introduction/Aims Limitations exist in evaluating mechanical detection thresholds (MDTs) due to a lack of dependable electronic instruments designed to assess…”
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Thermal sensitivity in humans at the depth of thermal receptor endings beneath the skin: validation of a heat transfer model of the skin using high-temporal resolution stimuli by Dufour, André, Després, Olivier, Pebayle, Thierry, Lithfous, Ségolène

“…Purpose The bioheat transfer equation predicts temperature distribution in living tissues such as the skin. This study aimed at psychophysically validating…”
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Interaction between local blood flow and tolerance to prolonged pain in the elderly by Devanne, Julia, Dufour, André, Després, Olivier, Pebayle, Thierry, Lithfous, Ségolène

“…Purpose We aimed to explore the link between local vasodilation and pain perception in elderly subjects, testing the hypothesis that altered local cutaneous…”
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Preserved distraction analgesia but greater impact of pain on task performance in older adults compared with younger subjects by Lithfous, Ségolène, Després, Olivier, Devanne, Julia, Pebayle, Thierry, Dufour, André

“…Abstract Objective In this study, we compared two working memory conditions to study the analgesic effect of a distraction in elderly vs young people and the…”
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Modification of Descending Analgesia in Aging: Critical Role of the Prefrontal Cortex by Lithfous, Ségolène, Després, Olivier, Pebayle, Thierry, Dufour, André

“…OBJECTIVE:Aging has been associated with increases in pain threshold and reductions in tolerance threshold, as well as a deficiency in endogenous pain…”
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Early detection of altered cold perception in elderly with type 2 diabetes using a novel Quantitative Sensory Testing method by Trocmet, Louise, Dufour, André, Pebayle, Thierry, Després, Olivier, Lithfous, Ségolène

“…To compare the effectiveness of two methods for measuring cold detection thresholds in screening for temperature-perception deficits in elderly individuals…”
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Effects of thermosensory aging well demonstrated by cold stimulations with high temporal resolution by Després, Olivier, Lithfous, Ségolène, Pebayle, Thierry, Casadio, Claudia, Dufour, André

“…ABSTRACT Introduction: The method of limits (MLi) is the most commonly used paradigm to measure the threshold of thermal stimuli. However, the threshold…”
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Event-related brain potentials elicited by high-speed cooling of the skin: A robust and non-painful method to assess the spinothalamic system in humans by De Keyser, Roxane, van den Broeke, Emanuel N., Courtin, Arthur, Dufour, André, Mouraux, André

“…•Robust cool-evoked potentials can be recorded using rapid innocuous cooling of the skin.•Cool evoked potentials could be complementary to the recording of…”
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Effect of Virtual Reality Hypnosis on Pain Threshold and Neurophysiological and Autonomic Biomarkers in Healthy Volunteers: Prospective Randomized Crossover Study by Terzulli, Claire, Melchior, Meggane, Goffin, Laurent, Faisan, Sylvain, Gianesini, Coralie, Graff, Denis, Dufour, André, Laroche, Edouard, Chauvin, Chloé, Poisbeau, Pierrick

“…Background Virtual reality hypnosis (VRH) is a promising tool to reduce pain. However, the benefits of VRH on pain perception and on the physiological…”
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Involvement of Frontal Functions in Pain Tolerance in Aging: Evidence From Neuropsychological Assessments and Gamma-Band Oscillations by Zhou, Shu, Lithfous, Ségolène, Després, Olivier, Pebayle, Thierry, Bi, Xiaoying, Dufour, André

“…Reduced pain tolerance may be one of the possible explanations for high prevalence of chronic pain among older people. We hypothesized that age-related…”
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Impaired visual expertise for print in French adults with dyslexia as shown by N170 tuning by Mahé, Gwendoline, Bonnefond, Anne, Gavens, Nathalie, Dufour, André, Doignon-Camus, Nadège

“…Efficient reading relies on expertise in the visual word form area, with abnormalities in the functional specialization of this area observed in individuals…”
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Allocentric but Not Egocentric Orientation Is Impaired During Normal Aging: An ERP Study by Lithfous, Ségolène, Dufour, André, Blanc, Frédéric, Després, Olivier

“…Objective: Behavioral studies of spatial navigation in aging indicate that orientation using an allocentric reference frame (object-centered orientation) is…”
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Improved visual sensitivity in the perihand space by Dufour, André, Touzalin, Pascale

“…Studies in monkeys and humans suggest a dissociation between the visual fields near and far from the hand. In this study, we investigated visual detection and…”
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Spinal integration of hot and cold nociceptive stimuli by wide-dynamic-range neurons in anesthetized adult rats by Gieré, Clémence, Melchior, Meggane, Dufour, André, Poisbeau, Pierrick

“…Early neuronal processing of thermal noxious information relies mostly on molecular detectors of the transient receptor potential family expressed by specific…”
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Decreased theta power at encoding and cognitive mapping deficits in elderly individuals during a spatial memory task by Lithfous, Ségolène, Tromp, Delphine, Dufour, André, Pebayle, Thierry, Goutagny, Romain, Després, Olivier

“…Abstract The purpose of this study was to investigate the role of theta activity in cognitive mapping, and to determine whether age-associated decreased theta…”
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Impact of motivation on cognitive control in the context of vigilance lowering: An ERP study by Bonnefond, Anne, Doignon-Camus, Nadège, Hoeft, Alain, Dufour, André

“…► Distinct effects of time-on-task on response accuracy and on the CRN/Nc as a function of motivation. ► Sensitivity of the CRN/Nc to motivational…”
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Age-Related Decline in Cognitive Pain Modulation Induced by Distraction: Evidence From Event-Related Potentials by Zhou, Shu, Després, Olivier, Pebayle, Thierry, Dufour, André

“…Distraction is known to reduce perceived pain but not always efficiently. Overlapping cognitive resources play a role in both pain processing and executive…”
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