key concepts of the of autism , heritability, epigenitcs are related ,neuronatomical pathways

Write a substantial and thorough paragraphs explaining key concepts of the of autism how its considered a high degree of heritability and how epigenitcs are related and the abnormalities of the neuronatomical pathways and neurophysiological function believed to cause this disorder

250 words for each concept

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Some sources to go from and more if can be found

Abutalebi, J., & Mariën, P. (2008). Neuropsychological Research: A Review. Hove [England]: Psychology Press. Retrieved September 27, 2017, from EBook Collection

Conturo, T. E., WillIams, D. L., Smith, C. D., Gultepe, E., Akbudak, E., & Minshew, N. J. (2008, November). Neuronal fiber pathway abnormalities in autism: An initial MRI diffusion tensor tracking study of hippocampo-fusiform and amygdalo-fusiform pathways. Retrieved September 27, 2017, from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3298449/

Williams, D., & Happé, F. (2010). Representing intentions in self and other: studies of autism and typical development. Developmental Science, 13(2), 307-319.