Autism and ADHD Flashcards
Clinical features of ASD
Social/communication deficits
Repetitive, restrictive behaviors
Deficits in social communication in ASD
Limited reciprocity
Deficits in nonverbal communication
Deficits in developing and maintaining relationships
All 3 required
Restricted and repetitive behavior in ASD
2 of 4 required: Stereotyped speech, motor movements, use of objects Routines and resistance to change Fixated Interest Abnormal response to sensory input
Does early intervention help kids with autism?
yes! Intervention by age 3 improves outcome
Is autism more common in boys or girls?
Boys
Cause of autism?
Genetic and environmental factors influence the intrauterine and postnatal brain to alter neurodevelopment
How much of autism is traced to DNA changes in genes?
60-90%
SNPs vs CNVs
SNPs acting together can increase risk for ASD
CNVs alone may be considered causative
Phelan-McDermid Syndrome
Global developmental delay, intellectual disability, absent or delayed speech, hypotonia, dysmorphic features
Phelan-McDermid Syndrome target?
SHANK3 scaffolding protein– with IGF1
ADHD
Inattention
Hyperactivity/impulsivity
Diagnosis of ADHD
Greater than 6 months of inattention symptoms, or greater than 6 months of hyperactivity/impulsivity symptoms
Is ADHD more common in boys or girls?
Boys about 3:1
Etiology of ADHD
Problems with PFC, posterior parietal cortex, NE and DA systems
PFC volume in ADHD
Smaller