The best-laid plans: How we update our goals based on new information
Humans are adept at setting goals and updating them as new situations arise—for example, a person who is playing a video game may switch to a new goal when their phone rings.
Neuroscience
Dec 18, 2012 |
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Stress-resilience, susceptibility traced to neurons in reward circuit
A specific pattern of neuronal firing in a brain reward circuit instantly rendered mice vulnerable to depression-like behavior induced by acute severe stress, a study supported by the National Institutes ...
Neuroscience
Dec 12, 2012 |
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Scientists induce, relieve depression symptoms in mice with light
Among those who suffer from depression, the dual inabilities to experience enjoyment in things once pleasurable and to physically motivate oneself—to meet challenges, or even to get out of bed in the morning—have been ...
Neuroscience
Dec 12, 2012 |
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Hormone affects distance men keep from unknown women they find attractive
Men in committed relationships choose to keep a greater distance between themselves and an unknown woman they find attractive when given the hormone oxytocin, according to new research in the November 14 issue of The Journal of ...
Neuroscience
Nov 13, 2012 |
3.8 / 5 (9) |
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Study examines how Alzheimer's kills brain cells
(Medical Xpress)—Exactly how Alzheimer's disease kills brain cells is still somewhat of a mystery, but University of Michigan researchers have uncovered a clue that supports the idea that small proteins ...
Alzheimer's disease & dementia
Oct 17, 2012 |
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Blue Brain Project accurately predicts connections between neurons
One of the greatest challenges in neuroscience is to identify the map of synaptic connections between neurons. Called the "connectome," it is the holy grail that will explain how information flows in the ...
Neuroscience
Sep 17, 2012 |
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Brain's stem cells 'eavesdrop' to find out when to act
Working with mice, Johns Hopkins researchers say they have figured out how stem cells found in a part of the brain responsible for learning, memory and mood regulation decide to remain dormant or create new ...
Medical research
Aug 06, 2012 |
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Study identifies how muscles are paralyzed during sleep
Two powerful brain chemical systems work together to paralyze skeletal muscles during rapid eye movement (REM) sleep, according to new research in the July 11 issue of The Journal of Neuroscience. The finding may help scient ...
Neuroscience
Jul 11, 2012 |
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Novel mouse model for autism yields clues to a 50-year-old mystery
Early disruptions in serotonin signaling in the brain may contribute to autism spectrum disorder (ASD), and other "enduring effects on behavior," Vanderbilt University researchers report.
Autism spectrum disorders
Mar 20, 2012 |
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Researchers reveal how a single gene mutation leads to uncontrolled obesity
Researchers at Georgetown University Medical Center have revealed how a mutation in a single gene is responsible for the inability of neurons to effectively pass along appetite suppressing signals from the body to the right ...
Genetics
Mar 18, 2012 |
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Brain-imaging technique predicts who will suffer cognitive decline over time
Cognitive loss and brain degeneration currently affect millions of adults, and the number will increase, given the population of aging baby boomers. Today, nearly 20 percent of people age 65 or older suffer ...
Neuroscience
Feb 13, 2012 |
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New discovery could lead to treatment for Angelman syndrome
Results of a new study from the University of North Carolina at Chapel Hill may help pave the way to a treatment for a neurogenetic disorder often misdiagnosed as cerebral palsy or autism.
Genetics
Dec 21, 2011 |
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Neurons grown from skin cells may hold clues to autism
Potential clues to how autism miswires the brain are emerging from a study of a rare, purely genetic form of the disorders that affects fewer than 20 people worldwide. Using cutting-edge "disease-in a-dish" ...
Medical research
Nov 27, 2011 |
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Brain scans reveal drugs' effects on attention
(Medical Xpress) -- Scientists have developed a way to evaluate new treatments for some forms of attention deficit disorder.
Neuroscience
Oct 14, 2011 |
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Even in fruit flies, enriched learning drives need for sleep
Just like human teenagers, fruit flies that spend a day buzzing around the "fly mall" with their companions need more sleep. That's because the environment makes their brain circuits grow dense new synapses and they need ...
Medical research
Jun 23, 2011 |
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