As they go about their everyday lives, people often have to choose between a safe option and a riskier one, such as staying in a secure job, or starting a … Continue Reading Study identifies neural circuits involved in making risky decisions.
Learning and memory are among the brain’s most fundamental tools for survival. Accurate encoding of ‘contextual’ memories, which are associated with particular experiences, enables the person to exhibit the appropriate … Continue Reading Elusive ‘switch’ which helps brain distinguish safety from danger identified.
Low levels of serotonin in the brain are known to play a role in depression and anxiety, the involvement of serotonin (5-HT) in regulating emotional behaviour is firmly established. In … Continue Reading Researchers uncover new serotonin neuronal mechanism in depression.
A new MRI study from the University of Pittsburgh has found distinct injury patterns in the brains of people with concussion-related depression and anxiety. The team state that the data … Continue Reading Neuroimaging begins to map post-concussion depression and anxiety in human study.
Brain inflammation caused by chronic nerve pain alters activity in regions that regulate mood and motivation, suggesting for the first time that a direct biophysical link exists between long-term pain … Continue Reading Researchers link microglia activation triggered by chronic pain to anxiety and depression.
Fragile X syndrome, an inherited cause of autism and intellectual disability, can have consequences even for carriers of the disorder who don’t have full-blown symptoms. Some carriers may experience social … Continue Reading New previously unseen cellular mechanism identified in Fragile X syndrome.
When new medicines are invented, the drug may hit the intended target and nullify the symptoms, but nailing a bull’s eye, one that produces zero side effects, can be quite … Continue Reading New technique gives first-ever view of TSPO anxiety protein structure.
Connection between mitochondria, shortened telomeres and psychiatric disorders seen at a cellular level.
Researchers from Butler Hospital have identified an association between biological changes on the cellular level and both childhood adversity and psychiatric disorders. These changes in the form of telomere shortening … Continue Reading Connection between mitochondria, shortened telomeres and psychiatric disorders seen at a cellular level.
Panic disorder is a severe form of anxiety in which the affected individual feels an abrupt onset of fear, often accompanied by profound physical symptoms of discomfort. Scientists have known … Continue Reading Researchers begin to map the neurogenetics of panic disorder.
Frightening experiences do not quickly fade from memory. A team of researchers from the University of Bonn has now been able to demonstrate that the bonding hormone oxytocin inhibits the … Continue Reading Oxytocin helps to better overcome fear and conditioning.
People with mild cognitive impairment (MCI) are at increased risk of converting to Alzheimer’s disease within a few years, but a new study warns the risk increases significantly if they … Continue Reading Neuroimaging study begins to map damage caused by anxiety in the brain.