You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Buddhism

Context:
According to Tilmann Vetter, the core of earliest Buddhism is the practice of dhyāna. Bronkhorst agrees that dhyana was a Buddhist invention, whereas Norman notes that "the Buddha's way to release [...] was by means of meditative practices." Discriminating insight into transiency as a separate path to liberation was a later development.

Question:
What was the earliest Buddhism type?

dhyana