Speech and language in bilateral perisylvian polymicrogyria: a systematic review

Abstract

AIM: We aimed to systematically review the speech production, language, and oral function phenotype of bilateral perisylvian polymicrogyria (BPP), and examine the correlation between the topography of polymicrogyria and the severity of speech, language, and oral functional impairment. METHOD: A systematic search of MEDLINE, Embase, and PubMed databases was completed on 26th October 2017 using Medical Subject Heading terms synonymous with BPP and speech, language, or oral motor impairment. In total, 2411 papers were identified and 48 met inclusion criteria. RESULTS: Expressive and receptive language impairment and oral structural and functional deficits are frequent in BPP. Expressive deficit..