Nadanusandhana, often referred to as "meditation on sound," is a profound method outlined in the teachings of Hatha Yoga for achieving the dissolution of the mind. It is a practice deeply rooted in the yogic tradition, aimed at attaining profound levels of concentration and inner peace. The process involves specific postures and techniques to harness the power of sound and focus the mind.
The practitioner typically begins by assuming the muktasana
posture, which is akin to siddhasana and is conducive to meditation. In
addition to the posture, the yogi employs the shambhavi mudra, a technique
involving intense concentration on a small object until tears naturally flow.
This focused attention helps prepare the mind for the deeper stages of the
practice.
Central to Nadanusandhana is the cultivation of heightened
awareness of the inner sound, known as nada, which arises from perfect
concentration, or samyama, on the sushumna, the central energy channel in the
yogic tradition. This inner sound is not perceived through the physical ears
but is rather a subtle vibrational experience within the consciousness.
The practice of Nadanusandhana typically unfolds in four
distinct stages, each of which demands guidance and instruction from
experienced teachers of Hatha Yoga. These stages involve progressively deeper
levels of concentration and inner exploration, leading the practitioner towards
mastery over the mind and senses.
Ultimately, the diligent practice of Nadanusandhana is
believed to result in complete control over the fluctuations of the mind and
senses, facilitating a state of profound inner peace, clarity, and
self-realization. This practice exemplifies the transformative potential of
yoga as a path towards spiritual awakening and self-mastery.