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Today's software platforms that support the construction of agent systems in accordance with the FIPA specifications essentially provide enabling infrastructure services, and are still far away from adequately rendering support to current methodologies and theories for building agent systems, especially when social concepts play a significant role.(More)
Although neutral faces do not initially convey an explicit emotional message, it has been found that individuals tend to assign them an affective content. Moreover, previous research has shown that affective judgments are mediated by the task they have to perform. Using functional magnetic resonance imaging in 21 healthy participants, we focus this study on(More)
On the assumption that the ability to discriminate facial expressions has adaptive value to infants during early social exchanges, ethologically based theorists have argued that this ability is innate. Guided by this perspective, we investigated the ability of infants, 4-6 months old to recognize and discriminate facial expressions of anger, fear, and(More)
The perception of and memory for faces, with or without emotional content, were studied in 43 patients with temporal lobe epilepsy who had undergone unilateral resection of the hippocampus and the amygdala and in 43 healthy participants for comparison. Each participant performed four tasks from the Florida Affect Battery (Facial Discrimination, Affect(More)
A simple and sensitive chemiluminescence (CL) detection approach was developed for the direct analysis of aminoglycoside antibiotics in water samples following strong cation-exchange chromatographic (SCX-HPLC) separation. This detection system, which eliminates the need for sample derivatisation, is based on the inhibitory effect of aminoglycosides on the(More)
The pharmacokinetics of oxytetracycline were studied in goats, after the intravenous and intramuscular injection of a conventional and long-acting formulation. The antibiotic was distributed according to an open two-compartment model. The apparent volume of distribution (Vz) and the central compartment volume (Vc) were 1.443 litres/kg and 0.453 litre/kg,(More)