Puberty, sex, and fear extinction retention: A neuroimaging study in youth

Anxiety disorders affect 31.1 % of U.S. adults, with females exhibiting twice the prevalence of males. While sex differences are well-documented, underlying mechanisms remain unclear. Advanced pubertal status is linked to increased anxiety symptoms in females but not males, suggesting puberty contri...

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Main Authors: Sneha Bhargava, Clara G. Zundel, MacKenna Shampine, Samantha Ely, Carmen Carpenter, Jennifer Losiowski, Shravya Chanamolu, Jovan Jande, Reem Tamimi, Kamakashi Sharma, Emilie O’Mara, Alaina M. Jaster, Hilary A. Marusak
Format: Article
Language:English
Published: Elsevier 2025-10-01
Series:Developmental Cognitive Neuroscience
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Online Access:http://www.sciencedirect.com/science/article/pii/S1878929325000908
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Summary:Anxiety disorders affect 31.1 % of U.S. adults, with females exhibiting twice the prevalence of males. While sex differences are well-documented, underlying mechanisms remain unclear. Advanced pubertal status is linked to increased anxiety symptoms in females but not males, suggesting puberty contributes to sex differences in fear-based disorders. Deficits in fear extinction and retention are implicated in anxiety, and prior research suggests sex hormones influence extinction retention. This study examined sex assigned at birth (parent-reported) and pubertal status (self-reported) on extinction retention in 101 youth (47.5 % female) using a Pavlovian fear extinction paradigm. Measures included self-reported anxiety symptoms, extinction retention, and neural activation in the amygdala, hippocampus, and anterior cingulate cortex (ACC).
ISSN:1878-9293