Results 81 to 90 of about 220,072 (334)

NIR‐Triggered Upconversion‐Perovskite Heterostructures for Non‐Genetic, Implant‐Free Optoelectronic Neuromodulation

open access: yesAdvanced Science, EarlyView.
The Single‐Nanostructured Optoelectronic Vehicle for neuromodulation Activation (SNOVA) establishes a paradigm for non‐genetic, implant‐free neuromodulation. By integrating NIR‐excitable UCNPs with broadband‐absorbing perovskite QDs, SNOVA efficiently converts deeply penetrating light into localized electric fields that modulate neuronal ion dynamics ...
Luyue Jiang   +19 more
wiley   +1 more source

Transcranial extraventricular endoscopic surgeries: Expanding the role of endoscope in neurosurgery [PDF]

open access: yesIranian Journal of Neurosurgery
Background and Aim: Transcranial endoscopic surgeries are mainly limited to intraventricular lesions. This study aims to elaborate on the various benefits of transcranial endoscopic surgeries in extraventricular regions of the brain.
Rajeev Mandaka Parambil   +6 more
doaj  

Long‐Term Stable Subdural Recordings Enabled by Fibrosis‐Resistant Hydrogel‐Integrated µECoG Arrays

open access: yesAdvanced Science, EarlyView.
An adhesive hydrogel‐integrated micro‐electrocorticography (aGel‐µECoG) array is developed to ensure stable neural recordings by minimizing neuroinflammation and fibrosis during implantation. The hydrogel serves as a biological and mechanical bridge, enabling bioadhesive, reversible, anti‐fibrotic integration with brain tissue.
Lin Chen   +13 more
wiley   +1 more source

Diagnostic capabilities of transcranial magnetic stimulation to predict motor recovery after a stroke

open access: yesНервно-мышечные болезни, 2020
Transcranial magnetic stimulation is a method of focal non-invasive brain stimulation, characterized by high spatial and temporal resolution. To date, diagnostic transcranial magnetic stimulation has been used in clinical practice primarily to assess an ...
M. A. Nazarova   +3 more
doaj   +1 more source

Cortical Microvascular Pulsatility in the Aging Mouse Brain and the Confounding Effects of Anesthesia

open access: yesAdvanced Science, EarlyView.
Multi‐modal optical imaging reveals microvascular pulsatility in the brain cortex of awake and anaesthetized mice. Awake hemodynamics in male mice are found to be remarkably stable until late life, with flow pulsatility being significantly higher than in females, despite similar average perfusion.
Mia Viuf Skøtt   +5 more
wiley   +1 more source

Prefronto-cerebellar transcranial direct current stimulation increases amplituded and decreases latency of P3b component in patients with euthymic bipolar disorder [PDF]

open access: yes, 2015
INTRODUCTION: Neurocognitive impairments have been observed in patients with bipolar disorder (BD) even during the euthymic phase of the disease, potentially representing trait-associated rather than state-associated characteristics of the disorder.
BERNABEI, LAURA   +12 more
core   +2 more sources

Wearable Metamaterials with Embodied Intelligence for Programmable Control of Human Limbs Tremor

open access: yesAdvanced Intelligent Systems, EarlyView.
Resulting from alternating muscle contractions, tremors can severely limit human ability to perform everyday tasks like walking or talking, due to their disruptive nature. Medication and surgery may not always effectively address tremor control. A wearable device embodying programmable smart metamaterials with adaptable intelligence to meet the demand ...
Braion Barbosa de Moura   +2 more
wiley   +1 more source

Changes in corticospinal and spinal excitability to the biceps brachii with a neutral versus pronated handgrip position differ between arm cycling and tonic elbow flexion

open access: yesFrontiers in Human Neuroscience, 2016
The purpose of this study was to examine the influence of neutral and pronated handgrip positions on corticospinal excitability to the biceps brachii during arm cycling.
Davis Forman   +4 more
doaj   +1 more source

Heparin and air filters reduce embolic events caused by intra-arterial cerebral angiography - A prospective, randomized trial [PDF]

open access: yes, 2004
Background-Intra-arterial cerebral angiography is associated with a low risk for neurological complications, but clinically silent ischemic events after angiography have been seen in a substantial number of patients.Methods and Results-In a prospective ...
Bartsch, AJ   +8 more
core   +1 more source

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