Chapter 13- Neurodevelopmental and Neurocognitive Disorders Flashcards
Neurodevelopmental Disorders
Neurologically based disorders that clinically present during the developmental period that persist through adulthood
Childhood Communication and Motor Disorders
Childhood-onset fluency disorder
Language Disorder
Social (Pragmatic) Communication Disorder
Tourette’s Disorder
Childhood-Onset Fluency Disorder
Stuttering
Disturbance in speech fluency that includes repetition, prolonging sounds, pauses, and substituting words
Boys > Girls 2:1
Caused by genetics and impacts many brain pathways
Treated by parent counseling, self-monitoring, and regulated breathing to prevent stuttering
Language Disorder
Limited speech in all situations, spoken language is much less than what is understood
10-15% fo all children less than 3, 5x more likely in boys
Caused by lack of speech modelling or ear infection
Many self-correct without treatment
Social (Pragmatic) Communication Disorder
Difficulties with social aspects of verbal and non-verbal communication
“Autism without restrictive, repetitive behaviors”
Includes impaired verbosity and prosody; excessive switching of topics and dominating conversations
Treated with social skills training
Tourette’s Disorder
Involuntary tics- Motor movements or vocalizations that occur in rapid succession
High comorbidity with ADHD and OCD
Treated psychologically with self-monitoring, relaxation, and habit reversal
ADHD Description
Problems of Inattention- Difficulty sustaining attention on task or activity
Motor hyperactivity
Impulsivity
Must have inattention or hyperactivity&impulsivity for diagnosis
Leads to low academic performance and social rejection
ADHD statistics
5.2% of the child population
Boys 2-3x more likely than girls
Presents young, hinders performance starting in school
Over half are chronic to adulthood
ADHD causes
Genetics- Copy number variants of many genes
Dopamine, norepinephrine, serotonin, and GABA systems
Poor inhibition control
Prenatal smoking, stress, and complicated pregnancy
Smaller brain volume
Negate childhood experiences
ADHD Treatments
Psychosocial-
Academic goal setting and reinforcement
CBT and social skills training to reduce distractibility and improve organization
Biological-
Stimulants (methylphenidate)
Non-stimulants
Reinforce attention and problem solving abilities in low doses
Specific Learning Disorder Description
The discrepancy between IQ and performance based on age, IQ, and education
Subtypes in reading, writing, and math
Diagnose by comparing test scores or by the response to intervention strategies
Impacts 5-15% of population
Communication Disorders
Closely related to specific learning disorder
Child-onset fluency disorder and language disorders
Specific learning disorder causes
Genetics
Neurobiological- decreased brain areas associated with tasks
Environmental- Home reading and school habits and cultural expectations
Motivation and psychological reinforcement
Specific learning disorder treatment
Educational intervention
Specific skill instruction
Strategy instruction
Direct instruction with strict lesson plans and teaching for mastery
Autism Spectrum Disorder (ASD) Description
Impairments in social communication and interaction
-Issues with reciprocity and joint attention
-Problems with non-verbal communication
-Lack of initiation and maintenance of social interactions
Restricted, repetitive patterns of behavior, interests, or activities
-Maintenance of sameness
-Stereotyped and ritualistic behaviors
Presents in childhood and limits functioning
ASD Statistics
Changed based on criteria from DSM 4 to 5
1/68 eight-year-olds (2014)
Male > Female 4-5:1
31% have intellectual disabilities
ASD Causes
Psychosocial- Lack of self-awareness
Genetics- Moderate heritability, low oxytocin
Reduced amygdala function
ASD Treatments
Focus on enhancing communication and daily skills
Reinforce imitation of speech
Naturalistic teaching, home-focused or with peers
Early intervention