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A recent imaging study led by a scientist at The University of Texas at Dallas has identified early risk factors linked to children’s temperament and a neural process that could foretell whether an individual might develop depression and anxiety in adolescence and early adulthood.
The study, published Oct. 26 in JAMA Psychiatry, celexa pmdd reviews tracked a cohort of 165 individuals from 4 months old, between 1989 and 1993, through age 26.
Dr. Alva Tang, assistant professor of psychology in the School of Behavioral and Brain Sciences and corresponding author of the study, found that people who are more inhibited in early childhood and who also don’t respond typically to potential rewards as adolescents are vulnerable to developing depression later in life, more so than anxiety.
“The findings highlight different mechanisms in the brain and relate them to who is at greater risk for developing different mental health issues,” said Tang, who conducted the research at the University of Maryland, College Park, before joining UT Dallas in August. “These results could inform the development of prevention-oriented treatments tailored to the individual.”
When babies are exposed to novel objects, people or situations, some react positively and approach them without fear, whereas others respond with wariness or avoidance. This differentiation defines uninhibited versus inhibited behavior.
“We know that inhibited children are more likely to have anxiety disorders later, particularly social anxiety, that begins in late childhood to adolescence,” Tang said. “Less has been known about depression, which generally has a later onset, in young adulthood. But we do know that people who have had an anxiety disorder are 50% to 60% more likely to have depression later in life, so inhibited children should have higher risk for depression as well.”
Tang’s research is unique for its characterization of the subjects’ early temperamental risks and the protracted length of time they were studied.
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