Swara Yoga, the ancient science of breath awareness through nostril dominance, aligns closely with modern neuroscience’s understanding of brain lateralization. The left and right nostrils are connected to the opposite hemispheres of the brain. When the right nostril is active (Pingala nadi), it stimulates the left brain, enhancing logical thinking and sympathetic arousal. Conversely, left nostril breathing (Ida nadi) activates the right brain, associated with creativity, intuition, and parasympathetic relaxation.

Neurophysiological studies have shown that alternate nostril breathing can synchronize brain hemispheres, leading to improved emotional regulation, cognitive balance, and stress reduction. EEG recordings during Swara practices demonstrate increased alpha and theta brain waves—states linked to calm alertness, deep focus, and meditative awareness. This bilateral stimulation promotes neuroplasticity and hemispheric integration.

Moreover, Swara Yoga helps regulate autonomic nervous system function through conscious control of breath. By aligning breath patterns with brain rhythms, practitioners can influence vagal tone, heart rate variability, and hormonal balance. Neuroscience thus supports Swara Yoga as a potent practice to enhance mind-body coherence, optimize mental clarity, and restore energetic harmony.