The cognitive cost of sleep lost

JG McCoy, RE Strecker - Neurobiology of learning and memory, 2011 - Elsevier
A substantial body of literature supports the intuitive notion that a good night's sleep can
facilitate human cognitive performance the next day. Deficits in attention, learning & memory …

Effects of long-term exposure to high altitude hypoxia on cognitive function and its mechanism: a narrative review

Y Li, Y Wang - Brain sciences, 2022 - mdpi.com
Cognitive function is affected by low pressure and hypoxia in high-altitude environments,
and is regulated by altitude and exposure time. With the economic development in the …

[HTML][HTML] Oxidative stress and apoptosis after acute respiratory hypoxia and reoxygenation in rat brain

D Coimbra-Costa, N Alva, M Duran, T Carbonell… - Redox Biology, 2017 - Elsevier
Acute hypoxia increases the formation of reactive oxygen species (ROS) in the brain.
However, the effect of reoxygenation, unavoidable to achieve full recovery of the hypoxic …

Molecular regulation of dendritic spine dynamics and their potential impact on synaptic plasticity and neurological diseases

P Maiti, J Manna, G Ilavazhagan, J Rossignol… - Neuroscience & …, 2015 - Elsevier
The structure and dynamics of dendritic spines reflect the strength of synapses, which are
severely affected in different brain diseases. Therefore, understanding the ultra-structure …

The brain at high altitude: from molecular signaling to cognitive performance

MA Aboouf, M Thiersch, J Soliz, M Gassmann… - International Journal of …, 2023 - mdpi.com
The brain requires over one-fifth of the total body oxygen demand for normal functioning. At
high altitude (HA), the lower atmospheric oxygen pressure inevitably challenges the brain …

Serum amyloid-beta levels are increased in patients with obstructive sleep apnea syndrome

XL Bu, YH Liu, QH Wang, SS Jiao, F Zeng, XQ Yao… - Scientific reports, 2015 - nature.com
A critical link between amyloid-beta (Aβ) and hypoxia has been demonstrated in in vitro and
animal studies but has not yet been proven in humans. Obstructive sleep apnea syndrome …

The human brain in a high altitude natural environment: A review

X Zhang, J Zhang - Frontiers in Human Neuroscience, 2022 - frontiersin.org
With the advancement of in vivo magnetic resonance imaging (MRI) technique, more
detailed information about the human brain at high altitude (HA) has been revealed. The …

Ganglioside GM1 protects against high altitude cerebral edema in rats by suppressing the oxidative stress and inflammatory response via the PI3K/AKT-Nrf2 pathway

G Gong, L Yin, L Yuan, D Sui, Y Sun, H Fu, L Chen… - Molecular …, 2018 - Elsevier
High altitude cerebral edema (HACE) is a severe type of acute mountain sickness (AMS)
that occurs in response to a high altitude hypobaric hypoxic (HH) environment. GM1 …

Withanolide A prevents neurodegeneration by modulating hippocampal glutathione biosynthesis during hypoxia

I Baitharu, V Jain, SN Deep, S Shroff, JK Sahu… - PloS one, 2014 - journals.plos.org
Withania somnifera root extract has been used traditionally in ayurvedic system of medicine
as a memory enhancer. Present study explores the ameliorative effect of withanolide A, a …

Preservation of dendritic spine morphology and postsynaptic signaling markers after treatment with solid lipid curcumin particles in the 5xFAD mouse model of …

P Maiti, Z Bowers, A Bourcier-Schultz, J Morse… - Alzheimer's research & …, 2021 - Springer
Background Synaptic failure is one of the principal events associated with cognitive
dysfunction in Alzheimer's disease (AD). Preservation of existing synapses and prevention …