Medical and Biomedical Researches

The referential communication skills of children with imaginary companions.

June 27th, 2008
The referential communication skills of children with imaginary companions. The present study investigated the referential communication skills of children with imaginary companions (ICs). Twenty-two children with ICs aged between 4 and 6 years were compared to 22 children without ICs (NICs). The children were matched for ...

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Move it! Visual feedback enhances validity of preferential looking as a measure of individual differ

June 27th, 2008
Move it! Visual feedback enhances validity of preferential looking as a measure of individual differences in vocabulary in toddlers. Forty toddlers aged 20 to 24 months were presented with 32 pairs of images with the auditory stimulus Look followed by the name of the target image ...

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Do children with autism ’switch off’ to speech sounds? An investigation using event-related potent

June 27th, 2008
Do children with autism \'switch off\' to speech sounds? An investigation using event-related potentials. Autism is a disorder characterized by a core impairment in social behaviour. A prominent component of this social deficit is poor orienting to speech. It is unclear whether this deficit involves an ...

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Conflicting cues in a dynamic search task are reflected in children’s eye movements and search erro

June 27th, 2008
Conflicting cues in a dynamic search task are reflected in children\'s eye movements and search errors. Three-year-olds were given a search task with conflicting cues about the target\'s location. A ball rolled behind a transparent screen and stopped behind one of four opaque doors mounted into ...

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Lying in the name of the collective good: a developmental study.

June 27th, 2008
Lying in the name of the collective good: a developmental study. The present study examined the developmental origin of \'blue lies\', a pervasive form of lying in the adult world that is told purportedly to benefit a collective. Seven, 9-, and 11-year-old Chinese children were surreptitiously ...

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Do as I do: 7-month-old infants selectively reproduce others’ goals.

June 27th, 2008
Do as I do: 7-month-old infants selectively reproduce others\' goals. In the current study, we tested whether 7-month-old infants would selectively imitate the goal-relevant aspects of an observed action. Infants saw an experimenter perform an action on one of two small toys and then were given ...

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Vision for perception and vision for action: normal and unusual development.

June 27th, 2008
Vision for perception and vision for action: normal and unusual development. Evidence suggests that visual processing is divided into the dorsal (\'how\') and ventral (\'what\') streams. We examined the normal development of these streams and their breakdown under neurological deficit by comparing performance of normally developing ...

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The development of articulatory signatures in children.

June 27th, 2008
The development of articulatory signatures in children. The ability to perceive and produce sounds at multiple time scales is a skill necessary for the acquisition of language. Unlike speech perception, which develops early in life, the production of speech sounds starts at a few months and ...

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Acquisition of mental state language in Spanish children: a longitudinal study of the relationship b

June 27th, 2008
Acquisition of mental state language in Spanish children: a longitudinal study of the relationship between the production of mental verbs and linguistic development. The development of language indicating the emergence of thinking about the thoughts of self and others has been scarcely studied in Spanish-speaking children. ...

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Differentiation and integration: guiding principles for analyzing cognitive change.

June 27th, 2008
Differentiation and integration: guiding principles for analyzing cognitive change. Differentiation and integration played large roles within classic developmental theories but have been relegated to obscurity within contemporary theories. However, they may have a useful role to play in modern theories as well, if conceptualized as guiding ...

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Partial vinylphenol reductase purification and characterization from Brettanomyces bruxellensis.

June 27th, 2008
Partial vinylphenol reductase purification and characterization from Brettanomyces bruxellensis. Brettanomyces is the major microbial cause for wine spoilage worldwide and causes significant economic losses. The reasons are the production of ethylphenols that lead to an unpleasant taint described as \'phenolic odour\'. Despite its economic importance, Brettanomyces ...

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Bacterial diversity of Taxus rhizosphere: culture-independent and culture-dependent approaches.

June 27th, 2008
Bacterial diversity of Taxus rhizosphere: culture-independent and culture-dependent approaches. The regional variability of Taxus rhizosphere bacterial community composition and diversity was studied by comparative analysis of three large 16S rRNA gene clone libraries from the Taxus rhizosphere in different regions of China (subtropical and temperate regions). ...

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Maximal transcription of aur (aureolysin) and sspA (serine protease) in Staphylococcus aureus requir

June 27th, 2008
Maximal transcription of aur (aureolysin) and sspA (serine protease) in Staphylococcus aureus requires staphylococcal accessory regulator R (sarR) activity. Previous studies have shown that expression of aur (metalloprotease; aureolysin) and sspA (V8 protease; serine protease) in Staphylococcus aureus strain 8325-4 is maximal in the postexponential phase ...

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Dinucleotide polyphosphates contribute to purinergic signalling via inhibition of adenylate kinase a

June 27th, 2008
Dinucleotide polyphosphates contribute to purinergic signalling via inhibition of adenylate kinase activity. Introduction: Dinucleoside polyphosphates are well described as direct vasoconstrictors and as mediators with strong proliferative properties, however, less is known about their effects on nucleotide-converting pathways. Therefore, the present study investigates the effects of ...

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An Adjuvanted, Low-Dose, Pandemic Influenza A (H5N1) Vaccine Candidate Is Safe, Immunogenic, and Ind

June 27th, 2008
An Adjuvanted, Low-Dose, Pandemic Influenza A (H5N1) Vaccine Candidate Is Safe, Immunogenic, and Induces Cross-Reactive Immune Responses in Healthy Adults. Background. @nbsp; To protect a naive global population against pandemic influenza, pandemic vaccines should be effective at low antigen doses, because of limited manufacturing capacity. Methods. ...

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Next-Generation DNA Sequencing Methods.

June 27th, 2008
Next-Generation DNA Sequencing Methods. Recent scientific discoveries that resulted from the application of next-generation DNA sequencing technologies highlight the striking impact of these massively parallel platforms on genetics. These new methods have expanded previously focused readouts from a variety of DNA preparation protocols to a genome-wide ...

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Imaging of STAT3 Signaling Pathway During Mouse Embryonic Stem Cell Differentiation.

June 27th, 2008
Imaging of STAT3 Signaling Pathway During Mouse Embryonic Stem Cell Differentiation. Signal transducers and activators of transcription 3 (STAT3) is a pleiotropic transcription factor involved in a variety of physiological processes. STAT3 acts as a key transcriptional determinant of mouse embryonic stem (ES) cell self-renewal and ...

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Omniview-SisPorto((R)) 3.5 - a central fetal monitoring station with online alerts based on computer

June 27th, 2008
Omniview-SisPorto((R)) 3.5 - a central fetal monitoring station with online alerts based on computerized cardiotocogram+ST event analysis. Abstract Visual analysis of cardiotocograms is poorly reproducible and is currently recognized as the main weakness of the STAN((R)) methodology. The Omniview-SisPorto((R)) 3.5 program is the most recent version ...

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Pregnancy among young adolescents: trends, risk factors and maternal-perinatal outcome.

June 27th, 2008
Pregnancy among young adolescents: trends, risk factors and maternal-perinatal outcome. Abstract Adolescent pregnancies have increased over the past years and are considered a significant social and reproductive concern. This document will briefly describe trends, risk factors and maternal-perinatal outcome associated to pregnancies among young adolescents. Prevalence ...

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Integrated backscatter of the brain of preterm infants.

June 27th, 2008
Integrated backscatter of the brain of preterm infants. Abstract We measured integrated backscatter (IBS) in the brain of preterm infants using acoustic ultrasound. The study group consisted of 25 preterm infants (gestational age, 32.4+/-2.5 weeks; birth weight, 1488+/-422 g). In parasagittal scans through the posterior horn ...

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Hematological profile of Korean very low birth weight infants.

June 27th, 2008
Hematological profile of Korean very low birth weight infants. Abstract For very low birth weight (VLBW) infants, diagnostic and therapeutic decisions widely depend on hematological values. Although ethnic differences for hematologic parameters have been reported, few studies have been reported for Korean VLBW infants. This study ...

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The combined detection of umbilical cord nucleated red blood cells and lactate: early prediction of

June 27th, 2008
The combined detection of umbilical cord nucleated red blood cells and lactate: early prediction of neonatal hypoxic ischemic encephalopathy. Abstract Objective: To establish a simple and quick method that could be used to predict the occurrence of hypoxic ischemic encephalopathy (HIE) as early as possible by ...

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Disinfection of Burkholderia cepacia complex from non-touch taps in a neonatal nursery.

June 27th, 2008
Disinfection of Burkholderia cepacia complex from non-touch taps in a neonatal nursery. Abstract Burkholderia cepacia complex (Bcc) comprises nine closely related species or genomovars. It is an important causative agent of opportunistic infections and waterborne nosocomial infections. B. cepacia (formerly genomovar I) was identified from the ...

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Increasing rates of sex-discordant twins no longer correspond to decreasing perinatal mortality rate

June 27th, 2008
Increasing rates of sex-discordant twins no longer correspond to decreasing perinatal mortality rates. Abstract Objective: To analyze dizygotic twinning rates and outcomes over a 25-year period. Methods: Birth and fetal death certificates from 1980-2004 in Washington State, USA, were analyzed retrospectively to find factors associated with ...

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Exodus-1 (CCL20): evidence for the participation of this chemokine in spontaneous labor at term, pre

June 27th, 2008
Exodus-1 (CCL20): evidence for the participation of this chemokine in spontaneous labor at term, preterm labor, and intrauterine infection. Abstract Aim: CCL20, also known as MIP-3 alpha, is a chemokine that participates in chemotaxis of immature dendritic cells, effector/memory T-cells, and B-lymphocytes. The objectives of this ...

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