Your Brain on Feelings: 5 Things the Neuroscience of Emotions Tells Us About Who We Really Are

This article examines the neuroscience of human emotions — the neurological, hormonal, and evolutionary mechanisms that produce the felt experience of love, fear, anger, joy, grief, and the full spectrum of human feeling — through current research and the ancient Indian Rasa theory of emotional experience. The neurochemical architecture of five primary emotional states is examined: love and bonding (oxytocin, vasopressin, and the attachment system); fear (the amygdala threat-detection circuit and cortisol cascade); anger (the amygdala hijack mechanism and norepinephrine); grief and loss (the default mode network and the neuroscience of attachment disruption); and joy and happiness (dopamine, serotonin, endorphins, and the reward system). The evolutionary functions of each emotion are identified. The Indian tradition's Navarasas — the nine fundamental emotional flavours described in Bharata's Natyashastra (approximately 2nd century BCE) — are mapped onto the neurological research as a convergent phenomenological classification of the same emotional territory. The article argues that emotions are not obstacles to intelligence but its most important guidance system.