Situation of deprivation of liberty Unit and the Unit of Convicts with mental or sensory disabilities. At the Special Educational Unit, inaugurated in 2004 and the first in Spain, inmates are held who are serving a security penalty of deprivation of liberty with confinement in a special educational unit. The existence of this unit is a good practice which covers a need existing in the criminal and penitentiary system. Most inmates residing in this unit are diagnosed mainly with mental disorders, generally minor-moderate, often accompanied by other pathologies or disorders, such as personality or behavioural disorders (lack of impulse control, physical or oral aggressiveness to themselves or to others), drug dependencies and/or alcoholism, psychiatric pathologies, neurological pathologies and sensory disability (deaf and dumb, poor eyesight, etc.). 135. At the unit for persons with disabilities of CP Segovia the therapeutic community principle contemplated by article 115 RP is applied, so that the Treatment Board assumes functions of the Management Board and of the Discipline Committee relating to the inmates. This measure is currently lacking legislative implementation, so that the Management Board of the CP prepared two operating protocols that were approved by the Sub-directorates General for Prison Management and Penitentiary Treatment and Management. Unit for persons with disabilities of the CP de Segovia The general objectives of the unit for persons with disabilities consist of working in cooperation with the families of the inmates, teaching them strategies that afford them personal independence and searching for an alternative to their treatment when the date on which they are to be released is close. In respect of the specific objectives, it is intended to encourage personal cleanliness and tidiness habits, provide them with professional and academic training promote pre-working habits, promote education for health, train them in social abilities, correct acquired criminal conducts and keep the family permanently informed. Yard of the unit for persons with disabilities of the CP of Segovia 111