1. The department of human services, the Iowa department of public health, the department of education and its divisions of special education and vocational rehabilitation services, the department of human rights and its division for persons with disabilities, the department for the blind, and all other state agencies which serve persons with brain injuries, shall recognize brain injury as a distinct disability and shall identify those persons with brain injuries among the persons served by the state agency.
 2. For the purposes of this section, “brain injury” means the same as defined in section 135.22.