We argue that infants perform an abstraction over their auditory representations of the vowels of individual speakers, by mapping them to a mediating space of speaker-independent representations, guided by vocal imitative interaction with their caretakers, as a first step in the phonological acquisition process. Furthermore, we proffer a methodology for modeling this abstraction which involves ...

T patient was a 49-year-old man with no significant past medical history, normal body mass index, and normal oral/ nasal airway anatomy, who presented with a 4-month history of episodic loss of consciousness while working as a cemetery caretaker. The patient lost consciousness while using a riding lawnmower at the cemetery during his morning landscaping duties; this caused him to lean forward i...

OBJECTIVES The purpose of this study was to describe the characteristics and reasons for pediatric hospital medicine readmissions. We also aimed to describe characteristics of potentially preventable cases and the reliability of classification. METHODS Retrospective descriptive study from December 2008 through June 2010 in a large academic tertiary care children's hospital in Houston, Texas. ...

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CONTEXT Children and adolescents who present with manic symptoms frequently do not meet the full DSM-IV criteria for bipolar I disorder (BP-I). OBJECTIVE To assess the clinical presentation and family history of children and adolescents with BP-I, bipolar II disorder (BP-II), and bipolar disorder not otherwise specified (BP-NOS). DESIGN Subjects and their primary caretaker were assessed by ...

UNLABELLED Intervention trials have shown that zinc is efficacious in treating acute diarrhea in children of developing countries. In a randomized, placebo-controlled trial, we assessed the effectiveness and efficacy of giving 3 Recommended Daily Allowances of elemental zinc to 6- to 35-month-old children with acute diarrhea. METHODS Seventeen hundred ninety-two cases of acute diarrhea in Nep...

OBJECTIVES To examine how much distress children report in response to violence that they have witnessed and how this is associated with parental reports of children's behavior. METHODS As part of a study of in utero exposure to cocaine, children completed the Levonn interview for assessing children's symptoms of distress in response to witnessing violence. The children's caregivers completed...