Article
Respiratory Sinus Arrhythmia (RSA) stress response in preschool age varies by serotonin transporter polymorphism (5-HTTLPR): A preliminary report.
Journal of experimental child psychology - 1 Jul 2022
Nazzari Sarah, Reali Pierluigi, Ceppi Elisa, Giorda Roberto, Piazza Caterina, Bianchi Anna Maria, Reni Gianluigi, Frigerio Alessandra
Abstract excerpt
The serotonin transporter promoter region polymorphism (5-HTTLPR) has been implicated in stress regulation, with increased stress reactivity often being found in carriers of the low-expressing short (S) allele. Nevertheless, the role of the 5-HTTLPR in influencing parasympathetic stress reactivity, as indexed by Respiratory Sinus Arrhythmia (RSA), is still unknown. This study examined, for the first time, whether...
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