News tagged with dentate gyrus

Related topics: neurons




Off the grid: Environmental novelty changes hippocampal firing patterns

(Medical Xpress)—The brain's two hippocampal formations – one in each hemisphere's temporal lobe, medial to the inferior horn of the lateral ventricle and typically referring to the dentate gyrus, the ...

Neuroscience created Nov 07, 2012 | popularity 5 / 5 (5) | comments 3 | with audio podcast feature

Epilepsy sends differentiated neurons on the run

(Medical Xpress)—The smooth operation of the brain requires a certain robustness to fluctuations in its home within the body. At the same time, its extraordinary power derives from an activity structure ...

Neuroscience created Mar 29, 2013 | popularity 4.6 / 5 (5) | comments 0 | with audio podcast report

Portion of hippocampus found to play role in modulating anxiety

Columbia University Medical Center (CUMC) researchers have found the first evidence that selective activation of the dentate gyrus, a portion of the hippocampus, can reduce anxiety without affecting learning. ...

Neuroscience created Mar 06, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Study finds child abuse can lead to stunted brain development

(Medical Xpress) -- A small team of researchers has found that various forms of child abuse can lead to stunted development in certain regions of the brain. The research carried out by Martin Teicher, Carl ...

Neuroscience created Feb 14, 2012 | popularity 3 / 5 (2) | comments 1 | with audio podcast report

Researchers rebuild the brain's circuitry

Neuron transplants have repaired brain circuitry and substantially normalized function in mice with a brain disorder, an advance indicating that key areas of the mammalian brain are more reparable than was ...

Neuroscience created Nov 24, 2011 | popularity 4.6 / 5 (20) | comments 2 | with audio podcast

The neuroscience of finding your lost keys: How the brain keeps track of similar but distinct memories

Ever find yourself racking your brain on a Monday morning to remember where you put your car keys? When you do find those keys, you can thank the hippocampus, a brain region responsible for storing and retrieving ...

Neuroscience created Mar 21, 2013 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Medical center identifies role of neuron creation in anxiety disorders

(Medical Xpress)—People with anxiety disorders such as post-traumatic stress disorder (PTSD) often have impaired pattern separation—the process by which similar experiences are transformed into distinct ...

Medical research created Jan 24, 2013 | popularity not rated yet | comments 0 | with audio podcast

Lipid metabolism regulates the activity of adult neural stem cells

(Medical Xpress)—Neural stem cells in the adult brain boost their levels of lipid metabolism to grow and generate new neurons. This new finding may open novel therapeutic avenues to treat age- or disease-associated ...

Medical research created Dec 04, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Scientists discover blood factors that appear to cause aging in brains of mice

Memo to mature, health-minded vampires: You might want to consider limiting your treats to victims under age 30.

Medical research created Aug 31, 2011 | popularity 4.5 / 5 (2) | comments 1 | with audio podcast

Brain structure adapts to environmental change

Scientists have known for years that neurogenesis takes place throughout adulthood in the hippocampus of the mammalian brain. Now Columbia researchers have found that under stressful conditions, neural stem cells in the adult ...

Neuroscience created Jun 13, 2011 | popularity 4.7 / 5 (7) | comments 0 | with audio podcast

New neurons take six months or more to mature in non-human primate brain

New neurons take more than six months to mature in adult monkeys and that time is likely even longer in humans, according to researchers at the University of Pittsburgh School of Medicine, the University of Illinois, and ...

Medical research created Jun 06, 2011 | popularity not rated yet | comments 3 | with audio podcast

Transcription factor Prox1 controls hippocampal cellular diversity, researchers find

As is true of many brain structures, the hippocampus, which plays a central role in memory and learning, is made up of multiple cell types organized into domains controlling different functions. Distinct ...

Neuroscience created Oct 16, 2012 | popularity not rated yet | comments 0

Understanding the chemical mechanism behind antidepressants

(Medical Xpress)—Millions of Americans take antidepressants such as Prozac, Effexor, and Paxil, but the explanations for how they work never satisfied René Hen, a professor of psychiatry, neuroscience ...

Neuroscience created Sep 21, 2012 | popularity 5 / 5 (1) | comments 1

Memory formation triggered by stem cell development

Researchers at the RIKEN-MIT Center for Neural Circuit Genetics have discovered an answer to the long-standing mystery of how brain cells can both remember new memories while also maintaining older ones.

Neuroscience created Feb 23, 2012 | popularity 5 / 5 (2) | comments 0

Induction of mild inflammation leads to cognitive deficits related to schizophrenia

Researchers at the Institute for Comprehensive Medical Science, Fujita Health University and the National Institute for Physiological Sciences, Japan, along with colleagues from 9 other institutions, have identified an exceptional ...

Psychology & Psychiatry created Feb 06, 2013 | popularity not rated yet | comments 0