Yogic dhyana originates in back brain, based on past experience.
Yoga Philosophy
Pranayama — Source of Dhyana (Meditation)
Yogic dhyana commences with pranayama. Pranayama to samadhi is a single continuous process.
Prana Kriya
Prana kriya touches 350 nadis (channels) within.
Pranayama Is Driven, Not Done
Breath driven to touch pranic manas (mind), loosen grip of mental vasanas (tendencies).
Breath Circulation in Asana
Asanas teach pranayama fundamentals—breath uses, applications, processes.