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If You Transplant a Human Head, Does Its Consciousness Follow?

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Brandy Schillace sometimes writes fiction, but her new book is not that. Schillace, a medical historian, promises that her Cold War-era tale of a surgeon, neuroscientist, and father of 10 obsessed with transplanting heads is true from start to finish.
Schillace came across the story behind her book,
Mr. Humble and Dr. Butcher, somewhat serendipitously: One day, her friend, Cleveland neurologist Michael DeGeorgia, called her to his office. He quietly slid a battered shoebox toward her, inviting her to open it. Schillace obliged, half-worried it might contain a brain. She pulled out a notebook perhaps from the ‘50s or ‘60s, she says and started to leaf through it. ....

Brandy Schillace , Cold War , Psychology And Neuroscience , பிராந்தி ஸ்சில்லசெ , குளிர் போர் , உளவியல் மற்றும் நரம்பியல் , அறுவை சிகிச்சை ,

High-resolution imaging, 3D computer modeling reveal the fractal nature of neurons

High-resolution imaging, 3D computer modeling reveal the fractal nature of neurons
High-resolution imaging and 3D computer modeling show that the dendrites of neurons weave through space in a way that balances their need to connect to other neurons with the costs of doing so.
The discovery, reported in Nature
Scientific Reports Jan. 27, emerged as researchers sought to understand the fractal nature of neurons as part of a University of Oregon project to design fractal-shaped electrodes to connect with retinal neurons to address vision loss due to retinal diseases.
The challenge in our research has been understanding how the neurons we want to target in the retina will connect to our electrodes. Essentially, we have to fool the neurons into thinking that the electrode is another neuron by making the two have the same fractal character. ....

New Zealand , Saba Moslehi , Richard Taylor , Conor Rowland , Julianh Smith , Emily Henderson , Uo Materials Science Institute , University Of Oregon , University Of Canterbury , University Of Auckland , Physics Department , Nature Scientific Reports , Cottrell Scholar , Research Council , Science Advancement , Vision Loss , புதியது ஜீலாந்து , ரிச்சர்ட் டெய்லர் , கோனார் ரோலண்ட் , எமிலி ஹென்டர்சன் , ஊஓ பொருட்கள் அறிவியல் நிறுவனம் , பல்கலைக்கழகம் ஆஃப் ஓரிகந் , பல்கலைக்கழகம் ஆஃப் கேன்டர்பரி , பல்கலைக்கழகம் ஆஃப் ஆக்லாந்து , இயற்பியல் துறை , இயற்கை அறிவியல் அறிக்கைகள் ,

Drug target could fight Parkinson's and Alzheimer's disease

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IMAGE: An artist s impression of the brain, made from images of the SARM1 protein.
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Credit: The University of Queensland
Neurodegenerative disorders such as Parkinson s and Alzheimer s disease are in the firing line after researchers identified an attractive therapeutic drug target.
An international collaboration, co-led by University of Queensland researchers, has isolated and analysed the structure and function of a protein found in the brain s nerve fibres called SARM1.
Dr Jeff Nanson said the protein was activated when nerve fibres were damaged by injury, disease, or as a side effect of certain drugs.
After a damaging incident occurs, this protein often induces a form of nerve fibre degeneration - known as axon degeneration - a self-destruct mechanism of sorts, Dr Nanson said. ....

Jeff Nanson , Griffith University , University Of Queensland , Washington University St Louis , Bostjan Kobe , Washington University , Cell Biology , Chemistry Physics Materials Sciences , Medicine Health , Alzheimers Disease , Parkinsons Disease , ஜெஃப் நான்சன் , கிரிஃபித் பல்கலைக்கழகம் , பல்கலைக்கழகம் ஆஃப் குயின்ஸ்லாந்து , வாஷிங்டன் பல்கலைக்கழகம் ஸ்டம்ப் லூயிஸ் , வாஷிங்டன் பல்கலைக்கழகம் , செல் உயிரியல் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் , மருந்து ஆரோக்கியம் , அல்சைமர் நோய் , பார்கின்சன்ஸ் நோய் ,

Study provides detailed insight into neural mechanisms underlying placebo effects

Study provides detailed insight into neural mechanisms underlying placebo effects
A large proportion of the benefit that a person gets from taking a real drug or receiving a treatment to alleviate pain is due to an individual s mindset, not to the drug itself.
Understanding the neural mechanisms driving this placebo effect has been a longstanding question. A meta-analysis published in
Nature Communications finds that placebo treatments to reduce pain, known as placebo analgesia, reduce pain-related activity in multiple areas of the brain.
Previous studies of this kind have relied on small-scale studies, so until now, researchers did not know if the neural mechanisms underlying placebo effects observed to date would hold up across larger samples. This study represents the first large-scale mega-analysis, which looks at individual participants whole brain images. ....

Ulrike Bingel , Dianal Taylor , Matthias Zunhammer , Emily Henderson , Nature Communications , Affective Neuroscience Lab , Study Co , Dartmouth College , Behavioral Sciences , Placebo Neuroimaging Consortium , University Hospital Essen , Tor Wager , Distinguished Professor , Study Co Author , Principal Investigator , Treatment Expectation , எமிலி ஹென்டர்சன் , இயற்கை தகவல்தொடர்புகள் , உவ்ர்ச்சி சார்ந்த நரம்பியல் ஆய்வகம் , படிப்பு இணை , டார்ட்மவுத் கல்லூரி , நடத்தை அறிவியல் , மருந்துப்போலி நியூரோஇமேஜிங் கூட்டமைப்பு , பல்கலைக்கழகம் மருத்துவமனை எஸெந் , டோர் பந்தயம் , புகழ்பெற்ற ப்ரொஃபெஸர் ,

New, revolutionary theory for understanding brain and memory function

New, revolutionary theory for understanding brain and memory function
Mar 1 2021
Research from the University of Kent has led to the development of the MeshCODE theory, a revolutionary new theory for understanding brain and memory function. This discovery may be the beginning of a new understanding of brain function and in treating brain diseases such as Alzheimer s.
In a paper published by
Frontiers in Molecular Neuroscience, Dr Ben Goult from Kent s School of Biosciences describes how his new theory views the brain as an organic supercomputer running a complex binary code with neuronal cells working as a mechanical computer. He explains how a vast network of information-storing memory molecules operating as switches is built into each and every synapse of the brain, representing a complex binary code. This identifies a physical location for data storage in the brain and suggests memories are written in the shape of molecules in the synaptic scaffolds. ....

Ben Goult , Charles Babbage , Emily Henderson , University Of Kent , Kent School Of Biosciences , Molecular Neuroscience , Save History , Medical School , சார்லஸ் முட்டைக்கோஸ் , எமிலி ஹென்டர்சன் , பல்கலைக்கழகம் ஆஃப் கேண்ட் , கேண்ட் பள்ளி ஆஃப் உயிர் அறிவியல் , மூலக்கூறு நரம்பியல் , சேமி வரலாறு , மருத்துவ பள்ளி ,