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Query: UMLS:C0004352 (autism)
 32,579 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Twenty-three psychotic children ranging in age from 5 to 16 were interviewed in half-hour play sessions. The play session comprised three activities designed to elicit statements using the pronouns I, you, and he to express the concepts of possession, action, and description. It was hypothesized that psychotic children would use the third-person pronoun he more readily than the first-person pronoun I (Hypothesis I), and that possession, action, and description statements would develop in an orderly sequence as predicted by Bosch (1962/1970) (Hypothesis II). Hypothesis I was not confirmed: Some of the least advanced psychotic children used the pronoun I, and only the most advanced children used you and he. Hypothesis II was confirmed: the least advanced children used pronouns correctly in statements expressing the concept of possession, whereas the most advanced children had mastered all three contexts of pronoun use. These results have implications for language therapy, and they are concordant with the language theories of Piaget and Werner and Kaplan.
J Autism Child Schizophr 1978 Dec
PMID:The development of pronoun usage in the psychotic child. 73 Jun 65

As the proportion of older people in societies has increased, research into the determinants of cognitive ageing has risen in importance. Genetic influences account for over 50% of the variance in adult cognitive abilities. Previous studies on cognition and illnesses with cognitive impairments have identified single nucleotide polymorphisms (SNPs) within candidate genes that might influence cognition or age-related cognitive change. This study investigated 10 candidate genes in over 1000 Scots: the Lothian Birth Cohort 1936 (LBC1936). These participants were tested on general cognitive ability (Scottish Mental Survey 1947) at age 11. At mean age 70, they completed the same general cognitive ability test and a battery of diverse cognitive tests. Nineteen SNPs in 10 genes previously associated with cognition, Alzheimer's disease or autism were genotyped in 1063 individuals. The genes include BDNF, COMT, DISC1, KL, NCSTN, PPP1R1B, PRNP, SHANK3, SORL1 and WRN. Linear regression analysis investigated the additive effect of each SNP on the cognitive variables, covarying for gender and age. Childhood cognitive ability was also included as a covariate to identify associations specifically with cognitive ageing. Certain SNPs reached the conventional significance threshold for association with cognitive traits or cognitive ageing in LBC1936 (P < 0.05). No SNPs reached the Bonferroni-level of significance (all P > 0.0015). Of the 10 genes, we discuss that COMT, KL, PRNP, PPP1R1B, SORL1 and WRN especially merit further attention for association with cognitive ability and/or age-related cognitive change. All results are also presented so that they are valuable for future meta-analyses of candidate genes for cognition.
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PMID:Replication study of candidate genes for cognitive abilities: the Lothian Birth Cohort 1936. 1907 15