The<unk> , also known as Bettelheim's<unk>  of autism, is a controversial psychological<unk>  that the cause of autism is a lack of maternal warmth. Evidence against the<unk>  began in the late 1970s, with twin studies suggesting a genetic etiology, as well as various environmental factors. Modern research generally agrees that there is a largely epigenetic etiology of autism spectrum disorders. The terms<unk><unk>  and<unk>  parents were coined around 1950 as a label for<unk> s or fathers of children diagnosed with autism or schizophrenia. When Leo Kanner first identified autism in 1943, he noted the lack of warmth among the parents of autistic children. Parents, particularly<unk> s, were often blamed for their children's atypical behavior, which included rigid rituals, speech difficulty, and self-isolation.
Refrigerator mother theory
Miasma theory
Imprinted brain hypothesis
Spoon theory
Culture of violence theory
Kraepelinian dichotomy
Bobath concept
Kindling model