Parcourir Faculté des arts et des sciences – Département de psychologie - Travaux et publications par auteur·e "Blais, Hélène"
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Brain white matter damage and its association with neuronal synchrony during sleep
(Oxford University Press, 2019-01-28)The restorative function of sleep partly relies on its ability to deeply synchronize cerebral networks to create large slow oscillations observable with EEG. However, whether a brain can properly synchronize and produce a restorative sleep when it ... -
Obstructive sleep apnea during REM sleep and daytime cerebral functioning : a regional cerebral blood flow study using high-resolution SPECT
(SAGE, 2018-11-22)Obstructive sleep apnea (OSA) predominantly during rapid eye movement (REM) sleep may have impacts on brain health, even in milder OSA cases. Here, we evaluated whether REM sleep OSA is associated with abnormal daytime cerebral functioning using ... -
Parallel recovery of consciousness and sleep in acute traumatic brain injury
(American Academy of Neurology, 2017)Objective: To investigate whether the progressive recuperation of consciousness was associated with the reconsolidation of sleep and wake states in hospitalized patients with acute traumatic brain injury (TBI). Methods: This study comprised 30 ... -
Sleep in the acute phase of severe traumatic brain injury : a snapshot of polysomnography
Sleep and traumatic brain injury
(SAGE, 2015-12-23)Background and Objectives. The onset of pervasive sleep-wake disturbances associated with traumatic brain injury (TBI) is poorly understood. This study aimed to (a) determine the feasibility of using polysomnography in patients in the acute, hospitalized ... -
Sleep spindles are resilient to extensive white matter deterioration
(Oxford University Press, 2020-06-13)Sleep spindles are an essential part of non-rapid eye movement sleep, notably involved in sleep consolidation, cognition, learning and memory. These oscillatory waves depend on an interaction loop between the thalamus and the cortex, which relies on ... -
Sleep-wake disturbances in hospitalized patients with traumatic brain injury: association with brain trauma but not with an abnormal melatonin circadian rhythm
(Oxford University Press, 2019-09-28)Study Objectives: To test whether the sleep-wake cycle disruption in patients hospitalized with traumatic brain injury (TBI) 1) is also found in patients with traumatic injuries other than TBI (nonTBI); and 2) is associated to a weaker or abnormal ... -
Towards a better understanding of increased sleep duration in the chronic phase of moderate to severe traumatic brain injury : an actigraphy study
(Elsevier, 2018-11-28)Introduction Most adults with moderate to severe traumatic brain injury (TBI) report persistent sleep-wake disturbances. Whether these complaints are either associated with abnormal sleep-wake patterns or can be explained by TBI-related characteristics ... -
Validity of actigraphy for nighttime sleep monitoring in hospitalized patients with traumatic injuries
(American academy of sleep medicine, 2020-02-15)Study objectives: Sleep-wake disturbances are frequent among patients hospitalized for traumatic injuries but remain poorly documented due to the lack of tools validated for hospitalized patients. This study aimed to validate actigraphy for nighttime ...
