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 created Apr 02, 2013 | popularity not rated yet | comments 0

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

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 created Mar 28, 2013 | popularity 5 / 5 (5) | comments 2 | with audio podcast

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 created Mar 22, 2013 | popularity not rated yet | comments 0 | 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

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 created Mar 20, 2013 | popularity not rated yet | comments 0 | with audio podcast

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 created Mar 12, 2013 | popularity 4 / 5 (13) | comments 7 | with audio podcast

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

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

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 created Mar 05, 2013 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

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 created Feb 28, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

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 created Feb 16, 2013 | popularity 5 / 5 (5) | comments 0

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 created Feb 14, 2013 | popularity not rated yet | comments 0 | with audio podcast

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 created Feb 13, 2013 | popularity 5 / 5 (2) | comments 0 | with audio podcast

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 created Feb 07, 2013 | popularity 3.3 / 5 (3) | comments 0