Buddhism Zen Buddhism is divided into two main schools: Rinzai (臨済宗) and Sōtō (曹洞宗), the former greatly favouring the use in meditation on the koan (公案, a meditative riddle or puzzle) as a device for spiritual break-through, and the latter (while certainly employing koans) focusing more on "shikantaza" or "just sitting". Zen Buddhism is primarily found in Japan, with some presence in South Korea and Vietnam. The scholars of Japanese Soto Zen tradition in recent times have critiqued the mainstream Japanese Buddhism for "dhatu-vada", that is assuming things have substantiality, a view they assert to be non-Buddhist and "out of tune
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