The makers of the Argus II bionic eye are working on a new interface that sits directly on the user’s brain.
Our cells are more malleable than we thought – and by transforming them inside the body, we can mend broken hearts or even degenerating brains from within.
This article appears in Weekly Health Page July 31.
Researchers found that more than four out of five Ohio women who had been physically abused by their partners had suffered a head injury. A study that found domestic violence survivors had sustained staggering rates of head trauma and violent choking incidents suggests that many are left with ongoing health problems from “invisible injuries” to the brain.
But the effects of such injuries often go unrecognized by advocates, health care providers, law enforcement — even the victims themselves, researchers said.
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Finally the sisters left Percival alone to sleep, and though exhausted, he lay awake reflecting on his quest. He still had no definite sense of direction, so he prayed again for guidance, and finally trusting in the Lord to give him answer by whatever method He chose, he fell deeply asleep. He dreamt, an unusual dream in vivid color, in which he could hear water tricke and birds sing and feel the warmth of the sun on his face.
In his dream he saw an angel in a purple robe reclining against the rocks, a disturbing sight because the angel, with receding hairline and beard, wearing a white apron, held a angel figurine in a blue dress and its wings were plucked or flung out, drifting above his apron. Behind the angel was an unknown man’s shade, far to the angel’s right and above were some swords, point downwards, and to the angel’s right side, next to Percival, was a pile of jewels and crystal. The angel faced towards a cliff edge dropping off hundreds or thousands of feet, and just to the angel’s right was strung a narrow rope going past the rocks ahead, by which holding fast one might through bare toeholds and daring tenacity edge around the corner of the mountain to reach a safer ledge further on. From this line dangled a net with three fine scarves. The closest to the angel was orange, the next combined orange with green, and the third was green.
This scene flashed before his mind’s eye just long enough for him to absorb its details, and barely did he think to seek its meaning when a flash of movement caught his attention. From the suspended net, out flew a brilliantly colored bird, away from the angel and past the cliff in the direction the rope led. Like a bird of paradise, it had an orange body, green crest, and orange and green wings with a scissor-tail. A pure cascade of melodious trilling filled the morning air as it partook its free course, such that Percival felt its joy within his heart and being, and it warmed him with hope. He awoke with his heart still burning and understood through his spirit the dream, for its interpretation had also been given him and filled his mind with certainty and peace.
Machine learning, introduced 70 years ago, is based on evidence of the dynamics of learning in the brain. Using the speed of modern computers and large datasets, deep learning algorithms have recently produced results comparable to those of human experts in various applicable fields, but with different characteristics that are distant from current knowledge of learning in neuroscience.
Using advanced experiments on neuronal cultures and large scale simulations, a group of scientists at Bar-Ilan University in Israel has demonstrated a new type of ultrafast artificial intelligence algorithms—based on the very slow brain dynamics—which outperform learning rates achieved to date by state-of-the-art learning algorithms.
In an article published today in the journal Scientific Reports, the researchers rebuild the bridge between neuroscience and advanced artificial intelligence algorithms that has been left virtually useless for almost 70 years.
Researchers have developed a soft neural implant that can be wirelessly controlled using a smartphone. It is the first wireless neural device capable of indefinitely delivering multiple drugs and multiple colour lights, which neuroscientists believe can speed up efforts to uncover brain diseases such as Parkinson’s, Alzheimer’s, addiction, depression, and pain. A team under Professor Jae-Woong Jeong from the School of Electrical Engineering at KAIST and his collaborators have invented a device that can control neural circuits using a tiny brain implant controlled by a smartphone. The device, using Lego-like replaceable drug cartridges and powerful, low-energy Bluetooth, can target specific neurons of interest using drugs and light for prolonged periods. This study was published in Nature Biomedical Engineering.
“This novel device is the fruit of advanced electronics design and powerful micro and nanoscale engineering,” explained Professor Jeong. “We are interested in further developing this technology to make a brain implant for clinical applications.”
Alkahest, a California-based biotech start-up, has just revealed some compelling early results from an ongoing Phase 2 trial into the efficacy of its novel formulation of plasma proteins derived from young blood, developed to slow, or even stop, the cognitive decline associated with Alzheimer’s disease.
“Over the past 50 years [America has] gone from institutionalizing people with mental illnesses, often in subhuman conditions, [in state mental health hospitals] to incarcerating them at unprecedented and appalling rates—putting recovery out of reach for millions of Americans […] On any given day, between 300,000 and 400,000 people with mental illnesses are incarcerated in jails and prisons across the United States, and more than 500,000 people with mental illnesses are under correctional control in the community.” [1] Mental Health America (MHA) supports effective, accessible mental health treatment for all people who need it who are confined in adult or juvenile correctional facilities or under correctional control. People with mental health and substance use conditions also need an effective classification system to protect vulnerable prisoners and preserve their human rights. [2] Notwithstanding their loss of their liberty, prisoners with mental health and substance use conditions retain all other rights, and these must be zealously defended.
Background
In the past decade, America has been locking up increasing numbers of individuals with mental health conditions. [3] MHA is both concerned by and opposed to the increasing use of criminal sanctions and incarceration, replacing the state mental hospitals with much more drastic curtailment of personal liberty and preclusion of community integration and community-based treatment. [4] Prisoners with mental health conditions are especially vulnerable to the difficult and sometimes deplorable conditions that prevail in jails, prisons, and other correctional facilities. Overcrowding often contributes to inadequacy of mental health services and to ineffective classification and separation of prisoner classes. It can both increase vulnerability and exacerbate mental illnesses. For these and other reasons, MHA supports maximum reasonable diversion. [5].
