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Psychometric intelligence

Hatzakis A, Kokkevi A, Katsouyanni K, et al. 1987. Psychometric intelligence and attentional performance deficits in lead-exposed children. In Lindberg SE, Hutchinson TC, eds. International Conference on Heavy Metals in the Environment, Vol. 1, New Orleans, LA, September. Edinburgh, UK CEP Consultants, Ltd., 204-209. [Pg.531]

Carroll JB 1997 Psychometrics, intelligence, and public perception. Intelligence 24 25—52... [Pg.25]

Size of the brain is among the better established biological correlates of mental test scores, with a moderate effect size. There is some evidence for a small correlation between nerve conduction velocity and psychometric intelligence, and some preliminary work relating aspects of brain metabolism to mental abilities. These areas are reviewed by Deary Caryl (1997). [Pg.61]

Measure Correlation with psychometric intelligence Theoretical tract ability Cause or consequence ofpsychometric testscores Comments... [Pg.62]

If brain function measures that correlate with ability test scores occur at different levels of description then it is of interest to discover whether constructs from more than one level share variance that relates to ability test scores. Three examples of this approach follow. All three discuss ways in which the correlation between inspection times and psychometric intelligence may be investigated further. [Pg.62]

If indices of brain function are associated with prevailing levels of psychometric intelligence one might expect them to become impaired when mental test scores are affected by prevailing blood glucose levels. In the case of reaction time (decision time and movement time) and inspection time indices this occurs, but not for nerve conduction velocity. The Hick reaction time results are now considered in more detail. Forty trials were completed at each of four levels of stimulus uncertainty (1,... [Pg.69]

The effort to understand those brain functions that account for variance in psychometric intelligence produced a set of replicated correlations with indices at different levels of explanation. Future work will add to these associations and should devote more effort to explaining these correlations. A part of this explanatory toil must come from linking individual differences at different levels of description. Some contributions toward that end were offered, including statistical modelling, pharmacological intervention, functional brain imaging and event related potential studies. [Pg.71]

Neubauer AC, Spinath FM, Riemann R, Borkenau P, Angleitner AA 2000 Genetic and environmental influences on two measures of speed of information processing and their relation to psychometric intelligence evidence from the German Observational Study of Adult Twins. Intelligence, in press... [Pg.129]

Ertl JP, Schafer EWP 1969 Brain response correlates of psychometric intelligence. Nature 223 421-422... [Pg.143]

Deary I 2000 Psychometric intelligence differences and brain function. In The nature of intelligence. Wiley, Chichester (Novartis Found Symp 233) p 58-78... [Pg.268]

Table 1. Effects of lead on psychometric intelligence. Results from different studies using the Wechsler Intelligence Scale for Children (WISC)... Table 1. Effects of lead on psychometric intelligence. Results from different studies using the Wechsler Intelligence Scale for Children (WISC)...
Hatzakis, A., Kokkevi, A., Maravelias, C., Katsoiryarmi, K., Salaminios, F., Kalandidi, A., et al., 1989. Psychometric intelligence deficits in lead-exposed children. In Smith, M.A., Grant, L.D., Sors, A.I. (Eds.), Lead Exposirre and Child Development An International Assessment. Kluwer Academic, Dordrecht, The Netherlands, pp. 211 —223. [Pg.435]

Psychometric Intelligence Deficits in Lead-exposed Children... [Pg.211]

This report refers to the psychometric intelligence evaluation. [Pg.214]

The results of the present study, in the light of evidence published earlier, suggest that lead has a definite detrimental effect on the psychometric intelligence of children. This study indicates that lead effects are evident at PbB levels higher than 25 jUg/dl. Children with subthreshold levels may be at low, if any, risk of adverse effects on intelligence. Further research is needed in order to explore this issue thoroughly. [Pg.221]

Psychometric intelligence deficits in lead-exposed children... [Pg.520]

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