The term meditation refers to a broad variety of practices (much like the term sports) that includes techniques designed to promote relaxation, build internal energy or life force (qi, ki, prana, etc.) and develop compassion, love, patience, generosity and forgiveness.
Definitions and Scope
As early as 1971, Claudio Naranjo noted that "The word 'meditation' has been used to designate a variety of practices that differ enough from one another so that we may find trouble in defining what meditation is." There remains no definition of necessary and sufficient criteria for meditation that has achieved universal or widespread acceptance within the modern scientific community, as one study recently noted a "persistent lack of consensus in the literature" and a "seeming intractability of defining meditation".
In popular usage, the word "meditation" and the phrase "meditative practice" are often used imprecisely to designate broadly similar practices, or sets of practices, that are found across many cultures and traditions.
Some of the difficulty in precisely defining meditation has been the need to recognize the particularities of the many various traditions. There may be differences between the theories of one tradition of meditation as to what it means to practice meditation. The differences between the various traditions themselves, which have grown up a great distance apart from each other, may be even starker. To accurately define "what is meditation" has caused difficulties for modern scientists. Scientific reviews have proposed that researchers attempt to more clearly define the type of meditation being practiced in order that the results of their studies be made clearer. Taylor noted that to refer only to meditation from a particular faith (e.g., "Hindu" or "Buddhist").
...is not enough, since the cultural traditions from which a particular kind of meditation comes are quite different and even within a single tradition differ in complex ways. The specific name of a school of thought or a teacher or the title of a specific text is often quite important for identifying a particular type of meditation
The table shows several definitions of meditation that have been used by influential modern reviews of research on meditation across multiple traditions. Within a specific context, more precise meanings are not uncommonly given the word "meditation". For example, "meditation" is sometimes the translation of meditatio in Latin. Meditatio is the third of four steps of Lectio Divina, an ancient form of Christian prayer. "Meditation" also refers to the second of the three steps of Yoga in Patanjali's Yoga Sutras, a step called dhyāna in Sanskrit. Meditation refers to a mental or spiritual state that may be attained by such practices, and also refers to the practice of that state.
This article mainly focuses on meditation in the broad sense of a type of discipline, found in various forms in many cultures, by which the practitioner attempts to get beyond the reflexive, "thinking" mind (sometimes called "discursive thinking" or "logic") into a deeper, more devout, or more relaxed state. The terms "meditative practice" and "meditation" are mostly used here in this broad sense. However, usage may vary somewhat by context – readers should be aware that in quotations, or in discussions of particular traditions, more specialized meanings of "meditation" may sometimes be used (with meanings made clear by context whenever possible).
Ornstein noted that "Most techniques of meditation do not exist as solitary practices but are only artificially separable from an entire system of practice and belief." This means that, for instance, while monks engage in meditation as a part of their everyday lives, they also engage the codified rules and live together in monasteries in specific cultural settings that go along with their meditative practices. These meditative practices sometimes have similarities (often noticed by Westerners), for instance concentration on the breath is practiced in Zen, Tibetan and Theravadan contexts, and these similarities or "typologies" are noted here.
Progress on the "intractable" problem of defining meditation was attempted by a recent study of views common to seven experts trained in diverse but empirically highly studied (clinical or Eastern-derived) forms of meditation. The study identified "three main criteria... as essential to any meditation practice: the use of a defined technique, logic relaxation, and a self-induced state/mode. Other criteria deemed important involve a state of psychophysical relaxation, the use of a self-focus skill or anchor, the presence of a state of suspension of logical thought processes, a religious/spiritual/philosophical context, or a state of mental silence." However, the study cautioned, "It is plausible that meditation is best thought of as a natural category of techniques best captured by 'family resemblances'... or by the related 'prototype' model of concepts."
In modern psychological research, meditation has been defined and characterized in a variety of ways; many of these emphasize the role of attention.
In the West, meditation is sometimes thought of in two broad categories: concentrative meditation and mindfulness meditation. These two categories are discussed in the following two paragraphs, with concentrative meditation being used interchangeably with focused attention and mindfulness meditation being used interchangeably with open monitoring,
Direction of mental attention... A practitioner can focus intensively on one particular object (so-called concentrative meditation), on all mental events that enter the field of awareness (so-called mindfulness meditation), or both specific focal points and the field of awareness.
One style, Focused Attention (FA) meditation, entails the voluntary focusing of attention on a chosen object. The other style, Open Monitoring (OM) meditation, involves non-reactive monitoring of the content of experience from moment to moment.
Other typologies have also been proposed, and some techniques shift among major categories.
Evidence from neuroimaging studies suggests that the categories of meditation, defined by how they direct attention, appear to generate different brainwave patterns. Evidence also suggests that using different focus objects during meditation may generate different brainwave patterns.
Definitions or Characterizations of Meditation:
Examples from Prominent Reviews
Walsh & Shapiro (2006) -"[M]editation refers to a family of self-regulation practices that focus on training attention and awareness in order to bring mental processes under greater voluntary control and thereby foster general mental well-being and development and/or specific capacities such as calm, clarity, and concentration"
Cahn & Polich (2006) - "[M]editation is used to describe practices that self-regulate the body and mind, thereby affecting mental events by engaging a specific attentional set.... regulation of attention is the central commonality across the many divergent methods"
Jevning et al. (1992) - "We define meditation... as a stylized mental technique... repetitively practiced for the purpose of attaining a subjective experience that is frequently described as very restful, silent, and of heightened alertness, often characterized as blissful"
Goleman (1988) - "the need for the meditator to retrain his attention, whether through concentration or mindfulness, is the single invariant ingredient in... every meditation system
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