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Intellectual Disability and Development Disorders
Chapters 4
49
Psychology
Undergraduate 3
01/24/2018

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Term
Aggression
Definition

Behavior that causes property destruction or injury/harm to another person 

 

 

(1/5 of Children with Intellectual Disability also show recurrent problems with aggression)

Term
Amniocentesis
Definition

A more invasive screening technique that is usually conducted during weeks 15-20 of gestation.

 

They remove small amounts of amniotic fluid with a needle inserted into the abdomen of the mother. 

Term
Anoxia
Definition
Delivery complications that interfere with the fetus's ability to obtain oxygen for extended periods of time.
Term
Applied Behavior Analysis (ABA)
Definition
A Scientific approach to identifying a child's problematic behavior, or determining its cause or changing it.
Term

Behavioral Phenotype

Definition

Involves the heightened probability or likelihood that people with a given syndrome will exhibit certain behavioral or developmental (sequelae) relative to those without the syndrome. 

 

Sequelae-a condition that is the consequence of a previous disease or injury.

Term
Chorine Villus Sampling
Definition

A genetic screening technique that can be done earlier, usually between 8 and 12 weeks gestation.

 

The physician takes a small amount of chorionic villi, the wisp-like tissue that connects the placenta to the wall of the uterus. 

Term
Prenatal Screening Tests
Definition

-Serum Screening

- Amniocentesis

-Chorionic Villus Sampling

Term
Causes of Cultural-Familial Intellectual Disability
Definition

-Socioeconomic Status

-Ethnicity

Home Environment

Term
Childhood Illness or Injury
Definition

Encephalitis-Swelling of the Brain Tissue

 

Meningitis-Inflammation of the meninges, the membrane that surrounds the brain and spinal cord.

 

 

Term
DSM-5 Definition of Intellectual Disability
Definition
Characterized by significant limitations in general mental abilities and adaptive functioning that emerge during the course of children's development.
Term
Three Domains of Adaptive Functioning the DSM 5 Identifies
Definition

- Conceptual Skills: Understanding Language, speaking..etc

- Social Skills: Interpersonal skills, following rules, etc. 

- Practical Skills: Person care, school/work skills, using money.

Term
The Four Severity of Impairment within the DSM-5
Definition

Mild: Concrete communication, may have difficulty regulating emotion (Adaptive Function Score:55-70) 

Moderate: Shows marked differences in social and communication skills. (AFSL: 40-55)

Severe: Limited spoken language (AFS: 25-40) 

Profound: Limited understanding of symbolic phrases

(AFS: <25)

Term
American Association of Intellectual Disability (AAIDD) Focus that differs from the DSM-5
Definition
Needed Support: a broad array of assistance that helps the individual function effectively in society.
Term
Global Development Delay (GDD)
Definition

A neurodevelopment disability that is only diagnosed in children less than 5 years of age. When the child fails to meet developmental milestones.

 

pg. 95

Term

Causes of Global Development Dely

 

Chromosomal Microarray (CMA)

Definition
Standard test for Children with GDD; this test identifies copy number variants in major regions of the genome.
Term
Lists of Challenging Behaviors
Definition

Stereotypies

Self Injurious Behavior 

Physical Aggression

Term
Sterotypies
Definition
Behavior performed in a consistent, rigid, and repetitive manner and that have no immediate, practical significance.
Term
Self-Injurious Behavior (SIB)
Definition
Involves repetitive movements of the hands, limbs, or head in a manner that can, or do cause physical harm or damage to the person.
Term
Physical Aggression 
Definition
Behavior that causes property destruction or injury/harm to another person.
Term

Dual Diagnosis

 

 

 

 

Pg 101

Definition
The presence of mental disorders among individuals with intellectual Disabilitys
Term

Diagnostic Overshadowing

 

 

 

Pg 101

Definition
The tendency of clinicians to attend to the features of Intellectual Disability rather than to the symptoms of coexisting mental disorders.
Term

Organic Intellectual Disability

 

pg 103

Definition
Identifiable causes for impairments.
Term

Cultural-Familial Intellectual Disability

 

 

Pg. 103 

Definition
No clear cause for their cognitive and adaptive impairments.
Term

Similar Sequence Hypothesis

 

 

Pg. 103

Definition
Children with intellectual Disability progress through the same cognitive stages as typical developing children, albeit at a slower pace.
Term

Similar Structure Hypothesis

 

Pg. 103

Definition
Indicates that two children with the same mental age (one with a disability, one without) will show similar abilities.
Term
Chromosomal Abnormalities
Definition

Down Syndrome

Fragile X Syndrome

Prader-Willi Syndrome

Angelmans's Syndrome

Williams Syndrome

Term

Down Syndrome

 

Pg. 104

Definition

A genetic disorder characterized by moderate to severe Intellectual Disability 

Approximately 95% of cases are caused by an extra 21st Chromosome

Term

Nondisjunction

 

 

Pg 104

Definition

The failure of the chromosome to separate during meiosis. 

A cause of down syndrome.

Term

Translocation 

 

 

Pg. 105

Definition
The child with DS inherits one chromosome from each parent and an abnormally fused chromosome from one of the parents.
Term

Chromosomal Mosaicism

 

Pg. 105

Definition

The Mix of normal and abnormal genetic information

 

Is caused when some cells fail to separate during mitosis.  

 

Term

Fragile X Syndrome

 

 

Definition
Caused by a mutation in a gene on the X chromosome.
Term

Simultaneous Processing

 

Pg. 107

Definition

Perceiving, organizing, and interpreting information all at once. 

 

Boys with Fragile X Syndrome perform well in these tasks.

Term

Sequential Processing

 

 

 

Pg. 107

Definition

The capacity to arrange and process information in a certain order. 

 

Children with Fragile X Syndrome struggle with this

Term

Prader-Willi Syndrome (PWS)

 

Pg. 107

Definition
Caused by the deletion of genetic information on a portion of chromosome 15
Term
Chromosome 15
Definition
Maternal Unipaternal Disomy
Term
Hyperphagia
Definition
The individual with PWS eats a large a mount of food.
Term

Angelman's Syndrome

 

Pg. 108

Definition
Caused by an abnormality on chromosome 15. Same as PWS.
Term

Williams Syndrom 

 

Definition
A Genetic Disorder caused by low intellectual function
Term
Metabolic Disorders
Definition

Phenylalanine (PKU)

 

 

Term

Phenylketonuria

 

Pg. 110

Definition

A metabolic disorder that is caused by a recessive gene inherited from both parents.

 

Term

Phenylalanine

 

Pg. 110

Definition

An essential amino acid found in certain foods to paratyrosine. In PKU the enzyme that breaks down phenylalanine is not produced by the liver. 

 

Toxins build up which can cause brain damage and intellectual disability. 

Term

Embryonic Teratogen Exposure

 

Pg. 111

Definition

Disabilities can occur when children are introduced to certain toxins in the environment. 

 

Teratogens- Environmental substances that cause maldevelopment in the fetus often resulting in Intellectual Disability. 

Term

Maternal Illness

 

pg. 111

Definition

Viruses acquired by the mother during pregnancy used to be a leading cause of organic Intellectual Disability.

 

Rubella Virus

Maternal Syphilis

Human Immunodeficiency Virus (HIV)

Term
Rubella Virus
Definition
Term

Infant Health and Development Program

 

Pg. 115

Definition
A program to prevent the emergence of Intellectual Disability in children at risk for low IQ.
Term

Three ways to Monitor Child Behavior

 

 

Pg. 119

Definition

Event Recording

 

Interval Recording

 

Duration Recording

Term

Differential Reinforcement

 

Pg. 120

Definition

Differential Reinforcement of Incompatible Behaviors (DRI)

 

Differential Reinforcement of Zero Behavior (DRO)

Term

Differential Reinforcement of Incompatible Behavior (DRI)

 

Pg. 120

 

Definition
The therapist provides positive reinforcement when the child engages in a behavior that is incompatible with the problematic behavior.
Term

Differential Reinforcement of Zero Behavior (DRO)

 

Pg. 120

Definition
The therapist reinforces the child for not engaging in the problematic behavior for a certain period of time.
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