concerned with the study of the principles and
characteristics of the development of children
with physical and mental defects and the
problems of their training and upbringing.
(for bringing up
and bringing up children with compound defects
(blindness with deafmutism, blindness or
deafmutism with intellectual impairments).
Defectology includes in addition a special branch
of psychology that deals with psychological study of
the development of children with the
abovementoined defects, as well as
surdotechnology and tuphlotechnology, with are
involved in the development of the technical means
of training, correcting, and compensating for the
and development of new fields (for example, the
study of children with temporary arrests in mental
development and of children with motor
impairements); included in defectology are problems
connected with the general education and
vocational training of adults with defects, such as
vision or hearing impairements.
As an integrated branch of knowledge,
defectology takes shape as a result of the
development and convergence of its various fields
and the establishment of general principles for the
developments, training, and upbringing of children
with different types of defects.
principles is the adoption of a complex,
multilateral approach to the study of
anomalous children, with the participation of
eduators, physicians, physiologists,
psychologists, and other specialists