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The prodrome of autism: early behavioral and biological signs, regression, peri‐ and post‐natal development and genetics
Author(s) -
Yirmiya Nurit,
Charman Tony
Publication year - 2010
Publication title -
journal of child psychology and psychiatry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.652
H-Index - 211
eISSN - 1469-7610
pISSN - 0021-9630
DOI - 10.1111/j.1469-7610.2010.02214.x
Subject(s) - prodrome , autism , psychology , sibling , autism spectrum disorder , developmental psychology , developmental disorder , psychiatry , pediatrics , clinical psychology , psychosis , medicine
Autism is one of the most heritable neurodevelopmental conditions and has an early onset, with symptoms being required to be present in the first 3 years of life in order to meet criteria for the ‘core’ disorder in the classification systems. As such, the focus on identifying a prodrome over the past 20 years has been on pre‐clinical signs or indicators that will be present very early in life, certainly in infancy. A number of novel lines of investigation have been used to this end, including retrospective coding of home videos, prospective population screening and ‘high risk’ sibling studies; as well as the investigation of pre‐ and peri‐natal, brain developmental and other biological factors. While no single prodromal sign is expected to be present in all cases, a picture is emerging of indicative prodromal signs in infancy and initial studies are being undertaken to attempt to ameliorate early presentation and even ‘prevent’ emergence of the full syndrome.