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Rhythmic movement coordination exhibits characteristic patterns of stability, specifically that movements at 0 degrees mean relative phase are maximally stable, 180 degrees is stable but less so than 0 degrees, and other coordinations are unstable without training. Recent research has demonstrated a role for perception in creating this pattern; perceptual(More)
The current studies explore the informational basis of the coupling in human rhythmic movement coordination tasks. Movement stability in these tasks is an asymmetric U-shaped function of mean relative phase; 0 degrees is maximally stable, 90 degrees is maximally unstable and 180 degrees is intermediate. Bingham (2001, 2004a, 2004b) hypothesized that the(More)
OBJECT In this investigation the authors compared impairment and functional outcomes between two groups of children with cerebral palsy (CP): one group underwent selective dorsal rhizotomy (SDR) followed by intensive physical therapy (PT), and the other group underwent the latter only (PT group). Data from an age-matched group of children without disability(More)
UNLABELLED The matrix (MA) domain of HIV-1 mediates proper Gag localization and membrane binding via interaction with a plasma-membrane (PM)-specific acidic phospholipid, phosphatidylinositol-(4,5)-bisphosphate [PI(4,5)P2]. HIV-1 MA also interacts with RNA, which prevents Gag from binding to membranes containing phosphatidylserine, a prevalent cellular(More)
OBJECTIVES The objective was to determine whether endoscopic third ventriculostomy (ETV) has a role in the management of obstructive hydrocephalus in aetiologies other than idiopathic aqueduct stenosis (AS) in infants. MATERIALS AND METHODS In addition to reviewing the literature, we performed a retrospective analysis of our endoscopy database, which was(More)
OBJECT The authors analyzed the role of endoscopic third ventriculostomy (ETV) as a primary treatment for hydrocephalus and also as an alternative to shunt revision for malfunctioning and infected ventriculoperitoneal (VP) shunts. METHODS A retrospective analysis of clinical notes, operation records, and magnetic resonance imaging procedures before and(More)
BACKGROUND Findings from previous studies suggest gender may affect the pattern of hip and lumbopelvic motion during a multi-segmental movement. To date, no studies have examined movement patterns and low back pain symptom behavior during hip lateral rotation. METHODS Forty-six people (27 males and 19 females) with low back pain were examined.(More)
OBJECT A retrospective study was performed to determine the following: 1) whether children who walk independently after selective dorsal rhizotomy (SDR) undergo fewer subsequent orthopedic operations than those who walk with assistance; and 2) the effect of age at SDR on the rate of orthopedic operations. METHODS The cases of 158 children with spastic(More)
As obligate intracellular parasites, viruses must gain entry into target cells and utilize the host cellular machinery for production of viral progeny. After entering the cell and localizing to an intracellular niche, the virus sheds its capsid, replicates its genome, transcribes its RNA, translates its protein components, and assembles the components to(More)
Vpr is a conserved primate lentiviral protein that promotes infection of T lymphocytes in vivo by an unknown mechanism. Here we demonstrate that Vpr and its cellular co-factor, DCAF1, are necessary for efficient cell-to-cell spread of HIV-1 from macrophages to CD4+ T lymphocytes when there is inadequate cell-free virus to support direct T lymphocyte(More)