Unveiling GABA and Serotonin Interactions During Neurodevelopment to Re-Open Adult Critical Periods for
Emanuela Beretta1, Gianmarco Cuboni1, Gabriele Deidda1,2,3
1Department of Biomedical Sciences, University of Padua, via Ugo Bassi n. 58/B, 35121 Padua, Italy.
None:
The mature brain is the result of a complex neurodevelopmental process resulting from interweaved mechanisms and involving early genetic and microenvironmental factors shaped by patterns of spontaneous electrical activity. During postnatal development, the immature brain undergoes experience-dependent structural and functional shaping and modifications during critical period (CP) time windows to achieve the full maturation of brain functions. Plasticity is higher during neurodevelopmental CP windows and is limited in the adult brain, including during neuropsychiatric disorders. Notably, the neurotransmitters γ-aminobutyric acid (GABA) and serotonin are two fundamental players controlling and modulating, respectively, brain plasticity in the developing and adult brain. Therefore, acquiring insights into the roles played by GABA and serotonin in regulating CP plasticity might hold potential for pharmacologically re-opening CP windows in adult life, with the aim of providing therapeutic intervention for neurological and neuropsychiatric disorders.
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