brain

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No Tired Explanation: Yawning May Cool Brain

Evolutionary adaptation keeps the nervous system's motherboard cool

(Newser) - Yawning may be less a response to boredom than a natural mechanism for cooling off overheated brains, new research says. The human brain operates optimally when cool, much like a computer, and conditions like fatigue actually cause the organ to heat up, ABC News reports. A quick gulp of air...

Trauma Patients Control Memory With Minds

'Try not to think about it' is good advice, research reveals

(Newser) - Suppressing memories may be as simple as deciding not to think about them, scientists say, offering hope to survivors of traumatic events. Researchers say the findings in a report out today could lead to new treatments for PTSD by offering patients a measure of control over their recollection of disturbing...

Research Gives Alzheimer's Patients Hope

New study suggests disease-related memory loss may be reversible

(Newser) - Alzheimer's patients may be able to recover some memory by using a combo of drugs and mental stimulation, a new study in the journal Nature concludes. Mice with an Alzheimer's-like condition were more likely to remember an electric shock if they had taken a drug stimulating brain-cell growth or lived...

Implant Tricks Brain To Lower Blood Pressure

Implant delivers shocks to lower blood pressure

(Newser) - A pacemaker-like implant that relies on small electrical shocks may cut the risk of heart attack and stroke in half for patients with drug-resistant hypertension, a new study shows. The device, which sends electrical shocks through the neck's carotid arteries, tricks the brain into thinking blood pressure is even higher...

Scented Sleep Boosts Memory in the Morning

(Newser) - Add a little scent to your evening and your sleep, and your memory works better in the morning. A recent study showed that the smell of roses, administered while participants played a computer game, and then while they slept, improved their rate of recall after they woke by 13...

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