Before the Ministry of Justice named it. Before the UN came to this country and reported back. Before five independent bodies reached the same conclusion about what family courts are doing to children and their mothers, one researcher spent decades documenting what happens to a child when the person they are attached to disappears.

John Bowlby was not a campaigner. He was a psychiatrist and researcher at the Tavistock Institute. His three-volume work on attachment and loss, begun in the 1950s and completed over two decades, became the foundational clinical account of what separation does to children. It is still cited in every serious psychological framework applied to children today.

Volume II, published in 1973, deals specifically with separation anxiety. What it documents is not abstract. It is granular, sequential, and deeply uncomfortable reading for anyone who has watched an institution enforce the removal of a child from a parent.

What Bowlby found

Bowlby documented that children separated from their primary attachment figure, the person who mothers them, go through a sequence of responses observed directly in hospitalised children and in residential nurseries during and after the Second World War.

The sequence is protest, despair, and detachment.

In the protest phase the child is acutely distressed. They cry, search, and resist the separation with everything available to them. This is not naughtiness. Bowlby's framework, grounded in ethological research across mammalian species, shows it is the alarm system working exactly as it should.

In the despair phase, if the separation continues, the protest quietens. This is frequently misread by professionals as the child settling or adjusting. Bowlby is unambiguous: it is not adjustment. It is the beginning of a withdrawal that carries significant long-term risk. The child has not stopped needing the attachment figure. They have begun to conclude that the protest produced no result.

In the detachment phase, if the separation is prolonged, the child begins to disengage from the attachment relationship itself. When the mother or primary caregiver returns, the child may appear indifferent. This indifference is not evidence that the bond was not there. It is evidence that the child has learned, at a neurological and emotional level, that the bond cannot be relied upon.

Bowlby documented that loss of the mother figure is capable of generating responses and processes of the greatest significance for psychopathology. The long-term consequences he documented included both a tendency toward intensely demanding relationships and chronic anxiety, and on the other hand a difficulty forming deep relationships at all.

What Ainsworth added

If Bowlby provided the clinical account of what separation does, Mary Ainsworth provided the empirical framework for measuring how it shapes a child's relationship to security itself.

Working first in Uganda and later in Baltimore, Ainsworth developed the Strange Situation Procedure, a 20-minute laboratory observation that became the gold standard of attachment assessment in developmental psychology. Her central theoretical contribution was the concept of the secure base: the idea that a child uses a trusted caregiver as the foundation from which to explore the world, returning to them when threatened or alarmed.

Ainsworth identified distinct patterns of attachment that emerged depending on the quality and consistency of early caregiving. Securely attached children used the caregiver as a reliable base and recovered relatively quickly from brief separations. Insecurely attached children showed measurably different responses: either heightened anxiety and clinging, or apparent indifference that masked underlying distress.

Her 1978 work Patterns of Attachment established that maternal sensitivity, the caregiver's capacity to perceive and respond appropriately to a child's signals, was the single most important predictor of a child's attachment security.

What this means together

Bowlby and Ainsworth arrived at the same conclusion from different directions. Bowlby showed that separation from the primary attachment figure produces measurable, sequential distress responses in every child. Ainsworth showed that the security a child develops is shaped by the consistency and sensitivity of the caregiver they are attached to.

A state-enforced separation does not simply remove a child from a person. It removes them from their secure base. It disrupts the one relationship through which they have learned what safety feels like. And if that disruption is accompanied by the institutional message that the attachment figure was dangerous, the child is not simply separated. They are being asked to reorganise their understanding of who is safe and who is not — without the person who taught them to feel safe in the first place.

The institutional misreading

One of Bowlby's persistent arguments is that institutions misread both the protest phase and the detachment phase. Protest is read as disruption. Detachment is read as recovery. Neither reading is accurate. Both produce decisions that cause lasting harm.

When family courts produce those conditions through enforced separation, they are not protecting the child from an unsafe attachment. They are, in clinical terms, producing insecurity where security existed. That consequence is documented, measured, and consistent.

The evidence has been on the record since 1973.

Source references

Bowlby, J. (1973) Attachment and Loss, Volume II: Separation, Anxiety and Anger. Basic Books.

Ainsworth, M. (1978) Patterns of Attachment. Erlbaum. [Via Van Rosmalen, L. (2015) From security to attachment: Mary Ainsworth's contribution to attachment theory. Leiden University doctoral thesis.]