A process of focusing one’s attention in a certain manner which can create profound mind-altering states. Used in one form or another by nearly every culture in history, but today most associated with the religious traditions of South and [East Asia].
Commonly done today for spiritual reasons, but not always. Practiced by hipsters, [hindus], high schoolers, recovering drug addicts, asians, your friend that is into yoga, your friend from work, and your friend in their mystical vegetarian [Buddhist] college phase.
Meditation can involve several methods, including focus on vision, breathing, [repetition], and sound. When practiced enough, it can result in altered brain functioning, mental disassociation, hallucinations, extreme pleasure, inner calm, mystical experiences, and improved concentration.
Meditation is trendy, but its serious practice and effects are still poorly understood.