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Sleep magnetoencephalography enhances detection and source imaging of seizures and fast oscillations in focal cortical dysplasia

Author(s): Heers M; Afnan J; Braun C; Grova C; Altenmüller DM; Steinhoff BJ; Dümpelmann M; Demerath T; Urbach H; Ethofer S; Siegel M; Schulze-Bonhage A; Lerche H; Li Hegner Y;

Objective: Focal cortical dysplasia (FCD) causes drug-resistant epilepsy requiring presurgical evaluation. Invasive electroencephalographic (EEG) studies demonstrate that sleep modulates epileptic activity, including interictal epileptiform discharges (IEDs), fast oscillations (FOs) in the beta ( ...

Article GUID: 41804684


Habitual napping in older adults is accompanied by altered heat-loss rhythms across the circadian cycle and reduced coupling between pre-sleep thermoregulatory dynamics and sleep initiation

Author(s): Dourte M; Hammad G; de Haan S; Deantoni M; Reyt M; Baillet M; Lesoinne A; Muto V; Collette F; Vandewalle G; Peigneux P; Cajochen C; Schmidt C;

Thermoregulatory processes are closely linked to sleep initiation and maintenance throughout the circadian cycle, and may contribute to the increased tendency to nap in older adults. This cross-sectional study examined whether habitual napping in healthy older individuals is associated with alter ...

Article GUID: 41797810


Trajectories of Alcohol-Related Problems Among First-Year Nursing Students: Nature, Predictors, and Outcomes

Author(s): Cheyroux P; Morin AJS; O' Connor RM; Colombat P; Vancappel A; Eltanoukhi R; Gillet N;

This study aims to contribute to an improved dynamic person-centred comprehension of the distinct trajectories of alcohol-related problems observed among first-year nursing students. Data was collected from 2963 first-year nursing students on four occasions over the course of their first semester ...

Article GUID: 41797206


How vigilance states influence source imaging of physiological brain oscillations: evidence from intracranial EEG

Author(s): Wei X; Afnan J; Avigdor T; von Ellenrieder N; Delaire É; Royer J; Ho A; Minato E; Schiller K; Jaber K; Wang YL; Moye M; Bernhardt BC; Lina JM; Grova C; Frauscher B;

Cortical oscillations across sleep-wake cycles are essential for coordinating functional brain dynamics. High-density electroencephalography (HDEEG) combined with electrical source imaging (ESI) provides a noninvasive approach to map cortical dynamics; however, its ability to capture spatial ongo ...

Article GUID: 41687693


Effects of cognitive-behavioral therapy for insomnia during sedative-hypnotics withdrawal on sleep and cognition in older adults

Author(s): Barbaux L; Cross NE; Perrault AA; Es-Sounni M; Desrosiers C; Clerc D; Andriamampionona F; Lussier D; Tannenbaum C; Guimond A; Grenier S; Gouin JP; Dang-Vu TT;

Objectives: Our objective was to assess the effect of cognitive-behavioral therapy for insomnia (CBTi) on subjective and objective sleep quality (including sleep spindles) and cognition during a sedative-hypnotics withdrawal program in older adults with insomnia disorder.

Article GUID: 41092866


Exploring Deep Magnetoencephalography via Thalamo-Cortical Sleep Spindles

Author(s): Rattray GF; Jourde HR; Baillet S; Coffey EBJ;

Subcortical brain regions like the thalamus are integral to numerous sensory and cognitive functions. Magnetoencephalography (MEG) enables the study of widespread brain networks with high temporal resolution, but the degree to which deep sources like the thalamus can be resolved remains unclear. Functional connectivity methods may enhance differentiation, ...

Article GUID: 41002111


Perceptions et attitudes des personnes âgées souffrant d insomnie par rapport aux médicaments et aux produits de santé naturels

Author(s): Nguyen PV; Dang-Vu T; Forest G; Saidi L; Desmarais P;

La présente étude de méthode mixte explore les perceptions et attentes relatives aux hypnotiques et produits de santé naturels (PSN) chez les personnes âgées. Vingt-quatre personnes d'en moyenne 76 ans dont 58 % étaient des femmes ont participé à des entrevues semi-structurées. La moitié était des utilisateurs d'hypnotiques. Selon leur score de l& ...

Article GUID: 40968485


Examining Sleep Quality in Adult Foster Care Alumni: Implications for Later Life Health and Well-Being

Author(s): Keller A; Mann-Feder V; Collin-Vézina D; MacKenzie MJ;

Background: Foster care alumni face increased health challenges across the domains of mental and physical health, yet there is a paucity of research examining the associations between care experiences, health, and sleep quality in alumni aged 30 and above. Objectives: Our exploratory mixed-method study examined the sleep quality of North American group ca ...

Article GUID: 40724719


The complex association between bedtime screen use and adult sleep health

Author(s): Vézina-Im LA; Morin CM; Chen S; Ivers H; Carney CE; Chaput JP; Dang-Vu TT; Davidson JR; Robillard R;

Objectives: To evaluate whether bedtime screen use is associated with sleep health and if this association varies by biological sex, age, and income among adults in Canada. Methods: Data were collected through a national stratified random population-based phone interview on sleep health among ad ...

Article GUID: 40713469


24-hour activity cycle behaviors and gray matter volume in mild cognitive impairment

Author(s): Balbim GM; Boa Sorte Silva NC; Falck RS; Kramer AF; Voss MW; Liu-Ambrose T;

Introduction: The 24-hour activity cycle (24-HAC) includes physical activity (PA), sedentary behavior (SB), and sleep. The 24-HAC composition and brain health relationship in adults with mild cognitive impairment (MCI) remains underexplored. We examined associations between 24-HAC composition and gray matter (GM) volume. Methods: Cross-sectional study in ...

Article GUID: 40693459


Neurophysiological effects of targeting sleep spindles with closed-loop auditory stimulation

Author(s): Jourde HR; Sobral M; Beltrame G; Coffey EBJ;

Sleep spindles are neural events unique to nonrapid eye movement sleep that play key roles in memory reactivation and consolidation. However, much of the evidence for their function remains correlational rather than causal. Closed-loop brain stimulation uses real-time monitoring of neural events (often via electroencephalography; EEG) to deliver precise a ...

Article GUID: 40626105


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