Dhyāna in Buddhism the Japanese Rinzai school, but it also occurs in other schools or branches of Zen depending on the teaching line. The Zen student's mastery of a given kōan is presented to the teacher in a private interview (referred to in Japanese as "dokusan" (独参), "daisan" (代参), or "sanzen" (参禅)). While there is no unique answer to a kōan, practitioners are expected to demonstrate their understanding of the kōan and of Zen through their responses. The teacher may approve or disapprove of the answer and guide the student in the right direction. The interaction with a Zen teacher is central in
Buddhism in the West this period (this is known as the "Zen Boom"). Influential literary figures include the American writers Jack Kerouac ("The Dharma Bums" and "The Scripture of the Golden Eternity") and Gary Snyder as well as the British writer Alan Watts ("The Way of Zen"). The steady influx of refugees from Tibet in the 1960s and from Vietnam, Laos, and Cambodia in the 1970s led to renewed interest in Buddhism, and the countercultural movements of the 1960s proved fertile ground for its Westward diffusion. Buddhism supposedly promised a more methodical path to happiness than Christianity and a way out of the perceived