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A disease is a particular abnormal condition that adversely affects the structure or function of all or part of an organism and is not immediately due to any external injury. Diseases are often known to be medical conditions that are associated with specific signs and symptoms. A disease may be caused by external factors such as pathogens or by internal dysfunctions. For example, internal dysfunctions of the immune system can produce a variety of different diseases, including various forms of immunodeficiency, hypersensitivity, allergies, and autoimmune disorders.
Hearing loss is a partial or total inability to hear. Hearing loss may be present at birth or acquired at any time afterwards. Hearing loss may occur in one or both ears. In children, hearing problems can affect the ability to acquire spoken language, and in adults it can create difficulties with social interaction and at work. Hearing loss can be temporary or permanent. Hearing loss related to age usually affects both ears and is due to cochlear hair cell loss. In some people, particularly older people, hearing loss can result in loneliness.
Cerebral palsy (CP) is a group of movement disorders that appear in early childhood. Signs and symptoms vary among people and over time, but include poor coordination, stiff muscles, weak muscles, and tremors. There may be problems with sensation, vision, hearing, and speech. Often, babies with cerebral palsy do not roll over, sit, crawl or walk as early as other children. Other symptoms include seizures and problems with thinking or reasoning. While symptoms may get more noticeable over the first years of life, underlying problems do not worsen over time.
Speech disorders, impairments, or impediments, are a type of communication disorder in which normal speech is disrupted. This can mean fluency disorders like stuttering, cluttering or lisps. Someone who is unable to speak due to a speech disorder is considered mute. Speech skills are vital to social relationships and learning, and delays or disorders that relate to developing these skills can impact individuals function. For many children and adolescents, this can present as issues with academics. Speech disorders affect roughly 11.5% of the US population, and 5% of the primary school population. Speech is a complex process that requires precise timing, nerve and muscle control, and as a result is susceptible to impairments. A person who has a stroke, an accident or birth defect may have speech and language problems.
Brain injury (BI) is the destruction or degeneration of brain cells. Brain injuries occur due to a wide range of internal and external factors. In general, brain damage refers to significant, undiscriminating trauma-induced damage.
A birth defect, also known as a congenital disorder, is an abnormal condition that is present at birth regardless of its cause. Birth defects may result in disabilities that may be physical, intellectual, or developmental. The disabilities can range from mild to severe. Birth defects are divided into two main types: structural disorders in which problems are seen with the shape of a body part and functional disorders in which problems exist with how a body part works. Functional disorders include metabolic and degenerative disorders. Some birth defects include both structural and functional disorders.
Familial dysautonomia (FD), also known as Riley-Day syndrome, is a rare, progressive, recessive genetic disorder of the autonomic nervous system that affects the development and survival of sensory, sympathetic, and some parasympathetic neurons in the autonomic and sensory nervous system.
Fetal alcohol spectrum disorders (FASDs) are a group of conditions that can occur in a person who is exposed to alcohol during gestation, as a result of their mother drinking alcohol during pregnancy. The several forms of the condition are: fetal alcohol syndrome (FAS), partial fetal alcohol syndrome (pFAS), alcohol-related neurodevelopmental disorder (ARND), and neurobehavioral disorder associated with prenatal alcohol exposure (ND-PAE). Other terms used are fetal alcohol effects (FAE), partial fetal alcohol effects (PFAE), alcohol-related birth defects (ARBD), and static encephalopathy, but these terms have fallen out of favor and are no longer considered part of the spectrum.
Prenatal development involves the development of the embryo and of the fetus during a viviparous animal's gestation. Prenatal development starts with fertilization, in the germinal stage of embryonic development, and continues in fetal development until birth.
Agenesis of the corpus callosum (ACC) is a rare birth defect in which there is a complete or partial absence of the corpus callosum. It occurs when the development of the corpus callosum, the band of white matter connecting the two hemispheres in the brain, in the embryo is disrupted. The result of this is that the fibers that would otherwise form the corpus callosum are instead longitudinally oriented along the ipsilateral ventricular wall and form structures called Probst bundles.
Neurodevelopmental disorders are a group of conditions that begin to emerge during childhood. According to the American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, (DSM-5) published in 2013, these conditions generally appear in early childhood, usually before children start school, and can persist into adulthood. The key characteristic of all these disorders is that they negatively impact a person's functioning in one or more domains of life depending on the disorder and deficits it has caused. All of these disorders and their levels of impairment exist on a spectrum, and affected individuals can experience varying degrees of symptoms and deficits, despite having the same diagnosis.
Barakat syndrome is a rare disease characterized by hypoparathyroidism, sensorineural deafness and renal disease, and hence also known as HDR syndrome. It is an autosomal dominant condition with incomplete penetrance and variable expressivity that was first described by Amin J. Barakat et al. in 1977.
Language disorders or language impairments are disorders that involve the processing of linguistic information. Problems that may be experienced can involve grammar, semantics (meaning), or other aspects of language. These problems may be receptive, expressive, or a combination of both. Examples include specific language impairment, better defined as developmental language disorder, or DLD, and aphasia, among others. Language disorders can affect both spoken and written language, and can also affect sign language; typically, all forms of language will be impaired.
In the United States, the Individuals with Disabilities Education Act (IDEA) is a special education law that mandates regulation for students with disabilities to protect their rights as students and the rights of their parents. The IDEA requires that all students receive a Free and Appropriate Public Education (FAPE), and that these students should be educated in the least restrictive environment (LRE). To determine what an appropriate setting is for a student, an Individualized Education Plan (IEP) team will review the student's strengths, weaknesses, and needs, and consider the educational benefits from placement in any particular educational setting. By law the team is required to include the student's parent or guardian, a general education teacher, a special education teacher, a representative of the local education agency, someone to interpret evaluation results and, if appropriate, the student. It is the IEP team's responsibility to determine what environment is the LRE for any given student with disabilities, which varies between every student. The goal of an IEP is to create the LRE for that student to learn in. For some students, mainstream inclusion in a standard classroom may be an appropriate setting whereas other students may need to be in a special education classroom full time, but many students fall somewhere within this spectrum. Students may also require supplementary aids and services to achieve educational goals while being placed in a classroom with students without disabilities, these resources are provided as needed. The LRE for a student is less of a physical location, and more of a concept to ensure that the student is receiving the services that they need to be successful.
In human development, muteness or mutism is defined as an absence of speech, with or without an ability to hear the speech of others. Mutism is typically understood as a person's inability to speak, and commonly observed by their family members, caregivers, teachers, doctors or speech and language pathologists. It may not be a permanent condition, as muteness can be caused or manifest due to several different phenomena, such as physiological injury, illness, medical side effects, psychological trauma, developmental disorders, or neurological disorders. A specific physical disability or communication disorder can be more easily diagnosed. Loss of previously normal speech (aphasia) can be due to accidents, disease, or surgical complication; it is rarely for psychological reasons.
An acquired characteristic is a non-heritable change in a function or structure of a living organism caused after birth by disease, injury, accident, deliberate modification, variation, repeated use, disuse, misuse, or other environmental influence. Acquired traits are synonymous with acquired characteristics. They are not passed on to offspring through reproduction.
Athetoid cerebral palsy, or dyskinetic cerebral palsy, is a type of cerebral palsy primarily associated with damage, like other forms of CP, to the basal ganglia in the form of lesions that occur during brain development due to bilirubin encephalopathy and hypoxic–ischemic brain injury. Unlike spastic or ataxic cerebral palsies, ADCP is characterized by both hypertonia and hypotonia, due to the affected individual's inability to control muscle tone. Clinical diagnosis of ADCP typically occurs within 18 months of birth and is primarily based upon motor function and neuroimaging techniques. While there are no cures for ADCP, some drug therapies as well as speech, occupational therapy, and physical therapy have shown capacity for treating the symptoms.
Adaptive Physical Education (APE) is a physical education program that accommodates the needs of students with disabilities, that may include or be a combination of mobility or physical impairments, sensory impairments, intellectual disabilities, emotional or behavioural disorders. Physical education is important for the health and wellbeing of everyone, regardless of disabilities or not. APE programs are vital in maintaining and enhancing the quality of life for people with disabilities.
L1 syndrome is a group of mild to severe X-linked recessive disorders that share a common genetic basis. The spectrum of L1 syndrome disorders includes X-linked complicated corpus callosum dysgenesis, spastic paraplegia 1, MASA syndrome, and X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS). It is also called L1CAM syndrome and CRASH syndrome, an acronym for its primary clinical features: corpus callosum hypoplasia, retardation, adducted thumbs, spasticity, and hydrocephalus.
Deaf and hard of hearing individuals with additional disabilities are referred to as "Deaf Plus" or "Deaf+". Deaf children with one or more co-occurring disabilities could also be referred to as hearing loss plus additional disabilities or Deafness and Diversity (D.A.D.). About 40–50% of deaf children experience one or more additional disabilities, with learning disabilities, intellectual disabilities, autism spectrum disorder (ASD), and visual impairments being the four most concomitant disabilities. Approximately 7–8% of deaf children have a learning disability. Deaf plus individuals utilize various language modalities to best fit their communication needs.
References
- ↑ "What is disability?". Education to employment. National Disability Coordination Officer Program. University of Western Sydney. 2012. Archived from the original on July 24, 2013. Retrieved January 8, 2014.
- ↑ Physical Disabilities, California State University, Northridge
- ↑ "Prenatal Injury". ScienceDirect. Elsevier B.V. 2022. Retrieved 27 June 2022.
- 1 2 "Birth Defects Research & Prevention" (Government website). Bureau of Family Health and Nutrition. Massachusetts Center for Birth Defects Research and Prevention. Boston: Department of Public Health. 2022. Retrieved 27 June 2022.
- ↑ Wright, Joyce A. (2008). "Prenatal and postnatal diagnosis of infant disability: Breaking the news to mothers". The Journal of Perinatal Education. 17 (3). Springer: Lamaze International: 27–32. doi:10.1624/105812408X324543. eISSN 1548-8519. ISSN 1058-1243. PMC 2517190 . PMID 19436417. ProQuest 1844560198.
- ↑ Cooke, Michele L. (2018-10-11). "What is my deaf way of science?". UMass Magazine. University of Massachusetts Amherst. Archived from the original on 2019-05-03. Retrieved 2020-04-09.
- ↑ Dolnick, Edward (September 1993). "Deafness as Culture" (PDF). The Atlantic. 272 (3). MasterFILE Complete: EBSCO: 37. ISSN 0276-9077. OCLC 936540106. Archived from the original (PDF) on 2018-10-04.
- ↑ Mindess, Anna (2006). Reading Between the Signs: Intercultural Communication for Sign Language Interpreters. Sharon Neumann Solow, Thomas K. Holcomb. Boston: International Press. ISBN 978-1-931930-26-0. OCLC 829736204.
- ↑ Barnett, Steven; McKee, Michael; Smith, Scott R.; Pearson, Thomas A. (15 February 2011). "Deaf Sign Language Users, Health Inequities, and Public Health: Opportunity for Social Justice". Preventing Chronic Disease. 8 (2): A45. ISSN 1545-1151. PMC 3073438 . PMID 21324259.
