Recursive hierarchical embedding allows humans to generate multiple hierarchical levels using simple rules. We can acquire recursion from exposure to linguistic and visual examples, but only develop the ability to understand "multiple-level" structures like "[[second] red] ball]" after mastering "same-level"…

Purpose: Developmental language disorder (DLD) is a neurodevelopmental disorder that impacts approximately 7% of the population and is characterized by unexplained deficits in expressive and/or receptive components of language. A common procedural learning task, serial reaction time (SRT), has been used to develop models of the basis of DLD.…

Responds to Major's (1996) and Ioup's (1996) criticism of this author's theory of language acquisition. The author agrees with both critics that abstract systems of phonology are acquired. He concludes that the proper study of language acquisition is to chart the course by which perceptual, motoric, and cognitive functions induce structure. (31…