It sounds to me like that child has a deep personality disturbance.

His death certificate reported that he died of "malnutrition and inanition caused by personality disturbance" in Princeton Hospital on January 14, 1978.

In psychiatry, decompensation is the inability to maintain defense mechanisms in response to stress, resulting in personality disturbance or psychological imbalance.

This included several categories of 'personality disturbance', generally distinguished from 'neurosis' (nervousness, 'egodystonic).

In psychology, the term refers to the inability to maintain defense mechanisms in response to stress, resulting in personality disturbance or psychological imbalance.

While personality disturbances are not uniform in eating disorders, their presence suggests meaningful subtypes that may be relevant to treatment planning and prognosis.

More common, he said, are killers who suffer from severe personality disturbances.

There was no previous history of personality disturbances.

Most of the stalkers Dr. Kienlen interviewed also had extreme personality disturbances.

He said unless she's been tested a lot and knows how to fool the instruments, there's no serious personality disturbance.