Columbiana County Board of Mental Retardation
and Developmental Disabilities

What is MRDD?

The Federal Government and the State of Ohio define a developmental disability as a severe,
chronic disability of a person that:

While individuals with developmental disabilities have some common characteristics, each
disability has its own unique traits. Mental retardation, the most commonly known
developmental disability, refers to limitations in the ability to learn and function socially
and varies in degree from mild to profound. While not common to every disability, there are
certain characteristics that increase the vulnerability of individuals with MRDD. These
characteristics include, but are not limited to the following:

Columbiana County Board of Mental Retardation and Developmental Disabilities
7675 State Route 45, Lisbon, Ohio 44432