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Chapter 5
| Term | Definition |
|---|---|
| Natural supports | Informal help and resources that come from a person’s everyday environment, such as family, friends, coworkers, routines, or community relationships, rather than from formal services or professionals. |
| Adaptive Behavior | The practical, social, and conceptual skills people use to function effectively in everyday life and meet the demands of their environment. |
| Intellectual functioning | A person’s general mental ability, including skills such as reasoning, problem-solving, learning, and understanding. |
| Social Intelligence | The ability to understand, navigate, and manage social situations and relationships effectively. |
| Practical intelligence | The ability to solve everyday problems and adapt effectively to real-world situations. |
| Supports | Things that provide help, assistance, or reinforcement to someone or something. |
| Moderate | Average in amount, degree, or intensity; not extreme. |
| Severe | Very serious, intense, or extreme in degree. |
| Intellectual Disabilities | Conditions that cause problems with learning, thinking, and daily life skills, starting before age 18. |
| Prenatal | Before birth |
| Perinatal | At the time of birth |
| Postnatal | Post birth |
| Chromosomal disorders | Conditions caused by having too many, too few, or structurally abnormal chromosomes, which can affect growth, development, and health. |
| Down Syndrome | Down syndrome is a genetic disorder caused by an extra copy of chromosome 21, leading to intellectual disability and distinctive physical features. |
| Trisomy 21 | The medical term for Down syndrome, caused by having three copies of chromosome 21 instead of the usual two. |
| Maternal serum screening | A blood test during pregnancy that checks the mother’s blood for certain substances to assess the risk of the baby having chromosomal disorders (like Down syndrome) or neural tube defects. |
| Nuchal translucency Ultrasound | A special prenatal ultrasound done in the first trimester that measures the fluid at the back of a baby’s neck to help assess the risk of Down syndrome or other chromosomal conditions. |
| Amniocentesis | A prenatal test where a small amount of amniotic fluid is taken from the womb to check the baby’s chromosomes and detect genetic disorders. |
| Spina Bifida | A birth defect where the spine and spinal cord don’t form properly, which can cause physical and sometimes neurological problems. |
| Chorionic villus sampling | A prenatal test where a small sample of tissue from the placenta is taken to check the baby’s chromosomes and detect genetic disorders. |
| Fragile X syndrome | A genetic disorder caused by a mutation on the X chromosome, leading to intellectual disability, learning difficulties, and sometimes behavioral challenges. |
| Prader-Willi syndrome | A genetic disorder caused by missing or inactive genes on chromosome 15, leading to low muscle tone, intellectual disability, and an insatiable appetite that can cause obesity. |
| Williams Syndrome | A genetic disorder caused by the deletion of genes on chromosome 7, leading to distinctive facial features, heart problems, mild to moderate intellectual disability, and very social, friendly behavior. |
| Inborn Errors os Metabolism | Genetic disorders in which the body cannot properly break down or process certain substances, leading to buildup of toxic materials or deficiency of important products. |
| Phenylketonuria (PKU) | Genetic disorder in which the body cannot break down the amino acid phenylalanine, leading to its buildup, which can cause intellectual disability if untreated. |
| Microcephalus | Condition where a baby’s head is smaller than normal, often due to abnormal brain development, which can lead to developmental delays or intellectual disability. |