897 resultados para credibility deficit


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El presente trabajo de investigación tiene como objetivo identificar el papel que tuvo el Fondo Monetario Internacional [FMI] en el cambio de la imagen del Estado argentino después de la crisis financiera que estalló en el 2001. Como consecuencia de la declaración de default por parte del gobierno argentino se da un cambio en la imagen financiera del país, influenciada por el FMI, que convierte a Argentina en un paria internacional en temas financieros y comerciales alejándolo de los mercados internacionales. Este estudio de caso tendrá un acercamiento cualitativo dado que se analizarán las características, actuaciones y las bases crean el lazo entre las variables de la crisis financiera y el rol del FMI en Argentina y así poder entender su relación.

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Los niños con trastorno de déficit de atención e hiperactividad (ADHD) pueden experimentar a menudo fracaso escolar, expulsión escolar y problemas emocionales, conductuales y sociales. Para desmitificar esta disfunción, este manual ayuda a comprenderla y a manejarla, a adoptar las estrategias educativas y los enfoques de gestión del comportamiento más adecuados para cada niño. También explora el uso de los tratamientos alternativos, tales como estrategias psicológicas y psiquiátricas, medicamentos, asesoramiento, entrenamiento y cambios en la dieta, lo que permite ofrecer a los niños un futuro más positivo.

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Manual que ofrece numerosas recomendaciones para hacer frente a los múltiples síntomas del bajo auto-control y gestión del tiempo, la falta de atención y desorganización, y el comportamiento impulsivo y descuidado que afecta a casi todos los ámbitos de las principales actividades de la vida de los adultos con TDAH. Describe cómo el cerebro de la persona con Trastorno por Déficit de Atención e Hiperactividad (TDAH) procesa la información y cómo se producen los típicos desafíos que estas personas experimentan, así como por qué ciertas estrategias son efectivas y otras no. Explica detalladamente el tratamiento, tipo de medicamentos, terapia y entrenamiento, además de los tratamientos alternativos. Proporciona una amplia colección de estrategias prácticas en las áreas de la autoestima, trabajo, relaciones, amistad, paternidad y la vida cotidiana. Incluye la gestión de tiempo para organizarse. Está estructurado en ciento ochenta y nueve artículos independientes entre si que tratan sobre un tema en particular.

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We argue that impulsiveness is characterized by compromised timing functions such as premature motor timing, decreased tolerance to delays, poor temporal foresight and steeper temporal discounting. A model illustration for the association between impulsiveness and timing deficits is the impulsiveness disorder of attention-deficit hyperactivity disorder (ADHD). Children with ADHD have deficits in timing processes of several temporal domains and the neural substrates of these compromised timing functions are strikingly similar to the neuropathology of ADHD. We review our published and present novel functional magnetic resonance imaging data to demonstrate that ADHD children show dysfunctions in key timing regions of prefrontal, cingulate, striatal and cerebellar location during temporal processes of several time domains including time discrimination of milliseconds, motor timing to seconds and temporal discounting of longer time intervals. Given that impulsiveness, timing abnormalities and more specifically ADHD have been related to dopamine dysregulation, we tested for and demonstrated a normalization effect of all brain dysfunctions in ADHD children during time discrimination with the dopamine agonist and treatment of choice, methylphenidate. This review together with the new empirical findings demonstrates that neurocognitive dysfunctions in temporal processes are crucial to the impulsiveness disorder of ADHD and provides first evidence for normalization with a dopamine reuptake inhibitor.

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Improving plant quality and the uniformity of a crop are major objectives for growers of ornamental nursery stock. The potential to control excess vigour and to improve quality through regulated deficit irrigation (RDI) was investigated using a range of woody ornamental species. RDI regimes reduced vegetative growth consistently across different species and growing seasons. Plants adapted to reduced water supplies primarily via stomatal control, but also by osmotic adjustment when grown under the most severe RDI regimes. Only plants exposed to <= 25% of potential evapo-transpiration demonstrated any evidence of leaf injury, and the extent was slight. Growth inhibition increased as the severity of RDI increased. Improvements in quality were attained through a combination of shorter internodes and final shoot lengths, yet the number of 'formative' primary shoots remained unaffected. Compact, well-branched plants could be formed without a requirement for mid-season pruning. In addition to severity, the timing of RDI also influenced growth responses. Applying 50% ETp for 8 weeks during July-August resulted in the formation of good quality plants, which retained their shape until the following Spring. Re-positioning irrigation drippers within the pots of well-watered plants, in an attempt to induce a partial root drying (PRD) treatment, reduced growth, but not significantly. The adoption of irrigation scheduling, based on 50-100% ETp, has the potential to improve commercial crop quality across a range of ornamental species.

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Williams syndrome (WS) is a rare genetic disorder with a unique cognitive profile in which verbal abilities are markedly stronger than visuospatial abilities. This study investigated the claim that orientation coding is a specific deficit within the visuospatial domain in WS. Experiment I employed a simplified version of the Benton Judgement of Line Orientation task and a control, length-matching task. Results demonstrated comparable levels of orientation matching performance in the group with WS and a group of typically developing (TD) controls matched by nonverbal ability, although it is possible that floor effects masked group differences. A group difference was observed in the length-matching task due to stronger performance from the control group. Experiment 2 employed an orientation-discrimination task and a length-discrimination task. Contrary to previous reports, the results showed that individuals with WS were able to code by orientation to a comparable level as that of their matched controls. This demonstrates that, although some impairment is apparent, orientation coding does not represent a specific deficit in WS. Comparison between Experiments I and 2 suggests that orientation coding is vulnerable to task complexity. However, once again, this vulnerability does not appear to be specific to the population with WS, as it was also apparent in the TD controls.

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Attention Deficit Hyperactivity Disorder (ADHD) and Autism Spectrum Disorder (ASD) are often comorbid and share behavioural-cognitive abnormalities in sustained attention. A key question is whether this shared cognitive phenotype is based on common or different underlying pathophysiologies. To elucidate this question, we compared 20 boys with ADHD to 20 age and IQ matched ASD and 20 healthy boys using functional magnetic resonance imaging (fMRI) during a parametrically modulated vigilance task with a progressively increasing load of sustained attention. ADHD and ASD boys had significantly reduced activation relative to controls in bilateral striato–thalamic regions, left dorsolateral prefrontal cortex (DLPFC) and superior parietal cortex. Both groups also displayed significantly increased precuneus activation relative to controls. Precuneus was negatively correlated with the DLPFC activation, and progressively more deactivated with increasing attention load in controls, but not patients, suggesting problems with deactivation of a task-related default mode network in both disorders. However, left DLPFC underactivation was significantly more pronounced in ADHD relative to ASD boys, which furthermore was associated with sustained performance measures that were only impaired in ADHD patients. ASD boys, on the other hand, had disorder-specific enhanced cerebellar activation relative to both ADHD and control boys, presumably reflecting compensation. The findings show that ADHD and ASD boys have both shared and disorder-specific abnormalities in brain function during sustained attention. Shared deficits were in fronto–striato–parietal activation and default mode suppression. Differences were a more severe DLPFC dysfunction in ADHD and a disorder-specific fronto–striato–cerebellar dysregulation in ASD.