Nerve
hideA nerve is an enclosed, cable-like bundle of peripheral axons (the long, slender projections of neurons). A nerve provides a common pathway for the electrochemical nerve impulses that are transmitted along each of the axons. Nerves are found only in the peripheral nervous system. In the central nervous system, the analogous structures are known as tracts. Neurons are sometimes called nerve cells, though this term is technically inaccurate since many neurons do not form nerves, and nerves also include non-neuronal Schwann cells that coat the axons in myelin.
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News tagged with nerve
Study uses brain scans to discover how children 'read' faces
Medicine & Health / Psychology & Psychiatry
Nov 20, 2009 |
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(PhysOrg.com) -- Oxford University scientists are using brain-scanning technology to understand how we learn to recognise and 'read' faces as children.
Schizophrenia gene's role may be broader, more potent, than thought
Nov 19, 2009 |
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(PhysOrg.com) -- UCSF scientists studying nerve cells in fruit flies have uncovered a new function for a gene whose human equivalent may play a critical role in schizophrenia.
New Down syndrome treatment suggested by study in mice
Nov 18, 2009 |
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At birth, children with Down syndrome aren't developmentally delayed. But as they age, these kids fall behind. Memory deficits inherent in Down syndrome hinder learning, making it hard for the brain to collect experiences ...
Findings could speed the development of drugs for Parkinson's disease
Medicine & Health / Neuroscience
Nov 18, 2009 |
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Australian scientists have significantly advanced our understanding of dopamine release from nerve cells, findings that should speed the development of more effective drugs for treating Parkinson's Disease.
Researchers find explanation for rapid maturation of neurons at birth
Medicine & Health / Neuroscience
Nov 17, 2009 |
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At the moment a newborn switches from amniotic fluid to breathing air, another profound shift occurs: nerve cells in the brain convert from hyperexcitability to a calm frame against which outside signals can be detected.
Bigger not necessarily better, when it comes to brains
Nov 17, 2009 |
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(PhysOrg.com) -- Tiny insects could be as intelligent as much bigger animals, despite only having a brain the size of a pinhead, say scientists at Queen Mary, University of London.
Researchers to test first gene therapy For Alzheimer's patients
Nov 17, 2009 |
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Mount Sinai School of Medicine is one of 12 sites nationwide participating in the first Phase 2 clinical trial to test gene therapy treatment for Alzheimer's disease. The study is the first multicenter neurosurgical intervention ...
Research describes connections between Circadian and metabolic systems
Nov 17, 2009 |
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(PhysOrg.com) -- A paper by University of Notre Dame biologist Giles Duffield and a team of researchers offers new insights into a gene that plays a key role in modulating the body’s Circadian system and may ...
On your last nerve: Researchers advance understanding of stem cells
Nov 17, 2009 |
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Researchers from North Carolina State University have identified a gene that tells embryonic stem cells in the brain when to stop producing nerve cells called neurons. The research is a significant advance ...
MS is more aggressive in children but slower to cause disability than in adults
Nov 16, 2009 |
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Magnetic resonance images (MRI) of patients diagnosed with multiple sclerosis in childhood show that pediatric onset multiple sclerosis is more aggressive, and causes more brain lesions, than MS diagnosed in adulthood, researchers ...
Researchers find potential treatment for Huntington's disease (w/ Video)
Nov 15, 2009 |
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Investigators at Burnham Institute for Medical Research, the University of British Columbia's Centre for Molecular Medicine and Therapeutics and the University of California, San Diego have found that normal synaptic activity ...
Fatty acids clue for Alzheimer's
Medicine & Health / Neuroscience
Nov 13, 2009 |
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(PhysOrg.com) -- The amount of fatty acids in the brain varies between healthy people and those with Alzheimer's according to new research from the University of Bristol, UK, supported by the Alzheimer's Research ...
More pain means real gain in complex regional pain syndrome treatment
Nov 12, 2009 |
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The saying "more pain, more gain" may be true for those already in terrible pain due to a chronic and debilitating condition, contrary to received wisdom. For those with Type I Complex Regional Pain Syndrome (CRPS), working ...
Review: Reports on Pfizer drug studies misleading
Medicine & Health / Medications
Nov 11, 2009 |
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(AP) -- Analysis of a dozen published studies testing possible new uses for a Pfizer Inc. epilepsy drug found that reporting of the results was often fudged, indicating the medicine worked better than internal company documents ...
Engineers Will Create Planetary Rover From Retinal Implant Test Robot
Nov 11, 2009 |
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(PhysOrg.com) -- The research, led by Wolfgang Fink, will aid both people with visual impairments and scientists involved in planetary exploration.
