The dopamine-serotonin swing: from drugs to ideologies. Our brain uses different neurotransmitter systems to interact with what lies at a distance from us. There's the “here-and-now, accessible” the liking system (oxytocin, endorphins, serotonin) – and the “future, not-here, unavailable” system – the wanting system (dopamine). The first system is active when we’re mindful, accepting reality, and present. When we slip into rumination, anxiety, or fantasy, the second system kicks in. Typically, we live mostly in the present, occasionally switching to the dopamine system for goal-setting, desires, forecasting, and planning, and then return to the present (this is a simplified explanation). Historically, escaping from reality was difficult due to its intense demands – survival, food gathering, mating, navigating threats – forcing us to remain grounded in the “here-and-now” with only brief ventures into fantasy. This created a vulnerability in our brains: a lack of brakes when consciou...
