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Category: neuroscience – Page 419

Neuralace™ is a glimpse of what’s possible in the future of BCI.

This patent pending concept technology is the start of Blackrock’s journey toward whole-brain data capture–with transformative potential for the way neurological disorders are treated. With over 10,000 channels and a flexible lace structure that seamlessly conforms to the brain, Neuralace has potential applications in vision and memory restoration, performance prediction, and the treatment of mental health disorders like depression.

Neuralace is:
Ultra-High Channel Count | Wireless | Customizable | Flexible | Thinner than an eyelash.

The possibilities are endless… Whole-brain data capture | Seamless connectivity | Improved biocompatibility About Blackrock Neurotech Blackrock Neurotech is a team of the world’s leading engineers, neuroscientists, and visionaries. Our mission is simple: We want people with neurological disorders to walk, talk, see, hear, and feel again. We’re engineering the next generation of neural implants, including implantable brain-computer interface technology that restores function and independence to individuals with neurological disorders. Join us in changing lives today. Connect with us: Join Our Team | https://bit.ly/3bCsXRv LinkedIn | https://bit.ly/3PfifOL Twitter | https://bit.ly/3PfifOL Instagram | https://bit.ly/3bMaYrW Facebook | https://bit.ly/3JRc2av Clinical Trials | https://bit.ly/3A8QPWm Our site | https://blackrockneurotech.com.
Whole-brain data capture | Seamless connectivity | Improved biocompatibility.

About Blackrock Neurotech.
Blackrock Neurotech is a team of the world’s leading engineers, neuroscientists, and visionaries. Our mission is simple: We want people with neurological disorders to walk, talk, see, hear, and feel again. We’re engineering the next generation of neural implants, including implantable brain-computer interface technology that restores function and independence to individuals with neurological disorders. Join us in changing lives today.

Connect with us:

Continue reading “Neuralace™ | The next-generation of BCI and whole-brain data capture” | >

Blackrock’s long-tested NeuroPort® Array, widely considered the gold standard of high-channel neural interfacing, has been used in human BCIs since 2004 and powered many of the field’s most significant milestones. In clinical trials, patients using Blackrock’s BCI have regained tactile function, movement of their own limbs and prosthetics, and the ability to control digital devices, despite diagnoses of paralysis and other neurological disorders.

While Blackrock’s BCI enables patients to execute sophisticated functions without reliance on assistive technologies, next-generation BCIs for areas such as vision and memory restoration, performance prediction, and treatment of mental health disorders like depression will need to interface with more neurons.

Neuralace is designed to capitalize on this need; with 10,000+ channels and the entire scalable system integrated on an extremely flexible lace-structured chip, it could capture data that is orders of magnitude greater than existing electrodes, allowing for an exponential increase in capability and intuitiveness.

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Resolving activity in cortical columns and cortical layers in the human brain with ultra-high field fMRI — new insights for biological models of cognitive functions.
Speaker: Rainer Goebel, Maastricht University, Netherlands.

HBP School — The Human Brain Atlas: Neuroscientific basis, tools and applications.
3–7 September 2018
Düsseldorf/Jülich, Germany.
Maastricht, Netherlands.

Follow us:

Facebook: @hbpeducation.
Twitter: @hbp_education.
Instagram: @hbp_education or visit:
www.humanbrainproject.eu/education.

Video recorded by Bergrath & Siebert.

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When we look at something, the different properties of the image are processed in different brain regions. But how does our brain make a coherent image out of such a fragmented representation? A new review by Pieter Roelfsema sheds light on two existing hypotheses in the field.

When we open our eyes, we immediately see what is there. The efficiency of our vision is a remarkable achievement of evolution. The introspective ease with which we perceive our visual surroundings masks the sophisticated machinery in our brain that supports . The image that we see is rapidly analyzed by a complex hierarchy of cortical and subcortical brain regions.

Neurons in low level brain regions extract basic features such as line orientation, depth and the color of local image elements. They send the information to several mid-level brain areas. Neurons in these areas code for other features, such as motion direction, color and shape fragments.

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Do you remember learning to drive a car? You probably fumbled around for the controls, checked every mirror multiple times, made sure your foot was on the brake pedal, then ever-so-slowly rolled your car forward.

Fast forward to now and you’re probably driving places and thinking, “how did I even get here? I don’t remember the drive”. The task of driving, which used to take a lot of mental energy and concentration, has now become subconscious, automatic—habitual.

But how—and why—do you go from concentrating on a task to making it automatic?

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Brains are like puzzles, requiring many nested and co-dependent pieces to function well. The brain is divided into areas, each containing many millions of neurons connected across thousands of synapses. These synapses, which enable communication between neurons, depend on even smaller structures: message-sending boutons (swollen bulbs at the branch-like tips of neurons), message-receiving dendrites (complementary branch-like structures for receiving bouton messages), and power-generating mitochondria. To create a cohesive brain, all these pieces must be accounted for.

However, in the aging , these pieces can get lost or altered, and no longer fit in the greater brain puzzle. A research team has now published a study in Frontiers in Aging Neuroscience on this topic.

“Fifty percent of people experience loss of working memory with old age, meaning their ability to hold and manipulate information in the short-term decreases,” says co-first author Courtney Glavis-Bloom, a senior staff scientist in Salk Institute Professor John Reynolds’s lab. “We set out to understand why some individuals maintain healthy working memory as they age, while others do not. In the process, we discovered a novel mechanism for the synaptic basis of cognitive impairment.”

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Functional movement/conversion disorder (FMD), part of the spectrum of Functional Neurological Disorder (FND), is a neuropsychiatric condition marked by a range of neurological symptoms, including tremors, muscular spasms and cognitive difficulties. Despite being the second-most common cause of referrals to neurology outpatient clinics after headache, scientists have struggled to pin down the disorder’s root cause. Female sex and a history of childhood trauma are factors associated with higher risk of developing FMD, but it’s been unclear why.

A new study from investigators of the Brigham and Women’s Hospital, in collaboration with researchers at the National Institute of Neurological Disorders and Stroke, demonstrated that FMD is characterized by epigenetic changes, and that women and childhood abuse survivors with FMD have different epigenetic profiles linked to this condition. Their study, which examined the genomes of over 100 individuals and was recently published in Progress in Neuro-Psychopharmacology and Biological Psychiatry, is the first to demonstrate the occurrence of epigenetic changes in FMD.

“This study finally takes FMD out of a cloud of confusion and provides a neuroscientifically grounded explanation for why childhood trauma and female sex are associated with this disorder,” said lead author Primavera A. Spagnolo, MD, Ph.D., scientific director of the Mary Horrigan Connors Center for Women’s Health and Gender Biology and assistant professor of psychiatry at HMS.

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Over a hundred years after the discovery of the neuron by neuroanatomist Santiago Ramón y Cajal, scientists continue to deepen their knowledge of the brain and its development.

In a publication in Science Advances on April 5, a team from the Institut Pasteur and the CNRS, in collaboration with Harvard University, revealed novel insights into how cells in the outer layers of the brain interact immediately after birth during formation of the cerebellum, the brain region towards the back of the skull.

The scientists demonstrated a novel type of connection between via nanotubes, even before the formation of synapses, the conventional junctions between neurons.

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