The fourth jhana is one-pointed in attention but retains minimal equanimous awareness; complete mental cessation occurs only in the formless realms beyond it.
In Buddhist meditation terminology, 'one-pointed' (ekagga in Pali) refers to undivided attention directed toward a single object. The fourth jhana does achieve this quality of unbroken focus. However, 'one-pointed' is sometimes misunderstood to mean the mind is frozen or empty of all activity. This is incorrect. Even in the fourth jhana, consciousness is present and functioning—it is simply unified and absorbed in equanimous stillness.
The Pali texts consistently describe the fourth jhana as a state of refined mental clarity and purity. The Anguttara Nikaya and Digha Nikaya both emphasize that the meditator remains 'conscious and mindful' throughout all four jhanas. The difference between jhanas is not the presence or absence of mind, but the degree of refinement and the quality of mental factors at play.
The fourth jhana contains what Theravada commentaries call 'neutral feeling' (adukkham-asukham vedana) and a state of 'neither-pain-nor-pleasure.' This is actually a highly refined form of mental activity, not the absence of it. Equanimity (upekkha) is the dominant factor—a clear, balanced awareness that neither pursues nor rejects sensations.
According to the Visuddhimagga (the classical Theravada manual on meditation by Buddhaghosa), the fourth jhana features four mental formations: applied attention (vitarka), sustained attention (vicara), joy (piti), and happiness (sukha) have largely subsided, leaving primarily equanimous awareness and one-pointedness. The mind is extremely stable, but stability itself requires minimal ongoing mental activity. There is a crucial distinction: mental tranquility and mental emptiness are not the same thing.
To clarify where true mental cessation begins, we must look beyond the fourth jhana. The Buddha taught four additional meditative attainments called the formless realms (arupajhanas), which transcend even the fourth jhana. These states involve progressively subtler bases of consciousness: infinite space, infinite consciousness, nothingness, and finally 'neither-perception-nor-non-perception.'
The state of 'neither-perception-nor-non-perception' comes closer to the threshold of complete stillness, yet even this is not total cessation. True cessation of mental activity occurs only in nirodha-samapatti (cessation concentration), a rare attainment described in the suttas as a state so subtle that consciousness temporarily ceases entirely. This is distinct from the fourth jhana, which maintains conscious presence throughout.
Theravada Buddhism, preserved in the Pali Canon, emphasizes the descriptions above: the fourth jhana as one-pointed consciousness with equanimous awareness intact. Mahayana traditions, particularly in Tibetan Buddhist texts on tantra and dzogchen meditation, sometimes use different terminology and frameworks. However, both traditions recognize that deep absorption states involve consciousness—they differ mainly in how they interpret the ultimate significance of these states in relation to enlightenment.
Zen Buddhism largely sidesteps detailed jhana analysis, focusing instead on sudden insight. Nevertheless, classical Zen texts acknowledge that seated meditation involves subtle mental activity even in its deepest forms, not absolute mental blankness.
The confusion between 'one-pointed' and 'empty of activity' likely arises from two sources. First, the fourth jhana feels extraordinarily still to the meditator—so refined that the subtle mental activity becomes almost imperceptible. Second, mystical language in Buddhist texts sometimes uses poetic or paradoxical descriptions that suggest transcendence of mind entirely, when more precisely they indicate transcendence of coarser mental states.
The Buddha's own teaching model was pragmatic: he described what practitioners actually experience and what factors are present, not what hypothetically 'should' happen based on philosophical ideas. The fourth jhana is rightly called one-pointed because attention is unified and unwavering. But it retains minimal, highly refined mental functioning—equanimous awareness being the key characteristic.