News tagged with nerve axons

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

created Feb 17, 2011 | popularity 4.9 / 5 (51) | comments 15 | with audio podcast

How injured nerves grow themselves back

Unlike nerves of the spinal cord, the peripheral nerves that connect our limbs and organs to the central nervous system have an astonishing ability to regenerate themselves after injury. Now, a new report in the October 1st ...

Medicine & Health / Medical research

created Sep 27, 2010 | popularity 4.8 / 5 (10) | comments 2 | with audio podcast

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 ...

Biology / Plants & Animals

created Dec 12, 2011 | popularity 4.9 / 5 (9) | comments 3 | with audio podcast

Microchip technology rapidly identifies compounds for regrowing nerves in live animals

(PhysOrg.com) -- Scientists have long sought the ability to regenerate nerve cells, or neurons, which could offer a new way to treat spinal-cord damage as well as neurological diseases such as Alzheimer's ...

Chemistry / Analytical Chemistry

created Oct 11, 2010 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Study gives more proof that intelligence is largely inherited

They say a picture tells a thousand stories, but can it also tell how smart you are? Actually, say UCLA researchers, it can.

Medicine & Health / Neuroscience

created Mar 17, 2009 | popularity 4 / 5 (7) | comments 0

Neurons found to be similar to Electoral College

A tiny neuron is a very complicated structure. Its complex network of dendrites, axons and synapses is constantly dealing with information, deciding whether or not to send a nerve impulse, to drive a certain action.

Medicine & Health / Neuroscience

created Sep 14, 2009 | popularity 4.3 / 5 (6) | comments 0

Blocking protein may help ease painful nerve condition

Scientists have identified the first gene that pulls the plug on ailing nerve cell branches from within the nerve cell, possibly helping to trigger the painful condition known as neuropathy.

Medicine & Health / Neuroscience

created Mar 15, 2009 | popularity 4.8 / 5 (5) | comments 0

Rethinking Alzheimer's disease and its treatment targets

(PhysOrg.com) -- Psychiatry professor George Bartzokis introduces a new theory about the fundamental cause of Alzheimer's and other neurodegenerative diseases.

Medicine & Health / Neuroscience

created Sep 22, 2009 | popularity 4.8 / 5 (5) | comments 2

Lab-grown nerves promote nerve regeneration after injury

Researchers at the University of Pennsylvania School of Medicine have engineered transplantable living nerve tissue that encourages and guides regeneration in an animal model. Results were published this month in Tissue En ...

Medicine & Health / Medical research

created Mar 19, 2009 | popularity 5 / 5 (3) | comments 0

Mild traumatic brain injury, not so mild after all

Douglas Smith, MD, director of the Center for Brain Injury and Repair and professor of Neurosurgery at the University of Pennsylvania School of Medicine, will present information on the molecular mechanism at play in mild ...

Medicine & Health / Neuroscience

created Feb 19, 2010 | popularity 4.7 / 5 (3) | comments 0

Improving recovery from spinal cord injury

Once damaged, nerves in the spinal cord normally cannot grow back and the only drug approved for treating these injuries does not enable nerve regrowth. Publishing online this week in the Early Edition of the Proceedings of ...

Medicine & Health / Medical research

created Jun 09, 2010 | popularity 4.3 / 5 (3) | comments 0 | with audio podcast

Newly Discovered Gene Mutation Linked to Nerve Diseases

(PhysOrg.com) -- Researchers from the Northwestern University Feinberg School of Medicine have identified mutations in the gene for TRPV4 that cause two related degenerative motor nerve disorders, scapuloperoneal spinal muscular ...

Medicine & Health / Genetics

created Dec 28, 2009 | popularity 5 / 5 (2) | comments 0

Scientists find survival factor for keeping nerve cells healthy

Scientists at the Babraham Institute have discovered a novel survival factor whose rapid transport along nerve cells is crucial for keeping them alive. The same factor seems likely to be needed to keep our nerves healthy ...

Medicine & Health / Medical research

created Jan 26, 2010 | popularity 5 / 5 (1) | comments 0

Defective protein is a double hit for ataxia

The neurodegenerative disease spinocerebellar ataxia type 5 (SCA5) damages nerve cells in two ways. University of Minnesota researchers now report that the defective protein responsible for the disease cuts ...

Medicine & Health / Medical research

created Apr 05, 2010 | popularity 5 / 5 (1) | comments 0

Membrane molecule keeps nerve impulses hopping

New research from the University of North Carolina at Chapel Hill School of Medicine describes a key molecular mechanism in nerve fibers that ensures the rapid conductance of nervous system impulses. The findings ...

Medicine & Health / Neuroscience

created Jan 26, 2011 | popularity 5 / 5 (1) | comments 0