News tagged with hippocampus
Related topics: brain , memory , neurons , brain regions , brain structure
Epileptic seizures can propagate using functional brain networks
The seizures that affect people with temporal-lobe epilepsy usually start in a region of the brain called the hippocampus. But they are often able to involve other areas outside the temporal lobe, propagating ...
Neuroscience
Apr 02, 2013 |
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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
Mar 29, 2013 |
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Scientists identify brain's 'molecular memory switch'
Scientists have identified a key molecule responsible for triggering the chemical processes in our brain linked to our formation of memories. The findings, published in the journal Frontiers in Neural Circuits, reveal ...
Neuroscience
Mar 28, 2013 |
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Mapping blank spots in the cheeseboard maze
(Medical Xpress)—During spatial learning, space is represented in the hippocampus through plastic changes in the connections between neurons. Jozsef Csicsvari and his collaborators investigate spatial learning ...
Neuroscience
Mar 22, 2013 |
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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
Mar 21, 2013 |
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Brain mapping reveals neurological basis of decision-making in rats
Scientists at UC San Francisco have discovered how memory recall is linked to decision-making in rats, showing that measurable activity in one part of the brain occurs when rats in a maze are playing out memories that help ...
Neuroscience
Mar 20, 2013 |
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Researchers discover sleep mechanism critical to memory consolidation and find that Ambien enhances the process
(Medical Xpress)—A team of sleep researchers led by UC Riverside psychologist Sara C. Mednick has confirmed the mechanism that enables the brain to consolidate memory and found that a commonly prescribed ...
Neuroscience
Mar 12, 2013 |
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Research illuminates molecular mechanism for why stimulating environment may protect against Alzheimer's disease
"Use it or lose it." The saying could apply especially to the brain when it comes to protecting against Alzheimer's disease. Previous studies have shown that keeping the mind active, exercising and social interactions may ...
Alzheimer's disease & dementia
Mar 06, 2013 |
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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
Mar 06, 2013 |
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Novel storage mechanism allows command, control of memory
(Medical Xpress)—Introductions at a party seemingly go in one ear and out the other. However, if you meet someone two or three times during the party, you are more likely to remember his or her name. Your ...
Neuroscience
Mar 05, 2013 |
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Homer prevents stress-induced cognitive deficits: A lack of Homer-1 in the brain causes learning problems in mice
(Medical Xpress)—Before examinations and in critical situations, we need to be particularly receptive and capable of learning. However, acute exam stress and stage fright causes learning blockades and reduced ...
Neuroscience
Feb 28, 2013 |
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Novel herbal compound offers potential to prevent and treat Alzheimer's disease
Administration of the active compound tetrahydroxystilbene glucoside (TSG) derived from the Chinese herbal medicine Polygonum multiflorum Thunb, reversed both overexpression of α-synuclein, a small protein found in the brain, ...
Alzheimer's disease & dementia
Feb 16, 2013 |
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Methamphetamine withdrawal may lead to brain-related concerns for recovering addicts
University of Florida researchers have found changes in the behavior and in the brains of mice in withdrawal from methamphetamine addiction. These findings may affect the way physicians treat recovering methamphetamine addicts, ...
Medical research
Feb 14, 2013 |
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Study in mice yields Angelman advance
In a new study in mice, a scientific collaboration centered at Brown University lays out in unprecedented detail a neurological signaling breakdown in Angelman syndrome, a disorder that affects thousands ...
Medical research
Feb 13, 2013 |
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How chronic pain disrupts short term memory
A group of Portuguese researchers from IBMC and FMUP at the University of Porto has found the reason why patients with chronic pain often suffer from impaired short –term memory. The study, to be published ...
Neuroscience
Feb 07, 2013 |
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