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When your memories can no longer be trusted
You went to a wedding yesterday. The service was beautiful, the food and drink flowed and there was dancing all night. But people tell you that you are in hospital, that you have been in hospital for weeks, and that you didn't go to a wedding yesterday at all. view more (2008-05-29)
Pathways of emotion - from cortex to peripheral organs
Walking down a dark alley late at night is enough to give anyone the heebie-jeebies. Your heart starts racing, your palms get clammy and you get ready to run. Now researchers from Boston University have unravelled the neural pathways that transmit information about your surroundings to your organs, enabling them to respond appropriately. The... view more... (2003-10-07)
MIT neuroscientists find neural stopwatch in the brain
MIT researchers have identified populations of neurons that code time with extreme precision in the primate brain. These neurons are found in two interconnected brain regions, the prefrontal cortex and the striatum, both of which are known to play critical roles in learning, movement, and thought control. view more (2009-10-20)
Prefrontal cortex loses neurons during adolescence, researchers find
Researchers at the University of Illinois have found that adolescence is a time of remodeling in the prefrontal cortex, a brain structure dedicated to higher functions such as planning and social behaviors. view more (2007-03-14)
Why delaying gratification is smart: A neural link between intelligence and self-control
If you had a choice between receiving $1,000 right now or $4,000 ten years from now, which would you pick? Psychologists use the term "delay discounting" to describe our inability to resist the temptation of a smaller immediate reward in lieu of receiving a larger reward at a later date. view more (2008-09-10)
Activation of the prefrontal cortex improves working memory
Psychologists and neurologists invest considerable effort in the study of working memory. In terms of information retention, there is a difference between long-term memory, which is affected in diseases such as Alzheimer, and short-term or working memory, which allows us to make immediate decisions or structure a discourse. view more (2009-04-02)
MIT: Long-distance brain waves focus attention
Just as our world buzzes with distractions - from phone calls to e-mails to tweets - the neurons in our brain are bombarded with messages. view more (2009-05-29)
Stress-related disorders affect brain's processing of memory
Researchers using functional MRI (fMRI) have determined that the circuitry in the area of the brain responsible for suppressing memory is dysfunctional in patients suffering from stress-related psychiatric disorders. Results of the study will be presented today at the annual meeting of the Radiological Society of North America (RSNA). view more (2008-12-03)
Trying to control pain can be a double-edged sword, say scientists
Scientists have shown for the first time why a feeling of control helps us reduce pain. The research, carried out at the Wellcome Trust Centre for Neuroimaging at UCL, London, has implications for how patients with persistent pain can cope with what is often a debilitating condition. view more (2006-11-01)
Adult brain processes fractions 'effortlessly'
Although fractions are thought to be a difficult mathematical concept to learn, the adult brain encodes them automatically without conscious thought. view more (2009-04-08)
Autism problems explained in new research
New research from Melbourne's Howard Florey Institute helps to explain why children with autism spectrum disorders (autism) have problem-solving difficulties. view more (2005-10-25)
Potential new approach to treat cognitive impairments in schizophrenia
A new study reports important evidence for a potential new treatment approach for those diagnosed with schizophrenia. Schizophrenia is considered one of the most devastating of the major psychiatric disorders, which has three distinct facets, often referred to as "positive" (hallucinations, delusions), "negative" (blunted... view more... (2007-09-25)
Time-Keeping Brain Neurons Discovered
Groups of neurons that precisely keep time have been discovered in the primate brain by a team of researchers that includes Dezhe Jin, assistant professor of physics at Penn State University and two neuroscientists from the RIKEN Brain Science Institute in Japan and the Massachusetts Institute of Technology (MIT). view more (2009-10-22)
Caltech scientists find evidence for precise communication across brain areas during sleep
By listening in on the chatter between neurons in various parts of the brain, researchers from the California Institute of Technology (Caltech) have taken steps toward fully understanding just how memories are formed, transferred, and ultimately stored in the brain--and how that process varies throughout the various stages of sleep. view more (2009-02-26)
Discovery of post-stimulus activated release implies new mechanisms for dopamine release
The neurotransmitter dopamine continues to be released for nearly an hour after neurons are stimulated, suggesting the existence of secondary mechanisms that allow for sustained availability of dopamine in different regions of the brain including areas critical for memory consolidation, drug induced plasticity and maintaining active networks... view more... (2006-10-16)
Young Adults May Outgrow Bipolar Disorder
Bipolar disorder, or manic-depression, causes severe and unusual shifts in mood and energy, affecting a person's ability to perform everyday tasks. With symptoms often starting in early adulthood, bipolar disorder has been thought of traditionally as a lifelong disorder. view more (2009-09-30)
Risk and reward compete in brain
That familiar pull between the promise of victory and the dread of defeat - whether in money, love or sport - is rooted in the brain's architecture, according to a new imaging study. view more (2008-10-10)
Regulating emotion after experiencing a sexual assault
After exposure to extreme life stresses, what distinguishes the individuals who do and do not develop posttraumatic stress disorder (PTSD)? view more (2009-10-22)
Hormone replacement therapy may improve trip down memory lane
Many women experience declines in their memory during and after menopause, a change thought to be due, in part, to the rapid hormonal changes they weather during that time. view more (2006-11-17)
Lost in thought: Brain research
Can one literally "lose oneself" in an experience? Many theoretical models of the mind reject this notion, proposing that awareness is dependent on the mediation of areas involved in self representation - a vigilant, self-aware "observer" network - in the human brain. view more (2006-05-17)
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