News tagged with nerve signals
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) |
15
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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 |
4.6 / 5 (25) |
11
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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 |
4.4 / 5 (22) |
0
One step closer to an artificial nerve cell
(PhysOrg.com) -- Scientists at Karolinska Institutet and Linköping University (Sweden) are well on the way to creating the first artificial nerve cell that can communicate specifically with nerve cells in the body using neurotransmitters. ...
Medicine & Health / Medical research
Jul 06, 2009 |
4.9 / 5 (15) |
4
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 |
4.9 / 5 (11) |
4
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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 |
4.9 / 5 (11) |
15
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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 |
5 / 5 (10) |
1
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New nanoscale transistors allow sensitive probing inside cells
Chemists and engineers at Harvard University have fashioned nanowires into a new type of V-shaped transistor small enough to be used for sensitive probing of the interior of cells.
Nanotechnology / Bio & Medicine
Aug 12, 2010 |
5 / 5 (9) |
1
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Artificial retina helps some blind people
For two decades, Eric Selby had been completely blind and dependent on a guide dog to get around. But after having an artificial retina put into his right eye, he can detect ordinary things like the curb and ...
Medicine & Health / Medical research
Feb 14, 2011 |
5 / 5 (9) |
4
How nerve cells grow: Researchers decode a molecular process that controls the growth
Brain researcher Hiroshi Kawabe has discovered the workings of a process that had been completely overlooked until now, and that allows nerve cells in the brain to grow and form complex networks. The study ...
Medicine & Health / Neuroscience
Feb 19, 2010 |
4.4 / 5 (10) |
0
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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 |
4.9 / 5 (9) |
3
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Australian stroke victim walks again - with help of botox
An Australian stroke victim paralysed for more than 20 years has walked again thanks to anti-wrinkle drug botox, in a case hailed as extraordinary by his medical team.
Jun 20, 2009 |
4.8 / 5 (9) |
0
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 |
5 / 5 (7) |
0
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Blinking neurons give thoughts away
(PhysOrg.com) -- Electrical currents are invisible to the naked eye - at least they are when they flow through metal cables. In nerve cells, however, scientists are able to make electrical signals visible. ...
Medicine & Health / Neuroscience
May 04, 2010 |
4.6 / 5 (7) |
0
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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 |
5 / 5 (6) |
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