Scientists learn more about how inhibitory brain cells get excited
Scientists have found an early step in how the brain's inhibitory cells get excited.
Neuroscience
Jan 30, 2013 |
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Scientists explain how ketamine vanquishes depression within hours
(Medical Xpress)—Many chronically depressed and treatment-resistant patients experience immediate relief from symptoms after taking small amounts of the drug ketamine. For a decade, scientists have been ...
Psychology & Psychiatry
Oct 04, 2012 |
4.8 / 5 (40) |
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What does chronic stress in adolescence mean at the molecular level?
Chronic stress has a more powerful effect on the brain during adolescence than in adulthood and now there's proof at the molecular level, according to findings published in Neuron by University at Buffalo researchers.
Neuroscience
Mar 07, 2012 |
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Control of fear in the brain decoded
When healthy people are faced with threatening situations, they react with a suitable behavioural response and do not descend into a state of either panic or indifference, as is the case, for example, with ...
Neuroscience
Sep 06, 2011 |
4.9 / 5 (8) |
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Many migraines may have a common genetic basis
(Medical Xpress) -- A study into the genetic basis of many common forms of migraine has identified three variants that suggest that most forms of migraine have a shared genetic foundation, regardless of how ...
Genetics
Jun 13, 2011 |
4.8 / 5 (4) |
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First steps of synapse building is captured in live zebra fish embryos
Using spinning disk microscopy on barely day-old zebra fish embryos, University of Oregon scientists have gained a new window on how synapse-building components move to worksites in the central nervous system.
Neuroscience
Apr 18, 2013 |
4 / 5 (1) |
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High levels of glutamate in brain may kick-start schizophrenia
An excess of the brain neurotransmitter glutamate may cause a transition to psychosis in people who are at risk for schizophrenia, reports a study from investigators at Columbia University Medical Center (CUMC) published ...
Neuroscience
Apr 18, 2013 |
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Researchers unravel molecular roots of Down syndrome
Sanford-Burnham researchers discover that the extra chromosome inherited in Down syndrome impairs learning and memory because it leads to low levels of SNX27 protein in the brain.
Medical research
Mar 24, 2013 |
4.4 / 5 (9) |
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Neuronal activity induces tau release from healthy neurons
Researchers from King's College London have discovered that neuronal activity can stimulate tau release from healthy neurons in the absence of cell death. The results published by Diane Hanger and her colleagues in EMBO re ...
Alzheimer's disease & dementia
Feb 15, 2013 |
4 / 5 (1) |
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Countering brain chemical could prevent suicides
(Medical Xpress)—Researchers have found the first proof that a chemical in the brain called glutamate is linked to suicidal behavior, offering new hope for efforts to prevent people from taking their own ...
Psychology & Psychiatry
Dec 14, 2012 |
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Experimental agent briefly eases depression rapidly in test: Works in brain like ketamine, with fewer side effects
(Medical Xpress)—A drug that works through the same brain mechanism as the fast-acting antidepressant ketamine briefly improved treatment-resistant patients' depression symptoms in minutes, with minimal untoward side effects, ...
Psychology & Psychiatry
Dec 11, 2012 |
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Next-generation treatments for Fragile X syndrome
A potential new therapeutic strategy for treating Fragile X syndrome is detailed in a new report appearing in the current issue of Biological Psychiatry, from researchers led by Dr. Lucia Ciranna at University of Catania in Ita ...
Psychology & Psychiatry
Nov 29, 2012 |
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Glutamate neurotransmission system may be involved with depression risk
Researchers using a new approach to identifying genes associated with depression have found that variants in a group of genes involved in transmission of signals by the neurotransmitter glutamate appear to increase the risk ...
Psychology & Psychiatry
Nov 13, 2012 |
4.5 / 5 (2) |
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Scientists identify compounds that could thwart post-traumatic stress disorder
A brain pathway that is stimulated by traumatic or fearful experiences can be disrupted by two compounds that show promise for preventing post-traumatic stress disorder, Indiana University researchers reported.
Psychology & Psychiatry
Oct 15, 2012 |
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Fragile X study offers new drug hope
(Medical Xpress)—An experimental drug can improve sociability in patients with fragile X syndrome and may be helpful as a treatment for autism, according to a study.
Autism spectrum disorders
Sep 24, 2012 |
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