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Individuals Genetically Predisposed to Anxiousness May Be Less Likely to Volunteer and Help Others

Individuals Genetically Predisposed to Anxiousness May Be Less Likely to Volunteer and Help Others | Social Neuroscience Advances | Scoop.it
I’ve always known, from my own experience with depression, that there is a strong connection between volunteer work and mental health.
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Social Neuroscience Advances
Understanding ourselves and how we interact
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The Y Chromosome- It's Not Just Sex | I Fucking Love Science

The Y Chromosome- It's Not Just Sex | I Fucking Love Science | Social Neuroscience Advances | Scoop.it
It might look small, but it’s got a lot to offer and it’s here to stay. I am of course talking about the Y chromosome, the stumpy partner of X. This comparatively meager looking chromosome has long been thought to play few roles aside from sex determination in mammals.
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American Academy of Arts and Sciences elects neuroscientist Larry Young

American Academy of Arts and Sciences elects neuroscientist Larry Young | Social Neuroscience Advances | Scoop.it
Emory neuroscientist Larry Young has been elected a member of one of the nation's most prestigious honorary societies and a leading center for independent policy research.
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Researchers study differences in the prevalence of headaches worldwide

Researchers study differences in the prevalence of headaches worldwide | Social Neuroscience Advances | Scoop.it
Researchers around the world are working in a joint effort to create an international research tool for understanding and combating headaches.
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To Mark Territory or Not to Mark Territory: Breaking the Pheromone Code

To Mark Territory or Not to Mark Territory: Breaking the Pheromone Code | Social Neuroscience Advances | Scoop.it
A team led by scientists at The Scripps Research Institute has deciphered the surprisingly versatile code by which chemical cues help trigger some of the most basic behaviors in mice.
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Fruit fly study identifies brain circuit that drives daily cycles of rest, activity

Fruit fly study identifies brain circuit that drives daily cycles of rest, activity | Social Neuroscience Advances | Scoop.it
Amita Sehgal, PhD, a professor of Neuroscience at the Perelman School of Medicine, University of Pennsylvania, describes in Cell a circuit in the brain of fruit flies that controls their daily, rhythmic behavior of rest and activity.
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Study finds physical signs of depression common among ICU survivors

Study finds physical signs of depression common among ICU survivors | Social Neuroscience Advances | Scoop.it
Depression affects more than one out of three survivors of critical illness, according to a Vanderbilt study released in The Lancet Respiratory Medicine, and the majority of patients experience their symptoms physically rather than mentally.
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The Psychology of Social: Are We Hardwired to Use Social Media?

The Psychology of Social: Are We Hardwired to Use Social Media? | Social Neuroscience Advances | Scoop.it
Man is by nature a social animal; an individual who is unsocial naturally and not accidentally is either beneath our notice or more than human. Society is something that precedes the individual. An...
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Less myelin in higher regions of the cerebral cortext may allow emergence of highly complex neuronal behaviors

Less myelin in higher regions of the cerebral cortext may allow emergence of highly complex neuronal behaviors | Social Neuroscience Advances | Scoop.it

The higher you look in the cerebral cortex, the less myelin you'll find. Myelin, the electrical insulating material in the body long known to be essential for the fast transmission of impulses along the axons of nerve cells, is not as ubiquitous as thought, according to new work led by Professor Paola Arlotta of the Harvard Stem Cell Institute (HSCI) and the University’s Department of Stem Cell and Regenerative Biology, in collaboration with Professor Jeff Lichtman of Harvard’s Department of Molecular and Cellular Biology.


“Myelin is a relatively recent invention during evolution,” says Arlotta. “It’s thought that myelin allowed the brain to communicate really fast to the far reaches of the body, and that it has endowed the brain with the capacity to compute higher-level functions.”


In fact, loss of myelin is a feature in a number of devastating diseases, including multiple sclerosis and schizophrenia. But the new research shows that despite myelin’s essential roles in the brain, “some of the most evolved, most complex neurons of the nervous system have less myelin than older, more ancestral ones,” said Arlotta, co-director of the HSCI neuroscience program.


She said the higher one looks in the cerebral cortex — closer to the top of the brain, which is its most evolved part — the less myelin one finds.  Not only that, but “neurons in this part of the brain display a brand-new way of positioning myelin along their axons that has not been previously seen. They have ‘intermittent myelin’ with long axon tracts that lack myelin interspersed among myelin-rich segments.”


“Contrary to the common assumptions that neurons use a universal profile of myelin distribution on their axons, the work indicates that different neurons choose to myelinate their axons differently,” Arlotta said.


“In classic neurobiology textbooks, myelin is represented on axons as a sequence of myelinated segments separated by very short nodes that lack myelin. This distribution of myelin was tacitly assumed to be always the same, on every neuron, from the beginning to the end of the axon. This new work finds this not to be the case.”


The results of the research by Arlotta and postdoctoral fellow Giulio Srubek Tomassy, the first author on the report, are published in the latest edition of the journal Science.


Via Dr. Stefan Gruenwald
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Loss of memory in Alzheimer's mice models reversed through gene therapy

Loss of memory in Alzheimer's mice models reversed through gene therapy | Social Neuroscience Advances | Scoop.it
Alzheimer's disease is the leading cause of dementia and affects some 400,000 people in Spain alone. However, no effective cure has yet been found. One of the reasons for this is the lack of knowledge about the cellular mechanisms which cause alterations in nerve transmissions and the loss of memory ...

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Rebuilding Memories Makes Them Stick

Rebuilding Memories Makes Them Stick | Social Neuroscience Advances | Scoop.it
Even after his death, the famous amnesic H. M. is revolutionizing our understanding of how memory works and how we maintain it as we age
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Depressed? Researchers identify new anti-depressant mechanisms

Depressed? Researchers identify new anti-depressant mechanisms | Social Neuroscience Advances | Scoop.it
Researchers at UT Southwestern Medical Center are making breakthroughs that could benefit people suffering from depression.
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Neuroscientists discover brain circuits involved in emotion

Neuroscientists discover brain circuits involved in emotion | Social Neuroscience Advances | Scoop.it
Neuroscientists have discovered a brain pathway that underlies the emotional behaviours critical for survival.
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Newly-Approved Brain Stimulator Offers Hope for Individuals With Uncontrolled Epilepsy

A recently FDA-approved device has been shown to reduce seizures in patients with medication-resistant epilepsy by as much as 50 percent. When coupled with an innovative electrode placement planning system developed by physicians at Rush, the device facilitated the complete elimination of seizures in nearly half of the implanted Rush patients enrolled in the decade-long clinical trials.

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Yerkes Research Center receives five-year, $9.5 million grant to study oxytocin

Yerkes Research Center receives five-year, $9.5 million grant to study oxytocin | Social Neuroscience Advances | Scoop.it
The Yerkes National Primate Research Center, Emory has received a five-year, $9.5 million grant from the National Institute of Mental Health to establish a Silvio O. Conte Center in Neuroscience Research to study oxytocin, a brain chemical known for forming bonds between mother and baby.
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White matter might matter much more than we thought

Computer-generated image of three cortical neurons showing differences in the distribution of myelin (shown in white). Image: Daniel Berger and Giulio Tomassy/Harvard University.

Changes in the brain's myelin distribution might be a hitherto unrecognised form of neuronal plasticity.

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Study Opens Prospects of New Treatments for Memory Impairment in Alzheimer's, Parkinson's, PTSD, Depression

Study Opens Prospects of New Treatments for Memory Impairment in Alzheimer's, Parkinson's, PTSD, Depression | Social Neuroscience Advances | Scoop.it
Indiana U. neuroscientists are zeroing in with increasing certainty on the notion that nonhuman animals have a particular type of memory known as "source memory," long seen as exclusively human.
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Researchers pinpoint protein crucial for development of biological rhythms in mice

Researchers pinpoint protein crucial for development of biological rhythms in mice | Social Neuroscience Advances | Scoop.it
Johns Hopkins researchers report that they have identified a protein essential to the formation of the tiny brain region in mice that coordinates sleep-wake cycles and other so-called circadian rhythms.
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Researchers discover new genetic brain disorder in humans

Researchers discover new genetic brain disorder in humans | Social Neuroscience Advances | Scoop.it
A newly identified genetic disorder associated with degeneration of the central and peripheral nervous systems in humans, along with the genetic cause, is reported in the April 24, 2014 issue of Cell.
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How to Remember Like a Pro

How to Remember Like a Pro | Social Neuroscience Advances | Scoop.it
Step into your "Memory Palace." (How to Remember Like a Pro | Psychology Today http://t.co/uvOtvuQuiT)
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Researchers Build New "Off Switch" to Shut Down Neural Activity

Researchers Build New "Off Switch" to Shut Down Neural Activity | Social Neuroscience Advances | Scoop.it
Howard Hughes Medical Institute (HHMI) scientists have used an analysis of channelrhodopsin's molecular structure to guide a series of genetic mutations to the ion channel that grant the power to silence neurons with an unprecedented level of...
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Higher Education Associated With Better Recovery From Traumatic Brain Injury

Higher Education Associated With Better Recovery From Traumatic Brain Injury | Social Neuroscience Advances | Scoop.it
Better-educated people appear to be significantly more likely to recover from a moderate to severe traumatic brain injury (TBI), suggesting that a brain’s “cognitive reserve” may play a role in helping people get back to their previous lives, new Johns Hopkins research shows.

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Bionic Ears Boosted by Gene Therapy and Regrown Nerves

Bionic Ears Boosted by Gene Therapy and Regrown Nerves | Social Neuroscience Advances | Scoop.it
The performance of cochlear implants has been improved with the use of gene therapy, suggesting a new avenue for developing better hearing aids
-- Read more on ScientificAmerican.com
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Scientists identify critical new protein complex involved in learning and memory

Scientists identify critical new protein complex involved in learning and memory | Social Neuroscience Advances | Scoop.it
Scientists from the Florida campus of The Scripps Research Institute (TSRI) have identified a protein complex that plays a critical but previously unknown role in learning and memory formation.
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Pain curbs sex drive in female mice, but not in males

Pain curbs sex drive in female mice, but not in males | Social Neuroscience Advances | Scoop.it
“Not tonight, dear, I have a headache.” Generally speaking, that line is attributed to the wife in a couple, implying that women’s sexual desire is more affected by pain than men’s.
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Neuroimaging Technique: Live from inside the cell in real-time

Neuroimaging Technique: Live from inside the cell in real-time | Social Neuroscience Advances | Scoop.it
A novel imaging technique provides insights into the role of redox signaling and reactive oxygen species in living neurons, in real time. Scientists have developed a new optical microscopy technique to unravel the role of 'oxidative stress' in healthy as well as injured nervous systems.
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