This paper argues that the neglect of the body and emotions has impoverished the architectural and psycho-emotional study of disability. This critique is relevant at a time when, although emphasis has been placed on examining the phenomenology of the impaired body psychology and emotions, and its impact on architectural designs in developed countries, it is still neglected in developing countries. This paper aims at determining the impact of physical and psycho-emotional needs on comfortable home significance for mentally retarded individuals who live at, their parents’ houses or at the residence of specialized associations.This paper argues that structuralist and positivist accounts of disability are inadequate. It suggests that a fuller and non-reductionist understanding of the structure of disablement could be ascertained by engaging with the emerging of the human physical and psycho-emotional needs of the body. The paper also argues that rather than being seen as a social pitiful individual, impaired people should be considered within their constructed situation. This is because, residence (association home or parents’ home) has historically been implicated in the regulation of impaired bodies and psycho-emotions. A field survey was conducted to evaluate the students’ behavior towards each other, towards their teachers/supervisors and parents, and towards the built environment while performing their daily and night activities. This paper focuses only on evaluating the behavior and needs of mentally retarded individuals with a low degree of impairment, since each mentally retarded individual with severe or middle degree of impairment totally varies in his needs and behavior than all his colleagues, and this case could never be generalized as for mentally retarded individuals with low degree of impairment.Most importantly, this paper is conducted to determine the most appropriate and suitable place for the residency of mentally retarded individuals (parents’ houses, or residence of specialized association), the place that provides them with a real sense of comfort and belonging, and makes them deeply feel of being at home.