News tagged with electrical signals
Active ingredients in marijuana found to spread and prolong pain
Aug 13, 2009 |
2.7 / 5 (22) |
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Imagine that you're working on your back porch, hammering in a nail. Suddenly you slip and hit your thumb instead — hard. The pain is incredibly intense, but it only lasts a moment. After a few seconds (and a few unprintable ...
Tension in axons is essential for synaptic signaling, researchers report
Jul 20, 2009 |
5 / 5 (5) |
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Every time a neuron sends a signal - to move a muscle or form a memory, for example - tiny membrane-bound compartments, called vesicles, dump neurotransmitters into the synapse between the cells. Researchers ...
Scientists discover why we never forget how to ride a bicycle
Medicine & Health / Neuroscience
Jul 17, 2009 |
4.5 / 5 (19) |
0
(PhysOrg.com) -- You never forget how to ride a bicycle - and now a University of Aberdeen led team of neuroscientists has discovered why.
Heating heart with catheter better than drugs for common heart rhythm disorder
May 14, 2009 |
5 / 5 (2) |
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Treating a common heart rhythm disorder by burning heart tissue with a catheter works dramatically better than drug treatments, a major international study has found.
Brain protein central to both Parkinson's, drug addiction identified
May 04, 2009 |
5 / 5 (3) |
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Scientists have identified a protein that appears not only to be central to the process that causes Parkinson's disease but could also play a role in muting the high from methamphetamine and other addictive drugs.
Researchers use brain interface to post to Twitter (w/Video)
Apr 20, 2009 |
4.4 / 5 (12) |
3
(PhysOrg.com) -- In early April, Adam Wilson posted a status update on the social networking Web site Twitter -- just by thinking about it.
Relief from itch seen in nerves; may aid treatment
Medicine & Health / Neuroscience
Apr 06, 2009 |
3.5 / 5 (2) |
0
(AP) -- Scratch an itch and you get ... aaaaaah. Now scientists have watched spinal nerves transmit that relief signal to the brain in monkeys, a possible step toward finding new treatments for persistent itching in people.
Humanoid robot helps scientists to understand intelligence
Mar 31, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- A humanoid robot newly acquired by Imperial College London will lead to a deeper understanding of human intelligence, says scientists today.
Astrocytes help separate man from mouse
Medicine & Health / Neuroscience
Mar 23, 2009 |
5 / 5 (3) |
0
A type of brain cell that was long overlooked by researchers embodies one of very few ways in which the human brain differs fundamentally from that of a mouse or rat, according to researchers who published their findings ...
Link between epilepsy and Alzheimer’s uncovered
Medicine & Health / Neuroscience
Mar 19, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- Scientists have discovered what could be causing Alzheimer’s disease sufferers to go on to develop epilepsy.
Shifting sound to light may lead to better computer chips
Mar 16, 2009 |
4 / 5 (4) |
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By reversing a process that converts electrical signals into sounds heard out of a cell phone, researchers may have a new tool to enhance the way computer chips, LEDs and transistors are built.
Cats' eye diseases genetically linked to diseases in humans
Mar 04, 2009 |
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About one in 3,500 people are affected with retinitis pigmentosa (RP), a disease of the retina's visual cells that eventually leads to blindness. Now, a University of Missouri researcher has identified a genetic ...
Engineers tune a nanoscale grating structure to trap and release a variety of light waves
Feb 17, 2009 |
4.6 / 5 (5) |
0
People debating politics are well-advised to shed more light than heat. Engineers working in optical technologies have the same aspiration.
Researchers examine developing hearts in chickens to find solutions for human heart abnormalities (Video)
Jan 21, 2009 |
not rated yet |
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When it is head versus heart, the heart comes first. The heart is the first organ to develop and is critical in supplying blood to the rest of the body. Yet, little is known about the complex processes that regulate the heartbeat. ...
