Michel Foucault, answered from the texts and cited to the page.
Panopticism names a specific form of power that operates not through the visible force of the sovereign — the scaffold, the executioner, the spectacle of punishment — but through the arrangement of space, light, and gaze in such a way that visibility itself becomes the mechanism of control. The architectural diagram comes from Bentham. In the panoptic schema, the periphery is a ring of cells; each cell is backlit, its occupant fully visible from a central tower.
The tower sees everything; those in the cells see nothing of what happens inside it. This dissociation of the see/being-seen dyad is the essential move: in the peripheric ring, one is totally seen without ever seeing; in the central tower, one sees everything without ever being seen.1 The crowd — that compact mass in which individualities merge, in which collective effect is possible — is abolished and replaced by a collection of separated, observed solitudes.2
Each inmate is alone with the gaze, unable to communicate laterally, unable to verify whether the gaze is actually present. What this produces is the major effect: a state of conscious and permanent visibility that assures the automatic functioning of power.3 The surveillance need not be continuous in its actual exercise; it need only be permanent in its effects.
The inmate who cannot tell whether the tower is occupied must behave as though it always is. Power tends toward rendering its own exercise unnecessary — the architectural apparatus becomes a machine for creating and sustaining a power relation independent of the person who exercises it, so that the inmates are themselves the bearers of the power situation that holds them.4
This is what I mean when I say the panopticon automatizes and disindividualizes power.5 It does not matter who stands in the tower — the director, his wife, his children, a visiting philosopher curious about human nature, a malicious child.6 The machinery assures dissymmetry regardless of who operates it. Power is thereby de-individualized, disembodied; the central lantern could be entirely empty and the effect would remain the same, because the individual in his cell must not only think he is being observed but know that he always may be — he must constantly experience himself as visible for a gaze whose real presence or absence hardly matters.7
The political implication is this: panopticism is not a description of Bentham's specific architectural plan and how widely it was built. It names a dispositif, a diagram of power that was taken up across the institutions of modern society — the prison, yes, but also the school, the hospital, the workshop, the barracks. In the lectures on psychiatric power I traced how the asylum operates as precisely such a panoptic machine: the pavilion architecture Esquirol recommended, the cell opening on two sides so that the patient looking out one window can be watched through the other, the doctor who arrives stealthily and takes in everything at a glance — all of this is a strict transposition of the principle of panopticism.8
The hospital cures, in this analysis, not by reproducing the warmth of the family but by inducing, distributing, and applying power according to Bentham's schema.9 Discipline individualizes below — it operates collectively at its center and individually at every point where it arrives.10 What panopticism names is the historical form this individualization takes when visibility becomes the instrument: not the mark burned into the body of the condemned, but the permanent possibility of the gaze turned inward, the subject who has learned to watch himself.
The Panopticon is a machine for dissociating the see/being seen dyad: in the peripheric ring, one is totally seen, without ever seeing; in the central tower, one sees everything without ever being seen.Discipline and Punish, pp. 231–232
The crowd, a compact mass, a locus of multiple exchanges, individualities merging together, a collective effect, is abolished and replaced by a collection of separated individualities.Discipline and Punish, pp. 230–231
Hence the major effect of the Panopticon: to induce in the inmate a state of conscious and permanent visibility that assures the automatic functioning of power.Discipline and Punish, pp. 230–231
that this architectural apparatus should be a machine for creating and sustaining a power relation independent of the person who exercises it; in short, that the inmates should be caught up in a power situation of which they are themselves the bearers.Discipline and Punish, pp. 230–231
It is an important mechanism, for it automatizes and disindividualizes power. Power has its principle not so much in a person as in a certain concerted distribution of bodies, surfaces, lights, gazes.Discipline and Punish, pp. 231–232
it does not matter what motive animates him: the curiosity of the indiscreet, the malice of a child, the thirst for knowledge of a philosopher who wishes to visit this museum of human nature, or the perversity of those who take pleasure in spying and punishing.Discipline and Punish, pp. 231–232
the individual in his cell must not only think that he is being observed, but know that he is; he must constantly experience himself as visible for a gaze, the real presence or absence of which hardly matters.Psychiatric Power, Lectures at the College de France 1973-1974, pp. 75–76
What Esquirol says about asylum architecture is a strict transposition of the principle of panopticism.Psychiatric Power, Lectures at the College de France 1973-1974, pp. 101–102
the hospital is a panoptic machine, and it is as a panoptic apparatus that the hospital cures. The hospital is in fact a machine for exercising power, for inducing, distributing, and applying power according to Bentham's schema.Psychiatric Power, Lectures at the College de France 1973-1974, pp. 101–102
Power is collective at its center, but it is always individual at the point where it arrives. You can see how we have here the phenomenon of individualization I was talking about last week. Discipline individualizes below; it individualizes those on whom it is brought to bear.Psychiatric Power, Lectures at the College de France 1973-1974, pp. 75–76