Yogācāra, often rendered as the “Practice of Yoga” or “Mind-Only” school, is a major current within Mahāyāna Buddhism that places the dynamics of consciousness at the very center of spiritual understanding. Rather than treating the world as a collection of independently existing substances, it interprets experience as “cognition-only”: a flow of mental representations conditioned by karma and latent tendencies. External objects are thus understood as mental constructions that arise in dependence upon consciousness, without independent existence apart from that stream. This perspective does not simply deny conventional reality; it analyzes how subject–object duality is imagined and how it can be seen through. Yogācāra therefore gives detailed attention to meditative practice and psychological analysis, seeing the transformation of consciousness as the key to realizing emptiness and suchness.

A distinctive feature of this tradition is its refined map of mind. It speaks of eight consciousnesses: the five associated with the senses, the mental consciousness, the afflicted mind that clings to an “I,” and the storehouse consciousness (ālaya-vijñāna). This storehouse is described as the repository of karmic seeds, from which the entire field of experience unfolds. Past actions plant these seeds, which ripen as perceptions, tendencies, and worlds. Through disciplined yogic practice, these seeds are purified and the eight consciousnesses are transformed into the wisdoms of a Buddha. Closely related is the teaching of the three natures: the imagined nature that projects duality, the dependent nature that is the conditioned flow of causes and effects, and the perfected nature, which is the realized, non-dual suchness free from false projections.

Asaṅga is traditionally regarded as the principal founder and systematizer of this school, and his role is best understood as giving Yogācāra its classical shape. Drawing on earlier Abhidharma analysis, he organized scattered insights about consciousness, karmic seeds, and the storehouse mind into a coherent philosophical and soteriological framework. His works, such as the Yogācārabhūmi-śāstra, the Mahāyāna-saṃgraha, and the Abhidharma-samuccaya, present a comprehensive vision of the path, integrating detailed psychology, meditation stages, and the bodhisattva ideal. In these texts, the three natures, the doctrine of ālaya-vijñāna, and the process by which consciousness generates and then relinquishes its own fabrications are articulated with great care.

Through this systematizing labor, Asaṅga forged a bridge between earlier Buddhist psychological inquiry and the broader Mahāyāna concern with universal Buddhahood. Yogācāra, as shaped by his thought, became a powerful lens for understanding how delusion arises and how it can be undone from within the very stream of awareness. Subsequent Buddhist traditions across Asia drew heavily on this framework when reflecting on mind, karma, and the bodhisattva path. In this way, Asaṅga’s contribution can be seen as offering a rigorous yet contemplatively grounded map of consciousness, intended not merely to describe reality but to guide practitioners toward its direct, non-conceptual realization.