Results 91 to 100 of about 121,710 (296)

Прогностическая значимость умеренных когнитивных нарушений у пациентов с высоким и очень высоким кардиоваскулярным риском

open access: yesНеврология, нейропсихиатрия, психосоматика, 2020
Aim. To assess the prognostic significance of cognitive impairments detected using the MMSE scale in patients at high and very high cardiovascular risk (CVR).Patients and methods.
В. В. Генкель   +4 more
doaj  

Early Retinal UCHL1 Dysregulation Coupled With Synaptic Loss Reflects Alzheimer's Disease Severity

open access: yesAdvanced Science, EarlyView.
This study identifies synapse‐enriched deubiquitinase UCHL1 as an early Aβ‐responsive regulator of retinal synaptopathy in Alzheimer's disease. Retinal UCHL1 loss accompanies excitatory synapse degeneration, p75NTR activation, and neuroinflammation, and predicts Braak stage and cognitive decline. Aβ42 fibrils trigger synaptic and UCHL1 depletion before
Altan Rentsendorj   +25 more
wiley   +1 more source

FULL-RATE SPACE-TIME BLOCK CODE FOR FOUR TRANSMIT ANTENNAS WITH LINEAR DECODING

open access: yesJordanian Journal of Computers and Information Technology, 2020
This paper proposes a new full-rate space-time block code for MIMO systems at four transmit antennas, which aims at minimizing the bit error rate with low-complexity decoding using ZF and MMSE linear detection techniques in Rayleigh fading channels ...
Younes Djemamar   +2 more
doaj   +1 more source

14‐3‐3γ Protects Against Postoperative Cognitive Dysfunction by Regulating Tau Thr205 Phosphorylation and Synaptic Integrity

open access: yesAdvanced Science, EarlyView.
Integrative multi‐cohort analyses identify 14‐3‐3γ as a biomarker and regulator of cognitive vulnerability. Experimental studies show that 14‐3‐3γ loss is associated with Tau Thr205 phosphorylation, synaptic dysfunction, and cognitive impairment, while genetic overexpression or pharmacological stabilization of 14‐3‐3γ confers protective effects in ...
Shouqiang Zhu   +5 more
wiley   +1 more source

Optimal Lattice-Reduction Aided Successive Interference Cancellation for MIMO Systems

open access: yes, 2007
In this letter, we investigated the optimal minimum mean-squared-error (MMSE) based successive interference cancellation (SIC) strategy designed for lattice-reduction aided multiple-input multiple-output (MIMO) detectors.
Lee, K., Chun, J., Hanzo, L.
core   +1 more source

Temporal‐Targeted Accelerated 40 Hz tACS Enhances Cognitive Function and Network Integration in Alzheimer's Disease: A Randomized Clinical Trial

open access: yesAdvanced Science, EarlyView.
Bilateral temporal accelerated 40‐Hz tACS improves cognitive function in patients with Alzheimer's disease. Resting‐state fNIRS identifies treatment‐related increases in frontotemporoparietal functional connectivity, which are associated with cognitive improvement. ABSTRACT The temporal lobes are key hubs for memory and cognition.
Rong Guo   +10 more
wiley   +1 more source

COGNITIVE IMPAIRMENT AND DEMENTIA IN PARKINSON'S DISEASE

open access: yesАктуальные проблемы теоретической и клинической медицины
Cognitive impairment is one of the most frequent and disabling non-motor manifestations of Parkinson's disease. It significantly reduces patients' quality of life, increases caregiver burden, and contributes to loss of independence.
A. Kondybayeva   +6 more
doaj   +1 more source

Cerebral Hemodynamic Changes in Older Adults With Cognitive Complaints According to the Presence of Peripheral Artery Disease

open access: yesAGING MEDICINE, EarlyView.
Among 132 older adults, 13 had peripheral artery disease (PAD), identified using the ankle–brachial index. Over approximately 13 months, PAD was associated with increasing middle cerebral artery mean flow velocity, with a significant difference in left‐sided velocity change between groups.
SangMi Noh, Hae‐Eun Shin, YongSoo Shim
wiley   +1 more source

Evaluation of the relationship between vitamin D concentration and cognitive performance in community dwelling elderly people

open access: yesPsychiatria i Psychologia Kliniczna, 2019
Introduction: People over the age of 65 are at a significant risk of vitamin D deficiency. This a result of many factors. Based on the studies conducted so far, it can be concluded that there is a relationship between vitamin D deficiency and the elderly
Katarzyna Antczak-Domagała   +6 more
doaj   +1 more source

Centrum Semiovale Perivascular Spaces Predict First Hemorrhagic Lesion in Asymptomatic Amyloid‐Positive Individuals

open access: yesAnnals of Neurology, EarlyView.
Objective Identification of cerebral amyloid angiopathy (CAA) before its hemorrhagic manifestations remains limited. We aimed to determine whether severe enlarged perivascular spaces in the centrum semiovale (EPVS‐CSO) identify a prehemorrhagic stage of sporadic CAA by predicting the first appearance of CAA‐related hemorrhagic lesions or incident ...
Baris Alten   +8 more
wiley   +1 more source

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