Developmental Milestones
What age did Helen begin walking?
12 months
What is the definition of differential diagnosis?
What is the definition of a regressive disorder?
A condition that causes a person to lose previously learned skills such as motor, language, or social skills
Which family member of Helen’s has autism spectrum disorder (ASD)
What is a repetitive behavior Helen displayed during her assessment?
arm flapping
What age did Helen first smile?
3 weeks
What disorder involves significant sensory sensitivities that Helen might be experiencing?
Sensory Processing Disorder
What regressive disorder involves the loss of language, social interaction, and motor skills, typically after age 2?
Childhood Disintegrative Disorder
What medical condition did Helen’s mother have during pregnancy?
thyroid disease
What sensory sensitivities did Helen develop?
aversion to bright lights and loud noises
4 months
Why is hearing loss a differential diagnosis for Helen?
Because she had recurrent ear infections that could have impacted her auditory processing
Which condition is most commonly associated with speech and social regression in young children, as seen in Helen?
Autism Spectrum Disorder (ASD)
How many ear infections did Helen have after 12 months?
four
What type of test was used to assess Helen at 23 months?
ADOS-T (Autism Diagnostic Observation Schedule - Toddler)
What significant developmental milestone did Helen stop doing after 12 months?
Using words
What rare childhood disorder involves a sudden loss of language due to abnormal brain activity?
Landau-Kleffner Syndrome
Name one feature of a regressive disorder present in Helen.
a loss of speech, sensory sensitivities, or social withdrawal
What behavior in Helen's family history might raise concern about her development?
her brother’s ASD diagnosis
TRUE/FALSE Helen was making frequent eye contact during her developmental assessments.
false
What is a gross motor developmental milestone that Helen achieved on time?
crawling at 6 months or walking at 12 months
Which diagnosis explains Helen’s social disengagement and sensory sensitivities, and her regressive language development?
Autism Spectrum Disorder
Why is Landau-Kleffner Syndrome unlikely to be Helen’s diagnosis?
Because Helen hasn’t had seizures, and LKS typically presents later
What medical issue did Helen experience right after birth?
low blood sugar
TRUE/FALSE Helen was born two weeks past her due date.
False, she was born two days before her due date