News tagged with neuronal pathway

Molecular path from internal clock to cells controlling rest and activity revealed in new study

(PhysOrg.com) -- The molecular pathway that carries time-of-day signals from the body's internal clock to ultimately guide daily behavior is like a black box, says Amita Sehgal, PhD, the John Herr Musser Professor ...

Biology / Cell & Microbiology

created Feb 07, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Controlling movements with light

German researchers at the Ruhr-Universitaet have succeeded in controlling the activity of certain nerve cells using light, thus influencing the movements of mice. By changing special receptors in nerve cells of the cerebellum ...

Chemistry / Biochemistry

created Jul 20, 2011 | popularity not rated yet | comments 0

Chinks in the brain circuitry make some more vulnerable to anxiety

(PhysOrg.com) -- Why do some people fret over the most trivial matters while others remain calm in the face of calamity? Researchers at the University of California, Berkeley, have identified two different ...

Medicine & Health / Neuroscience

created Feb 10, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

The brain knows what the nose smells, but how? Researchers trace the answer

(PhysOrg.com) -- Professor of Biology Liqun Luo has developed a new technique to trace neural pathways across the brain. He has mapped the path of odor signals as they travel to the higher centers of a mouse ...

Medicine & Health / Neuroscience

created Feb 02, 2011 | popularity 5 / 5 (4) | comments 4 | with audio podcast

New insight into neuronal survival after brain injury

A new study identifies a molecule that is a critical regulator of neuron survival after ischemic brain injury. The research, published by Cell Press in the January 13 issue of the journal Neuron, may lead to new therapies that r ...

Medicine & Health / Neuroscience

created Jan 12, 2011 | popularity 5 / 5 (1) | comments 0

Study shows gene's role in developing and maintaining cells key for a lifetime of memories

St. Jude Children's Research Hospital investigators showed a gene named Prox1 is a key player in normal development of a brain structure crucial for learning and memory and remains active throughout life, nurturing the cells ...

Medicine & Health / Genetics

created Aug 18, 2010 | popularity not rated yet | comments 0

Fragile X protein loss alters brain pathways responsible for learning and memory

Geneticists have known for two decades that fragile X syndrome, the most common inherited cause of intellectual disability, is due to the functional loss of fragile X mental retardation protein (FMRP) in the brain. Now they ...

Medicine & Health / Genetics

created Apr 08, 2010 | popularity 5 / 5 (2) | comments 0 | with audio podcast

TWEAK triggers atrophy of disused muscle

A new study in the Journal of Cell Biology (JCB) identifies a cytokine signaling pathway that induces the breakdown of disused skeletal muscle. Blocking this pathway could prevent immobilized patients from l ...

Medicine & Health / Medical research

created Mar 22, 2010 | popularity not rated yet | comments 0

Marker of Ewing sarcoma: Potential new drug target?

Ewing sarcoma (EWS) is a bone tumor of unknown cellular origin that affects children and young adults.

Medicine & Health / Medical research

created Feb 08, 2010 | popularity not rated yet | comments 0

Neuroengineers silence brain cells with multiple colors of light

(PhysOrg.com) -- Neuroscientists at MIT have developed a powerful new class of tools to reversibly shut down brain activity using different colors of light. When targeted to specific neurons, these tools could ...

Medicine & Health / Neuroscience

created Jan 06, 2010 | popularity 4.5 / 5 (12) | comments 2 | with audio podcast

Are teenagers wired differently than adults?

Parents have long suspected that the brains of their teenagers function differently than those of adults. With the advent of magnetic resonance imaging, or MRI, we have begun to appreciate how the brain continues to develop ...

Medicine & Health / Psychology & Psychiatry

created Nov 17, 2009 | popularity 5 / 5 (2) | comments 0

New mechanism for amyloid beta protein's toxic impact on the Alzheimer's brain

Scientists have uncovered a novel mechanism linking soluble amyloid -- protein with the synaptic injury and memory loss associated with Alzheimer's disease (AD). The research, published by Cell Press in the June 25 issue ...

Medicine & Health / Medical research

created Jun 24, 2009 | popularity not rated yet | comments 0

Investigating the development of mechanosensitivity

Researchers of the Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch, Germany, have gained crucial insight into how mechanosensitivity arises. By measuring electrical impulses in the sensory neurons of mice, the ...

Medicine & Health / Neuroscience

created May 22, 2009 | popularity 5 / 5 (1) | comments 0

Brain mechanisms for behavioral flexibility

New research provides insight into how the brain can execute different actions in response to the same stimulus. The study, published by Cell Press in the April 16 issue of the journal Neuron, suggests that i ...

Medicine & Health / Neuroscience

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