Nutrition Research Center
Scientific progress on happiness – The happiness trend depends on the size and feature a small structure – a kind of chip – stay at the center of the brain, according to a study by researchers at the Institute of Montreal Douglas published in the journal Molecular Psychiatry. 
This discovery opens the way for faster detection of some mental illnesses and in the future to regulate one of the most important challenges of human beings across time and space, find meaning in life simply enjoying it.
The area in question is called the caudate nucleus, which is a small area hidden beneath the cortex, in the center of the brain and is part of an ensemble called basal ganglia.
The caudate nucleus is related to voluntary actions and allows people to learn what are the behaviors that they seek pleasure.
The area of the brain that brings happiness is smaller than normal in people who have a high level of a disorder characterized by an inability to experience pleasure.
This is anhedonia, which causes loss of interest and even the ability to feel satisfaction in anything you do. The experts consider a clear symptom of acute depression and schizophrenia, because depression is not the cause, but for the opposite effect that lack of pleasure and enjoy positive emotions, people are depressed.
So far, the general criteria for identifying the presence of anhedonia in someone was constantly analyze their dissatisfaction about their abilities and achievements, assess their interpersonal relationships. With the new discovery is possible a more accurate diagnosis of certain types of depression and even to detect it early.
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