Publications by authors named "L Theodorou"

While externalizing behaviors are common among children with autism spectrum disorder (ASD), there is a shortage of specialist community-based clinicians to provide treatment. Parent-Child Interaction Therapy (PCIT), an intervention designed to reduce child disruptive behaviors, may be effective for families of children with ASD but has rarely been studied outside of university-based research settings. We examined the effectiveness of PCIT delivered for children with (N = 109) and without (N = 2,324) ASD/developmental delays (DD) across community-based agencies in Oregon.

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Behavior disorders in early childhood are linked to a variety of negative outcomes for both children and families. Parent-Child Interaction Therapy (PCIT), an evidence-based parent-training program, demonstrates large effect sizes in reducing child problem behavior for dyads who complete treatment; however, a high number of families seeking treatment in community-based settings terminate from PCIT prior to meeting the protocol's strict graduation criteria. The purpose of this study was to examine the impact of PCIT on child behavior problems for families who received at least a small dose of PCIT but not enough to meet the strict mastery criteria required for graduation.

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In live performances seated audiences have restricted opportunities for response. Some responses are obvious, such as applause and cheering, but there are also many apparently incidental movements including posture shifts, fixing hair, scratching and adjusting glasses. Do these movements provide clues to people's level of engagement with a performance? Our basic hypothesis is that audience responses are part of a bi-directional system of audience-performer communication.

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Spinal muscular atrophy (SMA) is an autosomal recessive, neurodegenerative disorder characterised commonly by proximal muscle weakness and wasting in the absence of sensory signs. Deletion or disruption of the SMN1 gene causes the disease. The SMN1 gene is located within an inverted duplication on chromosome 5q13 with the genes SMN2, NAIP and GTF2H2.

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The kinetics of immobilized enzymes can not be analyzed by means of the simple Michaelis-Menten concept, which generally fails to describe the immobilized state due to both its probable barriers, and because the active concentration of the enzyme approaches, or even exceeds this of its substrate(s). In such cases, the various experimental data are usually treated by complex rate equations comprising too many parameters acquiring different natures and meanings, depending on both the properties of the immobilization state and the experimental conditions; thus, more likely, only apparent values of the Michaelis-Menten kinetic parameters can be estimated experimentally. Likewise, immobilization is often a key method in optimizing the operational performance of enzymes, in both laboratory and industrial scale, and affects considerably the kinetics in non-aqueous and non-conventional media due to several issues as the structural changes of the enzyme molecule, the heterogeneity of the system, and the partial or total absence of water.

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