After Leo Kanner's identification of the characteristics of autism, many researchers speculated that the primary cause of infantile autism was
A) sensory deprivation.
B) childhood disease.
C) biological.
D) lack of adequate parenting.
E) aberrant neurological dysfunction.

Question

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Initially, many researchers speculated that autism was caused by a lack of adequate parenting, particularly the "refrigerator mother" theory, which suggested that cold and unresponsive parenting led to autism.

After Leo Kanner's Identification of the Characteristics of Autism, Many