Breathing occupies an unusual place in contemplative practice. It happens without our deciding to make it happen, but we can also change it deliberately. That makes the breath available in two very different ways: we can observe breathing as it is happening, or we can deliberately change how we breathe.
When breathing is used as an object of attention, the first task is not to improve it. The breath may be fast or slow, deep or shallow, smooth or uneven. The abdomen may move freely or hardly move at all. One breath may be longer than the next. None of this needs to be corrected. The practice is to notice.
Attention follows the sensations of breathing. It may stay with movement in the abdomen or chest, the passage of air through the nose, or the changing sensations of inhalation and exhalation. Then attention wanders. When that wandering is recognized, attention returns to the breath. In this use, breathing provides somewhere to return.
That makes it especially useful for the attentional training discussed earlier. Breathing continues whether attention is present or not. It changes from moment to moment. It can be felt directly. We do not have to invent an object or maintain one mentally.
Observing breathing can also reveal things about the person’s present condition. Breathing may become faster when a difficult thought appears. It may stop briefly during concentration. The chest may tighten during fear or irritation. An exhalation may lengthen when effort releases. These changes can be noticed without deliberately producing them. This is observation.
Deliberately changing the breath is something else. The moment we decide to breathe more slowly, deepen an inhalation, lengthen an exhalation, alter the rhythm, reduce effort, breathe into a different area, or coordinate breathing with movement, breathing is no longer simply the object being observed. It has become a means through which we are trying to influence the person.
That distinction is easy to miss because the same breath is involved in both practices. Someone may begin by observing breathing and then notice that it is shallow. Without quite realizing it, they begin taking deeper breaths. Observation has become intervention. Someone may notice an uneven rhythm and start smoothing it out. Again, the activity has changed. There is nothing inherently wrong with changing the breath. The important thing is to know which activity is taking place.
If the purpose is observation, repeatedly correcting the breath removes some of what could have been observed. A shallow breath may be part of what the person needs to notice. So may breath-holding, effort, irregularity, or a change that occurs when a particular thought or feeling appears. Improving the breath too quickly can erase information.
If the purpose is influence, however, deliberate alteration may be exactly the point. Breathing can be slowed or quickened. Inhalation and exhalation can be lengthened or shortened. Depth can change. Effort can change. Breathing can be coordinated with posture and movement. These changes can affect bodily state, exertion, muscular organization, and subjective experience.
But changing breathing does not have one fixed effect. “Take a deep breath” is often treated as though it were universally calming. It isn’t. Deeper breathing can feel relieving, but it can also increase effort, produce light-headedness if ventilation becomes excessive, or make someone more preoccupied with breathing. Slower breathing can be settling under some conditions, but deliberately slowing every breath can become another form of control.
The question is not whether a breathing pattern is generally considered good. The question is what kind of influence is being introduced and what happens when it is introduced.
This is why observing and changing the breath need to remain distinct even when they occur within the same period of practice. Observation tells us something about what is happening. Deliberate alteration tests what happens when breathing is changed. One receives information; the other introduces an influence.
They can also work together. A person can observe breathing first, change one aspect of it deliberately, and then observe what follows. Does muscular effort decrease? Does breathing become easier or more strained? Does attention settle or become more preoccupied? Does the change continue when deliberate control stops, or does breathing immediately return to its earlier pattern?
The breath then becomes part of the larger practical method:
observe → introduce an influence → observe the response.
For now, the important distinction is straightforward. Watching the breath is a way of working with attention and perception. Changing the breath is a way of working directly with bodily activity. The first belongs primarily to contemplative observation; the second takes us into embodied influence.