Study finds new insights into different aspects of anxiety

Milan: While there is no definite cure for anxiety, a team of researchers sheds light on the source of unease and tension to help effectively treat anxiety as soon as the symptoms appear.

The study conducted by researchers of the University of Trento, which has just been published in Scientific Reports, pursues these goals and helps draw a line between different aspects of anxiety and to find the best treatment for each one.

The team of researchers focused on what goes on in the brain of people with the two main types of the condition: trait and state anxiety, respectively the temporary and the stable, chronic form of the disease.

Nicola De Pisapia, a researcher of the Department of Psychology and Cognitive Science of the University of Trento and scientific coordinator of the study, explained the difference between the two: "If you are feeling very tense today, but you usually are calm and quiet, you have high state and low trait anxiety."

"Whereas if you are unusually quiet, while in general you feel nervous, you may have low state and high trait anxiety. Therefore, state anxiety is a temporary condition, while trait anxiety is usually a stable feature of a person," the researcher said.

Clinical experience shows, among other things, that individuals with trait anxiety have difficulties managing stressful situations, are at risk of depression, have altered cognitive functions, are less socially competitive and tend to develop psychopathological disorders.

Differentiating between trait and state anxiety is helpful to choose the most appropriate treatment for patients and to prevent the condition from becoming chronic.

"Our study makes it clear that it is fundamental to treat individuals with state anxiety so that they do not develop trait anxiety, which is a chronic condition. One way to treat it is to reduce anxiety as soon as it manifests itself, for example using relaxation techniques, physical activity, and other means that improve personal well-being in general", commented De Pisapia.

The goal of the study was to better understand the neural bases of the two types of anxiety.

"Our research group studied and investigated with MRI the anatomy and activity of the brain at rest in more than 40 individuals. We then correlated our measurements to variations in state and trait anxiety in the participants in the study with standard questionnaires which are also used in clinical practice," commented De Pisapia.

De Pisapia added, "We found that the most stable aspects of trait anxiety are associated with specific anatomic traits which are therefore constant, and lead to developing repetitive and self-generated negative thoughts, while the features of state anxiety correlate to functional connectivity of the brain, which is a transient and dynamic activity".

In other words, trait anxiety correlates to permanent anatomic features (in the anterior cingulate cortex and medial prefrontal cortex) while state anxiety manifests with temporary reactions in the brain activity.

The study conducted by the University of Trento also led to findings that can be useful in clinical practice.

"Based on our results- a strategic improvement in anxiety regulation in high trait anxiety individuals could be achieved via pharmacological and/or neurostimulation methods (for example with Transcranial Magnetic Stimulation or transcranial Direct Current Stimulation). Finally, these findings may lead to the creation of new diagnostic tools and treatments aimed at ameliorating the symptoms of anxiety disorders and treat them before they become chronic", concluded Nicola De Pisapia.

(To download our E-paper please click here. The publishers permit sharing of the paper's PDF on WhatsApp and other social media platforms.)

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