Zen personal trouble or crisis. Though Zen-narrative states that it is a "special transmission outside scriptures" which "did not stand upon words", Zen does have a rich doctrinal background, which is firmly grounded in the Buddhist tradition. It was thoroughly influenced by the Chinese understanding of Yogacara and the Buddha-nature doctrine, Zen integrates both Yogacara and Madhyamaka and the influence of Madhyamaka can be discerned in the stress on non-conceptual insight and the paradoxical language of the koans. Most essential are "the most fundamental teaching that we are already originally enlightened", and the Bodhisattva ideal, which supplements insight with Karuṇā, compassion
Zen and the Brain from neuroscience that helps to clarify which brain mechanisms underlie the subjective states of Zen, and employs Zen to 'illuminate' how the brain works in various states of consciousness". Austin starts with a discussion of Zen Buddhism, its goals, and practices. Having laid this groundwork, he then turns to explore the neurological basis of consciousness. Austin wrote a follow-up, "Zen-Brain Reflections". Zen and the Brain Zen and the Brain: Toward an Understanding of Meditation and Consciousness is a 1998 book by neurologist and Zen practitioner James H. Austin, in which the author attempts to establish links between the neurological workings