Amygdala Current Events | Amygdala News | 2
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Reward-stress link points to new targets for treating addiction
Rewarding and stressful signals don't seem to have much in common. But researchers studying diseases ranging from drug addiction to anxiety disorders are finding that the brain's reward and stress signaling circuits are intertwined in complex ways. view more (2008-12-17)
Mental illness and drug addiction may co-occur due to disturbance in part of the brain
Why do mental illness and drug addiction so often go together" New research reveals that this type of dual diagnosis may stem from a common cause: developmental changes in the amygdala, a walnut-shaped part of the brain linked to fear, anxiety and other emotions. view more (2007-12-03)
Anticipation plays a powerful role in human memory, brain study finds
Psychologists have long known that memories of disturbing emotional events-such as an act of violence or the unexpected death of a loved one-are more vivid and deeply imprinted in the brain than mundane recollections of everyday matters. view more (2006-09-05)
Overweight People May Not Know When They've Had Enough
Researchers at the U.S. Department of Energy's Brookhaven National Laboratory have found new clues to why some people overeat and gain weight while others don't. view more (2008-01-10)
New research reveals the emotional costs of alcoholism
Alcoholics, especially those who relapse after frequent attempts to "dry out", are damaging areas of their brain that recognise emotions, a University of Sussex study suggests. Research on people's responses to photographs of different emotional facial expressions shows that heavy drinkers who had previously tried to kick the bottle are... view more... (2002-03-01)
Activation of a protein solidifies fear memory in the brain
When activated, a specific protein in the brain enhances long-term storage of fearful memories and strengthens previously established fearful memories. view more (2006-01-25)
Exposure to trauma can affect brain function in healthy people several years after event
Exposure to trauma may create enough changes in the brain to sensitize people to overreact to an innocuous facial gesture years later, even in people who don't have a stress-related disorder, says new research. view more (2007-05-07)
Brain DNA 'remodeled' in alcoholism
Reshaping of the DNA scaffolding that supports and controls the expression of genes in the brain may play a major role in the alcohol withdrawal symptoms, particularly anxiety, that make it so difficult for alcoholics to stop using alcohol. view more (2008-04-02)
Women on hormone therapy regain emotion response
Older women on hormone therapy are more sensitive to negative events, confirming speculation that age-related estrogen loss affects the brain's ability to process emotion, an Oregon Health & Science University study shows. view more (2006-10-17)
Improving anxiety treatment through the help of brain imaging: A potential future treatment strategy
Wouldn't it be nice if our doctors could predict accurately whether we would respond to a particular medication" This question is important because research studies provide information about how groups of patients tend to respond to treatments, but inevitably, differences among groups of patients with the same diagnosis mean that findings... view more... (2008-05-09)
New protein synthesis not essential to memory formation
New research from the University of Illinois challenges the premise that the brain must build new proteins in response to an experience for that experience to be recorded in long-term memory. view more (2007-07-27)
Expectant brains help predict anxiety treatment success
A network of emotion-regulating brain regions implicated in the pathological worry that can grip patients with anxiety disorders may also be useful for predicting the benefits of treatment. view more (2009-01-05)
Emotional control circuit of brain's fear response discovered
Columbia University Medical Center researchers have identified an emotional control circuit in the human brain which keeps emotionally intense stimuli from interfering with mental functioning. view more (2006-09-21)
Brain's reward circuit activity ebbs and flows with a woman's hormonal cycle
Fluctuations in sex hormone levels during women's menstrual cycles affect the responsiveness of their brains' reward circuitry, an imaging study at the National Institute of Mental Health (NIMH), a component of the National Institutes of Health (NIH), has revealed. view more (2007-02-05)
Brain's reward circuit activity ebbs and flows with a woman's hormonal cycle
Fluctuations in sex hormone levels during women's menstrual cycles affect the responsiveness of their brains' reward circuitry, an imaging study at the National Institute of Mental Health (NIMH), a component of the National Institutes of Health (NIH), has revealed. view more (2007-02-05)
Researchers find alcoholics display abnormal brain activity when processing facial expressions
Researchers from Boston University School of Medicine (BUSM) have found that individuals who have a long history of alcoholism, but who have been abstinent for at least a month up to many years, showed abnormal brain activity when looking at facial expressions of others. view more (2009-08-11)
Study suggests new target for treatment of depression
A brain protein involved in fear behavior and anxiety may represent a new target for depression therapies. view more (2009-04-29)
Why don't painkillers work for people with fibromyalgia?
People who have the common chronic pain condition fibromyalgia often report that they don't respond to the types of medication that relieve other people's pain. view more (2007-09-28)
Measuring brain atrophy in patients with mild cognitive impairment
Scientists at the University of California, San Diego School of Medicine have shown that a fully automated procedure called Volumetric MRI - which measures the "memory centers" of the brain and compares them to expected size - is effective in predicting the progression from mild cognitive impairment (MCI) to Alzheimer's disease. view more (2009-06-17)
Yerkes researchers create animal model of chronic stress
In an effort to better understand how chronic stress affects the human body, researchers at the Yerkes National Primate Research Center and the Department of Psychiatry and Behavioral Sciences, Emory University, have created an animal model that shows how chronic stress affects behavior, physiology and reproduction. view more (2008-09-04)
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