Summary: According to a new Journal of Neuroscience report, an underdeveloped brain network underlying inhibition after the age of 30 is associated with increased self reporting of psychological problems such as anxiety and depression.

Source: SfN.

Underdevelopment of the brain network underlying inhibition — the ability to concentrate on a particular stimulus and tune out competing stimuli — after 30 years of age is associated with self-reported psychological problems, according to a study published in The Journal of Neuroscience.

Raluca Petrican and Cheryl Grady analyzed functional magnetic resonance imaging (fMRI) data from 359 adults (ages 22 to 36) participating in the Human Connectome Project to determine whether the patterns of connectivity associated with inhibition remain stable over time and across different contexts.

They identify patterns that differ between early and middle adulthood as well as between a working memory task and one that required them to process social and financial rewards. This finding suggests that the neural basis of inhibition varies as a result of age and circumstance.

The authors also found that people over age 30 who did not show a strong later adulthood pattern — which utilizes fewer specialized brain regions than the earlier adulthood pattern and may enable more efficient information processing — were more likely to report psychological traits such as anxiety and depression, attention and aggression.

Together, these findings indicate that inhibition is a late-developing ability important for healthy psychological functioning in mid-adulthood.

About this neuroscience research article

Funding: Supporters of the study include the Canadian Institutes of Health Research, Canada Research Chairs program.

Source: SfN

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Original Research: Abstract for “Contextual and Developmental Differences in the Neural Architecture of Cognitive Control” by Raluca Petrican and Cheryl L. Grady in Joural of Neuroscience. Published online July 16 2017 doi:10.1523/JNEUROSCI.0667-17.2017

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[cbtabs][cbtab title=”MLA”]SfN “Brain Connectivity After 30 May Predict Psychological Problems.” NeuroscienceNews. NeuroscienceNews, 17 July 2017.

<https://neurosciencenews.com/brain-connectivity-psychological-problems-7096/>.[/cbtab][cbtab title=”APA”]SfN (2017, July 17). Brain Connectivity After 30 May Predict Psychological Problems. NeuroscienceNew. Retrieved July 17, 2017 from https://neurosciencenews.com/brain-connectivity-psychological-problems-7096/[/cbtab][cbtab title=”Chicago”]SfN “Brain Connectivity After 30 May Predict Psychological Problems.” https://neurosciencenews.com/brain-connectivity-psychological-problems-7096/ (accessed July 17, 2017).[/cbtab][/cbtabs]

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