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Archive for the ‘neuroscience’ category: Page 147

Feb 16, 2024

Neurotechnologies: The Next Technology Frontier

Posted by in category: neuroscience

For millennia, the human brain has been a largely unexplored frontier. Relative to the whole of human history, studying, understanding, and influencing human thought and consciousness is a radically new endeavor. Only in the twenty-first century has science truly begun to progress far enough into the field of neuroscience for effective neurotechnologies to begin to take shape.

The implications of neurotechnologies for society are vast. From pharmaceuticals that improve quality of life, to brain imaging that revolutionizes our conception of human consciousness, neurotechnologies stand to change our understanding of ourselves and harness the power of the brain and nervous system’s myriad functions to promote human thriving.

What are neurotechnologies?

Feb 16, 2024

Brain augmentation and neuroscience technologies: current applications, challenges, ethics and future prospects

Posted by in categories: biotech/medical, chemistry, employment, ethics, health, mathematics, neuroscience, robotics/AI

This isn’t rocket science it’s neuroscience.


Ever since the dawn of antiquity, people have strived to improve their cognitive abilities. From the advent of the wheel to the development of artificial intelligence, technology has had a profound leverage on civilization. Cognitive enhancement or augmentation of brain functions has become a trending topic both in academic and public debates in improving physical and mental abilities. The last years have seen a plethora of suggestions for boosting cognitive functions and biochemical, physical, and behavioral strategies are being explored in the field of cognitive enhancement. Despite expansion of behavioral and biochemical approaches, various physical strategies are known to boost mental abilities in diseased and healthy individuals. Clinical applications of neuroscience technologies offer alternatives to pharmaceutical approaches and devices for diseases that have been fatal, so far. Importantly, the distinctive aspect of these technologies, which shapes their existing and anticipated participation in brain augmentations, is used to compare and contrast them. As a preview of the next two decades of progress in brain augmentation, this article presents a plausible estimation of the many neuroscience technologies, their virtues, demerits, and applications. The review also focuses on the ethical implications and challenges linked to modern neuroscientific technology. There are times when it looks as if ethics discussions are more concerned with the hypothetical than with the factual. We conclude by providing recommendations for potential future studies and development areas, taking into account future advancements in neuroscience innovation for brain enhancement, analyzing historical patterns, considering neuroethics and looking at other related forecasts.

Keywords: brain 2025, brain machine interface, deep brain stimulation, ethics, non-invasive and invasive brain stimulation.

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Feb 16, 2024

A unifying theory explains seemingly contradictory biases in perceptual estimation

Posted by in category: neuroscience

Despite a long history of studying perceptual biases in neuroscience, many of the biases remain difficult to explain and even appear to be contradictory. The authors propose a unifying theory that sheds new light on such puzzling perceptual biases.

Feb 16, 2024

Study: Gold nanocrystals may reverse Parkinson’s neurological deficit

Posted by in categories: biotech/medical, neuroscience

Gold nanocrystals have shown promise in reversing neurological deficits in patients with multiple sclerosis (MS) and Parkinson’s disease (PD).


Gold nanocrystals show promise to reverse neurological deficits in patients with multiple sclerosis (MS) and Parkinson’s disease (PD).

In the clinical trials, this nanomedicine exhibited the ability to solve energy-related disorders in patients’ brains.

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Feb 15, 2024

Scientists Recorded the Brain Activity of a Person as They Died, and the Results Are Astonishing

Posted by in category: neuroscience

A team of scientists had the opportunity to study the brain waves of a dying person — and found an increase in activity associated with memory and dreams.

Feb 15, 2024

Study: Traumatic brain injury leads to widespread changes in neural connections

Posted by in categories: biotech/medical, health, neuroscience

A head injury serious enough to affect brain function, such as that caused by a car accident or sudden fall, leads to changes in the brain beyond the site of impact, Tufts University School of Medicine scientists report in the journal Cerebral Cortex. In an animal model of traumatic brain injury, the researchers found that both hemispheres work together to forge new neural pathways in an attempt to replicate those that were lost.

“Even areas far away from the injury behaved differently immediately afterward,” says first author Samantha Bottom-Tanzer, an MD/Ph. D. student in neuroscience at the School of Medicine. “Traumatic brain injury research tends to focus on the region of injury, but this study makes a good case that the entire brain can be affected, and imaging in distal regions can provide valuable information.”

Bottom-Tanzer and colleagues are the first to use an combining fluorescent sensors of neuronal activity and electrodes to record how many parts of the brain talk to each other after a brain injury. The team tracked neural activity in mice for up to three weeks post-injury during periods of exercise and rest.

Feb 15, 2024

Nanomedicine paves the way for new treatments for spinal cord injury

Posted by in categories: biotech/medical, evolution, nanotechnology, neuroscience

In a study published in Advanced Materials, researchers have demonstrated that an innovative nano-vector (nanogel), which they developed, is able to deliver anti-inflammatory drugs in a targeted manner into glial cells actively involved in the evolution of spinal cord injury, a condition that leads to paraplegia or quadriplegia.

Treatments currently available to modulate the mediated by the component that controls the brain’s internal environment after acute spinal cord injury showed limited efficacy. This is also due to the lack of a therapeutic approach that can selectively act on microglial and astrocytic cells.

The nanovectors developed by Politecnico di Milano, called nanogels, consist of polymers that can bind to specific target molecules. In this case, the nanogels were designed to bind to , which are crucial in the inflammatory response following acute spinal cord injury. The collaboration between Istituto di Ricerche Farmacologiche Mario Negri IRCCS and Politecnico di Milano showed that nanogels, loaded with a drug with anti-inflammatory action (rolipram), were able to convert glial cells from a damaging to a protective state, actively contributing to the recovery of injured tissue.

Feb 14, 2024

Effect of exercise for depression: systematic review and network meta-analysis of randomised controlled trials

Posted by in categories: health, lifeboat, neuroscience

Cecile G. Tamura ‎Lifeboat Foundation An effective treatment for depression from a systematic review of 200 unique RCTs:

Exercise.


Objective To identify the optimal dose and modality of exercise for treating major depressive disorder, compared with psychotherapy, antidepressants, and control conditions.

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Feb 14, 2024

Brain Mapping With Novel Rabies Viral Vectors

Posted by in categories: biotech/medical, life extension, neuroscience, robotics/AI

Summary: Researchers developed 20 novel recombinant rabies viral vectors that present unparalleled advantages for neural circuit mapping in aging and Alzheimer’s disease studies. These vectors are engineered to highlight microstructural changes in brain neurons through enhanced fluorescent proteins, offering insights into neural networks at both micro and macro scales.

The vectors’ unique ability to target specific neuron components and perform live imaging makes them potent tools for dissecting neural circuitry in healthy and diseased states. This innovation opens new pathways for targeted treatment strategies and will be shared with the neuroscience community through UCI’s Center for Neural Circuit Mapping.

Feb 14, 2024

A neural fingerprint of adaptive mentalization

Posted by in categories: computing, neuroscience

Mentalization – inferring other’s emotions and intentions – is crucial for human social interactions and is impaired in various brain disorders. While previous neuroscience research has focussed on static mentalization strategies, we know little about how the brain decides adaptively which strategies to employ at any moment of time. Here we investigate this core aspect of mentalization with computational modeling and fMRI during interactive strategic games. We find that most participants can adapt their strategy to the changing sophistication of their opponents, but with considerable individual differences. Model-based fMRI analyses identify a distributed brain network where activity tracks this mentalization-belief adaptation.

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