News tagged with proceedings of national academy of sciences


How the brain loses and regains consciousness (w/ video)

Since the mid-1800s, doctors have used drugs to induce general anesthesia in patients undergoing surgery. Despite their widespread use, little is known about how these drugs create such a profound loss of ...

Neuroscience created Mar 04, 2013 | popularity 4.9 / 5 (8) | comments 0 | with audio podcast

Protein synthesis blocker may hold key to reducing effects of traumatic events

Reducing fear and stress following a traumatic event could be as simple as providing a protein synthesis blocker to the brain, report a team of researchers from McLean Hospital, Harvard Medical School, McGill University, ...

Neuroscience created Mar 04, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Parkinson's brain rhythms suggest better way to treat disease with deep brain stimulation

A team of scientists and clinicians at UC San Francisco has discovered how to detect abnormal brain rhythms associated with Parkinson's by implanting electrodes within the brains of people with the disease.

Parkinson's & Movement disorders created Mar 04, 2013 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Discovery opens door to new drug options for serious diseases

Researchers have discovered how oxidative stress can turn to the dark side a cellular protein that's usually benign, and make it become a powerful, unwanted accomplice in neuronal death.

Medical research created Mar 04, 2013 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Brain adds cells in puberty to navigate adult world

The brain adds new cells during puberty to help navigate the complex social world of adulthood, two Michigan State University neuroscientists report in the current issue of the Proceedings of the National Academy of Sciences.

Neuroscience created Mar 04, 2013 | popularity 5 / 5 (3) | comments 2 | with audio podcast

Mammalian placenta reflects exposure to stress, impacts offsprings' brains, research finds

The mammalian placenta is more than just a filter through which nutrition and oxygen are passed from a mother to her unborn child. According to a new study by a research group from the University of Pennsylvania School of ...

Medical research created Mar 04, 2013 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Misplaced molecules: New insights into the causes of dementia

A team of German and Belgian researchers has succeeded in gaining new insights into the causes of certain movement disorders and forms of dementia. Scientists including Bettina Schmid and Christian Haass from the German Center ...

Neuroscience created Mar 01, 2013 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast

Changing shape makes chemotherapy drugs better at targeting cancer cells

(Medical Xpress)—Bioengineering researchers at University of California, Santa Barbara have found that changing the shape of chemotherapy drug nanoparticles from spherical to rod-shaped made them up to ...

Cancer created Feb 27, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

No genetic clock for neuron longevity

(Medical Xpress)—People are living longer than ever before, thanks to medical and technological advances. Unfortunately, aging can be associated with a decrease in brain function. This is because, unlike ...

Neuroscience created Feb 27, 2013 | popularity 5 / 5 (5) | comments 0 | with audio podcast report

Novel combination therapy shuts down escape route, killing glioblastoma tumor cells

Glioblastoma, the most common and lethal form of brain tumor in adults, is challenging to treat because the tumors rapidly become resistant to therapy. As cancer researchers are learning more about the causes of tumor cell ...

Cancer created Feb 26, 2013 | popularity 5 / 5 (1) | comments 2 | with audio podcast

Blood vessels 'sniff' gut microbes to regulate blood pressure

Researchers at The Johns Hopkins University and Yale University have discovered that a specialized receptor, normally found in the nose, is also in blood vessels throughout the body, sensing small molecules ...

Medical research created Feb 26, 2013 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Study shows human brain able to discriminate syllables three months prior to birth

(Medical Xpress)—A team of French researchers has discovered that the human brain is capable of distinguishing between different types of syllables as early as three months prior to full term birth. As ...

Neuroscience created Feb 26, 2013 | popularity 4.8 / 5 (4) | comments 7 | with audio podcast report

Sleep deprivation may disrupt your genes, study says

(HealthDay)—Far more than just leaving you yawning, a small amount of sleep deprivation disrupts the activity of genes, potentially affecting metabolism and other functions in the human body, a new study ...

Medical research created Feb 25, 2013 | popularity 4.3 / 5 (9) | comments 1 | with audio podcast

BPA may affect the developing brain by disrupting gene regulation

Environmental exposure to bisphenol A (BPA), a widespread chemical found in plastics and resins, may suppress a gene vital to nerve cell function and to the development of the central nervous system, according ...

Medical research created Feb 25, 2013 | popularity 5 / 5 (6) | comments 1 | with audio podcast

Study discloses new test for river blindness infection

Scientists at The Scripps Research Institute (TSRI) have found a telltale molecular marker for Onchocerciasis or "river blindness," a parasitic infection that affects tens of millions of people in Africa, ...

Diseases, Conditions, Syndromes created Feb 25, 2013 | popularity 5 / 5 (1) | comments 0 | with audio podcast