The Individuals with Disabilities Education Act, as amended, identifies 13 specific disabilities. They range from autism to orthopedic impairments to visual impairments.
Listed here are descriptions of these disability terms developed by the 14th National Conference on School Transportation and published in the Final Recommendations of the Conference in the National School Transportation Specifications & Procedures, 2005 Revised Edition, pages 358-360. This NCST document is considered a definitive resource on transportation principles. Information on where to obtain the publication is provided at the bottom of this page.
Meanwhile, detailed information about the 13 disabilities can also be found at the National Information Center for Children and Youth Web site. Disability Fact Sheets and Briefing Papers cover the definition, incidence, characteristics and educational implications about each of the following conditions, plus more.
1) A developmental disability significantly affecting verbal and non-verbal communication and social interaction, generally evident before age 3, that adversely affects a child's educational performance. Other characteristics often associated with autism are engagement in repetitive activities and stereotyped movements, resistance to environmental change or change in daily routines, and unusual responses to sensory experiences. The term does not apply if a child's educational performance is adversely affected primarily because the child has an emotional disturbance, as defined in paragraph (b)(4) of this section 300.7 to 300.18.
2) A child who manifests the characteristics of autism after age 3 could be diagnosed as having autism if the criteria in paragraph (c)(1)(i) of section 300.7 to 300.18 are satisfied.
Deaf-blindness means concomitant hearing and visual impairments, the combination of which causes such severe communication and other developmental and educational needs that they cannot be accommodated in special education programs solely for children with deafness or children with blindness.
Deafness means a hearing impairment that is so severe the child is impaired in processing linguistic information through hearing, with or without amplification, that adversely affects a child's educational performance.
Emotional disturbance is defined as follows:
The term means a condition exhibiting one or more of the following characteristics over a long period of time and to a marked degree that adversely affects a child's educational performance:
An inability to learn that cannot be explained by intellectual, sensory or health factors.
An inability to build or maintain satisfactory interpersonal relationships with peers and teachers.
Inappropriate types of behavior or feelings under normal circumstances.
A general, pervasive mood of unhappiness or depression.
A tendency to develop physical symptoms or fears associated with personal or school problems
The term includes schizophrenia. The term does not apply to children who are socially maladjusted, unless it is determined that they have an emotional disturbance.
Hearing impairment means an impairment in hearing, whether permanent or fluctuating, that adversely affects a child's educational performance but that is not included under the definition of deafness in this section.
Mental retardation means significantly sub-average general intellectual functioning, existing concurrently with deficits in adaptive behavior and manifested during the developmental period, which adversely affects a child's educational performance.
Multiple disabilities means concomitant impairments (such as mental retardation-blindness, mental retardation-orthopedic impairment, etc.), the combination of which causes such severe educational needs that they cannot be accommodated in special education programs solely for one of the impairments. The term does not include deaf-blindness.
Orthopedic impairment means a severe orthopedic impairment that adversely affects a child's educational performance. The term includes impairments caused by congenital anomaly (e.g., clubfoot, absence of some member, etc.), impairments caused be disease (e.g., poliomyelitis, bone tuberculosis, etc.), and impairments from other causes (e.g., cerebral palsy, amputations, and fractures or burns that cause contractures).
Other health impairment means having limited strength, vitality or alertness, including a heightened alertness to environmental stimuli, that results in limited alertness with respect to the educational environment, that:
Is due to chronic or acute health problems such as asthma, attention deficit disorder (ADD) or attention deficit hyperactivity disorder (ADHD), diabetes, epilepsy, a heart condition, hemophilia, lead poisoning, leukemia, nephritis, rheumatic fever, and sickle cell anemia; and
Adversely affects a child's educational performance.
Specific learning disability is defined as follows:
The term means a disorder in one or more of the basic psychological processes involved in understanding or in using language, spoken or written, that may manifest itself in an imperfect ability to listen, think, speak, read, write, spell, or to perform mathematical calculations, including conditions such as perceptual disabilities, brain injury, minimal brain dysfunction, dyslexia and developmental aphasia.
The term does not include learning problems that are primarily the result of visual, hearing, or motor disabilities, of mental retardation, of emotional disturbance or of environmental, cultural or economic disadvantage.
Speech or language impairment means a communication disorder, such as stuttering, impaired articulation, a language impairment, or a voice impairment, that adversely affects a child's educational performance.
Traumatic brain injury means an acquired injury to the brain caused by an external physical force, resulting in total or partial functional disability or psychosocial impairment, or both, that adversely affects a child's educational performance. The term applies to open or closed head injuries resulting in impairments in one or more areas, such as cognition; language; memory; attention; reasoning; abstract thinking; judgment; problem-solving; sensory, perceptual, and motor abilities; psychosocial behavior; physical functions; information processing; and speech. The term does not apply to brain injuries that are congenital or degenerative, or to brain injuries induced by birth trauma.
Visual impairment, including blindness, means impairment in vision that, even with correction, adversely affects a child's educational performance. The term includes both partial sight and blindness.
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