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In this study, we address the construction of the first symbolic uses of objects in contexts of triadic interaction (adult–child–object). We assume that symbolic productions are based on public rules of the use of objects previously agreed by the community. The first symbols are not rooted in any literal, evident reality, but in shared rules of uses about the material world. We observed six dyads communicating and interacting together with 10 objects in a semi‐structured situation longitudinally from 9 to 15 months of age. We found that the infants gradually constructed symbolic meanings, and we identified five symbolic levels and sublevels. At 9 months, the infants attended and engaged in the symbolic uses produced by an adult even though they themselves were not yet able to produce them. At 12 months, infants began to use objects symbolically to communicate with adults. The highest percentage of these first symbolic uses was of level 1, that is, with a close relation to the conventional use of the object used to perform the symbol. At 15 months, children increased their symbolic uses and performed symbolic uses at all levels, whereas adults reduced such practices. Adult semiotic mediation and the social meanings of objects can be considered important factors in children's symbolic productions. Copyright © 2014 John Wiley & Sons, Ltd.

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SynopsisA two-stage mental illness survey of a random sample of persons aged 17 years and over from a rural community in Cantabria, Spain, is described. In the first stage newly qualified doctors and final year medical students interviewed 1223 respondents (583 males and 640 females) at their homes, using the General Health Questionnaire (GHQ-60) and other psychopathological and social questionnaires. In the second stage senior psychiatrists carried out an at-home interview on a sample composed of all those who in the first stage scored above the cut-off point on the GHQ, and of a similar number of persons selected at random from two independent batches of below-threshold scorers on the GHQ. Because of this design the prevalence figures have to be weighted in order to represent the whole first stage sample.Of the total population, 14·7% (8·1% of the men and 20·6% of the women) had psychiatric disorders as defined by the PSE-ID system. In males depression accounted for about twice as many cases as anxiety states, but in females there was a predominance of a combination of anxiety, phobic and obsessive conditions. Men presented a higher prevalence of disorders over the age of 35, with a peak around the age of forty, while in women the rise of prevalence was over the age of 45. There was, however, no significant association with marital status.Unemployment was related to mental illness in males but not in females, while the reverse was true of the type of work. In both sexes the presence of children under fourteen in the household was not related to a rise in prevalence. Women exhibited a high rate of mental illness in the low educational level and in the low social and religious integration groups, but in men a rise in prevalence was found in the low social status, low educational level and low social integration groups. Lastly, in both sexes the presence of physical illness was related to mental disorders.

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