Archive for the ‘neuroscience’ category: Page 908
Jan 2, 2017
America’s refusal to embrace gene editing could start the next Cold War
Posted by Zoltan Istvan in categories: bioengineering, biotech/medical, cyborgs, employment, genetics, military, neuroscience, transhumanism
New version of this out: https://www.geneticliteracyproject.org/2017/01/02/americas-r…-cold-war/ #transhumanism #biohacking
Unlike other epic scientific advances…the immediate effect of genetic editing technology is not dangerous. Yet, it stands to be just as divisive to humans as the 70-year proliferation of nuclear weaponry.
The playing field of geopolitics is pretty simple: If China or another country vows to increase its children’s intelligence via genetic editing, and America chooses to remain “au naturel” because they insist that’s how God made them, a conflict species-deep will quickly arise.
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Jan 2, 2017
Regenerative Medicine: Scientists Have Successfully Engineered Functioning Human Nerves
Posted by Shane Hinshaw in categories: biotech/medical, life extension, neuroscience
In a breakthrough for regenerative medicine, scientists have grown intestinal tissues with functional nerves in a laboratory setup using human pluripotent stem cells. The synthesized tissue was used to study Hirschsprung’s disease, a congenital condition where nerve cells are missing from the colon, causing complications in passing stool. The research is detailed in Nature Medicine.
A pluripotent stem cell is a precursor cell to all the other types of cells in the body. In a petri dish, the stem cells were treated in a biochemical bath that triggered the formation into intestinal tissue. The novel part of the study was the construction of a nervous system on the intestinal organoid. The researchers manipulated neural crest cells to grow a system of nerves. By putting together the neural crest cells and the intestinal tissue at the exact time, they successfully grew together into a complex functional system.
The tissues were transplanted into mice. They worked successfully and showed a structure “remarkably similar” to that of a natural human intestine.
Dec 30, 2016
Banks are using mind reading technology to interview graduates
Posted by Karen Hurst in categories: business, finance, neuroscience
WHY THIS MATTERS IN BRIEF Every business is becoming a technology business and nowhere is that truer than in the financial services industry, now as banks try to compete with start ups and established technology companies for tech talent they could find themselves getting into warm water…
Dec 29, 2016
Immune cells in covering of brain discovered; may play critical role in battling neurological diseases
Posted by Sean Brazell in categories: biotech/medical, neuroscience
This could be a huge deal, a game changer even.
Definitely research to follow closely.
Dec 29, 2016
Portrait of the artist may help diagnosis of brain diseases
Posted by Karen Hurst in categories: biotech/medical, neuroscience
Some of the most famous artists in history may have left subtle clues to brain disease in their work, scientists have found.
Dec 29, 2016
Cells dripped into brain help fight a deadly cancer
Posted by Karen Hurst in categories: biotech/medical, neuroscience
A man with deadly brain cancer that had spread to his spine saw his tumors shrink and, for a time, completely vanish after a novel treatment to help his immune system attack his disease — another first in this promising field.
The type of immunotherapy that 50-year-old Richard Grady received already has helped some people with blood cancers such as leukemia. But the way he was given it is new, and may allow its use not just for brain tumors but also other cancers that can spread, such as breast and lung.
Grady was the first person to get the treatment dripped through a tube into a space in the brain where spinal fluid is made, sending it down the path the cancer traveled to his spine.
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Dec 29, 2016
Novel Insights Into Neuronal Activity-Dependent Gene Expression
Posted by Karen Hurst in category: neuroscience
Summary: A new study explores how neural activity influences CREB dynamics.
Source: Osaka University.
Neuronal activity mediates the formation of neuronal circuits in the cerebral cortex. These processes are regulated by the transcription factor CREB, which regulates gene expression in neuronal activity-dependent processes. Neuronal activity enhances CREB-mediated transcription but the mechanisms remain unclear. CREB binds to a cAMP response element (CRE) in the promoter region of its target genes. Assembly and disassembly of CREB-CRE interactions control spatiotemporal gene expression in the nucleus. However, how CREB interacts with CRE in activity-dependent mechanisms is not known.
Dec 27, 2016
Harvard May Have Pinpointed the Source of Human Consciousness
Posted by Shailesh Prasad in categories: biotech/medical, neuroscience
In Brief
- A study of 36 patients with brainstem lesions revealed that the majority of those in comas had damage in a specific area of the brainstem, while most conscious patients did not.
- The identification of the areas of the brain responsible for consciousness could lead to new treatment options for patients in comas or vegetative states.
Human consciousness has been defined as awareness, sentience, a person’s ability to experience and feel, but despite the important role it plays in our lives and making us who we are, we actually know very little about how consciousness works.
Scientists currently believe that consciousness is composed of two components: arousal and awareness. The first is regulated by the brainstem, but the physical origins of the latter were always a mystery. Now, a team of researchers at Harvard think they may have discovered the regions of the brain that work with the brainstem to maintain consciousness.
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Dec 26, 2016
Scientists say your “mind” isn’t confined to your brain, or even your body
Posted by Karen Hurst in category: neuroscience
You might wonder, at some point today, what’s going on in another person’s mind. You may compliment someone’s great mind, or say they are out of their mind. You may even try to expand or free your own mind.
But what is a mind? Defining the concept is a surprisingly slippery task. The mind is the seat of consciousness, the essence of your being. Without a mind, you cannot be considered meaningfully alive. So what exactly, and where precisely, is it?
Traditionally, scientists have tried to define the mind as the product of brain activity: The brain is the physical substance, and the mind is the conscious product of those firing neurons, according to the classic argument. But growing evidence shows that the mind goes far beyond the physical workings of your brain.
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