Abstract:
Mood regulation and social behavior are increasingly understood as emergent properties of interacting neuro chemical systems rather than the result of isolated neurotransmitter activity. Despite significant advances in psy chiatric neurochemistry, dominant explanatory models continue to privilege single-neurotransmitter dysfunctions, limiting their ability to account for clinical heterogeneity and context-dependent emotional responses. Among the neurochemical systems implicated in affective and social regulation, oxytocin and noradrenaline occupy a central and complementary role.This study adopts an original theoretical-research approach to critically examine the in teraction between oxytocinergic and noradrenergic systems in the modulation of emotional regulation and social cognition. Drawing on a structured synthesis of contemporary neurochemical and psychiatric literature published between 2019 and 2025, the analysis integrates experimental, clinical, and translational evidence to advance an in teractional neurochemical framework relevant to psychiatric research.The analysis indicates that oxytocin and nor adrenaline function as a coordinated regulatory axis that dynamically calibrates emotional arousal, social salience, and behavioral flexibility in response to contextual demands. Oxytocin primarily modulates affiliative signaling, emotional safety, and sensitivity to social cues, whereas noradrenaline regulates vigilance, attentional allocation, and adaptive stress responses. Dysregulation within this axis is associated with affective instability, impaired social cognition, heightened stress sensitivity, and heterogeneous psychiatric presentations.By moving beyond reductionist neurotransmitter models, this integrative framework offers novel theoretical and clinical insights into mood and social behavior. Understanding oxytocin–noradrenaline interactions may inform more precise neurobiological mod els and support the development of integrative and personalized approaches in psychiatric research and clinical practice.