Anxiety and the size of your frontal cortex – yes, you have a frontal cortex!

We were ahead of the curve and  we’re happy to say that the current and extensive research in the neurochemistry of emotion is reshaping psychotherapy.  In addition to neurochemistry researchers are also finding  that the very structure of the brain is important.   Peggy & Judy

Take a look at this anxiety research !

“Healthy college students who have a relatively small inferior frontal cortex – a brain region behind the temples that helps regulate thoughts and emotions – are more likely than others to suffer from anxiety . .  . They also tend to view neutral or even positive events in a negative light, researchers report.”*

“The researchers evaluated 62 students, collecting brain structural data from neuroimaging scans and using standard questionnaires to determine their level of anxiety and predilection for negative bias.”

“Previous studies of people diagnosed with anxiety have found similar correlations between the size of the IFC and anxiety and negative bias, said U. of I. professor of psychology Sanda Dolcos, who led the study with graduate student Yifan Hu. But the new findings, reported in the journal Social Cognitive and Affective Neuroscience, are the first to see these same dynamics in healthy adults, the researchers said.”

“You would expect these brain changes more in clinical populations where anxiety is very serious, but we are seeing differences even in the brains of healthy young adults,” Dolcos said.”

“The study also found that the relationship between the size of the IFC and a student’s negative bias was mediated by their level of anxiety.”

‘”People who have smaller volumes have higher levels of anxiety; people who have larger IFCs tend to have lower levels of anxiety,” Dolcos said. And higher anxiety is associated with more negative bias, she said. “How we see this is that the higher volume of the IFC confers resilience.”‘

“We found that larger IFC volume is protecting against negative bias through lower levels of trait anxiety,” Hu said.

“Anxiety can interfere with many dimensions of life, causing a person to be on high alert for potential problems even under the best of circumstances . . .  Negative bias also can interfere with a person’s commitment to activities that might further their life goals.”

“Understanding the interrelatedness of brain structure, function and personality traits such as anxiety and their behavioral effects such as negative bias will help scientists develop interventions to target specific brain regions in healthy populations.”

“We hope to be able to train the brain to function better,” she said. “That way, we might prevent these at-risk people from moving on to more severe anxiety.”

*UNIVERSITY OF ILLINOIS PSYCHOLOGY RESEARCHER SANDA DOLCOS AND GRADUATE STUDENT YIFAN HU

https://www.eurekalert.org/pub_releases/2017-04/uoia-slb041317.php

3 comments on “Anxiety and the size of your frontal cortex – yes, you have a frontal cortex!

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