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Pharmacological Enhancement of Stroke Recovery
AbstractPurpose of ReviewThis review aims to discuss the recent literature relating to drugs for stroke recovery and to identify some of the challenges in conducting translational research for stroke recovery.Recent FindingsAdvances in our understanding of neural repair mechanisms in pre-clinical stroke models have provided insights into potential targets for drugs that enhance the repair/recovery process. Few drugs that act on serotonergic and dopaminergic systems have been tested in humans with mixed results. The FOCUS trial, a phase III study of early administration of fluoxetine for stroke recovery, failed to replicate...
Source: Current Neurology and Neuroscience Reports - May 29, 2019 Category: Neuroscience Source Type: research

Influence of Combined Transcranial Direct Current Stimulation and Motor Training on Corticospinal Excitability in Children With Unilateral Cerebral Palsy
Conclusion This proof-of-principle study evaluated the influence of cathodal contralesional tDCS on corticospinal excitability in pediatric participants with UCP. A hypothesized decrease in contralesional excitability was noted in participants in the Active+CIMT group, however, the efficacy of tDCS to modulate corticospinal excitability was not statistically different than the Sham+CIMT group. A more detailed understanding of how tDCS impacts M1 neurophysiology will be essential to inform future clinical trials on the optimal dosing parameters, based on individual brain circuitry, to explore the potential functional benef...
Source: Frontiers in Human Neuroscience - April 23, 2019 Category: Neuroscience Source Type: research

A Case of Transient Global Amnesia: A Review and How It May Shed Further Insight into the Neurobiology of Delusions
Conclusion In closing, our patient’s episode of TGA combined with her emotional and perceptual response lends credence to the proposal of a “fear/paranoia” circuit in the genesis of paranoid delusions—a circuit incorporating amygdala, frontal, and parietal cortices. Here, neutral or irrelevant stimuli, thoughts, and percepts come to engender fear and anxiety, while dysfunction in frontoparietal circuitry engenders inappropriate social predictions and maladaptive inferences about the intentions of others.[54] Hippocampus relays information about contextual information based on past experiences and the current situat...
Source: Innovations in Clinical Neuroscience - April 1, 2016 Category: Neuroscience Authors: ICN Online Editor Tags: Anxiety Disorders Behavioral and Cognitive Neurology Case Report Cognition Current Issue Dementia Medical Issues Neurologic Systems and Symptoms Psychiatry Schizophrenia delusions hippocampus neurobiology Transient global amnesia Source Type: research

A Copernican Approach to Brain Advancement: The Paradigm of Allostatic Orchestration
The objective of this presentation is to explore historical, scientific, interventional, and other differences between the two paradigms, so that innovators, researchers, practitioners, policy-makers, patients, end-users, and others can gain clarity with respect to both the explicit and implicit assumptions associated with brain advancement agendas of any kind. Over the course of three decades, a series of brain-centric, evolution-inspired insights have been articulated with increasing refinement, as principles of allostasis (Sterling and Eyer, 1988; Sterling, 2004, 2012, 2014). Allostasis recognizes that the role of the ...
Source: Frontiers in Human Neuroscience - April 25, 2019 Category: Neuroscience Source Type: research

Effects of Treadmill Exercise on Motor and Cognitive Function Recovery of MCAO Mice Through the Caveolin-1/VEGF Signaling Pathway in Ischemic Penumbra.
In this study, we attempted to determine an additional mechanism of treadmill exercise-mediated motor and cognitive functional recovery through the caveolin-1/VEGF pathway associated with BDNF in the ischemic penumbra of MCAO mice. We found that mice exposed to treadmill exercise after the MCAO operation showed a significant up-regulation in expression of caveolin-1, VEGF, BDNF, synapsin I and CYFIP1 proteins, numbers of cells positive for BrdU/CD34, BDNF, BrdU/NeuN, BrdU/Synapsin I and CYFIP1 expression were increased, which support the reduction in neurological deficit and infarction volume, as well as improved synaptic ...
Source: Neurochemical Research - January 19, 2019 Category: Neuroscience Authors: Chen Z, Hu Q, Xie Q, Wu S, Pang Q, Liu M, Zhao Y, Tu F, Liu C, Chen X Tags: Neurochem Res Source Type: research

Photobiomodulation for Traumatic Brain Injury and Stroke
Abstract There is a notable lack of therapeutic alternatives for what is fast becoming a global epidemic of traumatic brain injury (TBI). Photobiomodulation (PBM) employs red or near‐infrared (NIR) light (600–1100nm) to stimulate healing, protect tissue from dying, increase mitochondrial function, improve blood flow, and tissue oxygenation. PBM can also act to reduce swelling, increase antioxidants, decrease inflammation, protect against apoptosis, and modulate microglial activation state. All these mechanisms of action strongly suggest that PBM delivered to the head should be beneficial in cases of both acute and chro...
Source: Journal of Neuroscience Research - November 13, 2017 Category: Neuroscience Authors: Michael R Hamblin Tags: REVIEW Source Type: research