News tagged with nerve signals
Pigeons' navigation skill not down to iron-rich beak cells: study
The theory that pigeons' famous skill at navigation is down to iron-rich nerve cells in their beaks has been disproved by a new study published in Nature.
Apr 11, 2012 |
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RNA editing responsible for colder water survival in octopus
(PhysOrg.com) -- Researchers have discovered that when it comes to the survival of an octopus living in frigid waters, the reasoning is not a difference in the gene DNA but rather a difference in the RNA editing.
Jan 06, 2012 |
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Rewrite the textbooks: Findings challenge conventional wisdom of how neurons operate
(PhysOrg.com) -- Neurons are complicated, but the basic functional concept is that synapses transmit electrical signals to the dendrites and cell body (input), and axons carry signals away (output). In one ...
Medicine & Health / Neuroscience
Feb 17, 2011 |
4.9 / 5 (51) |
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Squid shown to be able to hear
(PhysOrg.com) -- Scientists in the US have solved the mystery about whether squid can hear and if so, how.
Feb 08, 2011 |
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Evolutionary bestseller in image processing
The eye is not just a lens that takes pictures and converts them into electrical signals. As with all vertebrates, nerve cells in the human eye separate an image into different image channels once it has been ...
Medicine & Health / Neuroscience
Nov 10, 2010 |
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Acupuncture's molecular effects pinned down
Scientists have taken another important step toward understanding just how sticking needles into the body can ease pain.
Medicine & Health / Neuroscience
May 30, 2010 |
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Funnel vision: New info about how cells in the eye help guide light into the retina
The eyes are marvelous instruments for converting outside reality into images lodged inside our brains. A new study of the retina, the light-sensitive region at the back of the eye, solves a mystery as to ...
May 09, 2010 |
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Scientists discover why we never forget how to ride a bicycle
(PhysOrg.com) -- You never forget how to ride a bicycle - and now a University of Aberdeen led team of neuroscientists has discovered why.
Medicine & Health / Neuroscience
Jul 17, 2009 |
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Bright lights, not-so-big pupils
A team of Johns Hopkins neuroscientists has worked out how some newly discovered light sensors in the eye detect light and communicate with the brain. The report appears online this week in Nature.
Medicine & Health / Medical research
Dec 31, 2008 |
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Unusual protein helps regulate key cell communication pathway
Charged atoms, or ions, move through tiny pores, or channels, embedded in cell membranes, generating the electrical signals that allow cells to communicate with one another. In new research, scientists have ...
Apr 23, 2012 |
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Sandia seeks better neural control of prosthetics for amputees
Sandia National Laboratories researchers, using off-the-shelf equipment in a chemistry lab, have been working on ways to improve amputees’ control over prosthetics with direct help from their own nervous ...
Feb 20, 2012 |
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Light now in sight: Control of a 'blind' neuroreceptor with an optical switch
When nerve cells communicate with one another, specialized receptor molecules on their surfaces play a central role in relaying signals between them. A collaborative venture involving teams of chemists based at Ludwig-Maximilians-Universitat ...
Jan 10, 2012 |
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A whole new meaning for thinking on your feet
Smithsonian researchers report that the brains of tiny spiders are so large that they fill their body cavities and overflow into their legs. As part of ongoing research to understand how miniaturization affects ...
Dec 12, 2011 |
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Biocompatible graphene transistor array reads cellular signals
Researchers have demonstrated, for the first time, a graphene-based transistor array that is compatible with living biological cells and capable of recording the electrical signals they generate. This proof-of-concept ...
Nanotechnology / Nanomaterials
Nov 30, 2011 |
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How does DEET work? Study says it confuses insects (Update)
For almost 50 years, people have used insect repellents containing DEET. But scientists still argue about how the stuff works.
Sep 21, 2011 |
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