The relation between mental ability and the ability to detect auditory pattern violations was examined using event-related potential measures, specifically P300 and mismatch negativity (MMN). Thirty female volunteers were presented with a two tone alternating pattern containing infrequent repetition violations in passive (ignore) then active…

The aim of this study was to identify promising endophenotypes for intelligence in children and adolescents for future genetic studies in cognitive development. Based on the available set of endophenotypes for intelligence in adults, cognitive tasks were chosen covering the domains of working memory, processing speed, and selective attention. This…

The present study explored the dimensionality of infant cognition by factor analyzing measures from a battery of tasks administered to a large cohort of 7-month-old preterm and full-term infants (N=203). A principal axis factor analysis yielded three factors accounting for 37[percent] of the variance. There was one attention factor (look duration…

An auditory inspection time (AIT) test, pitch discrimination tests, and verbal and non-verbal mental ability tests were administered to 59 undergraduates and 119 12-year-old school children. Results indicate that AIT correlations with intelligence are due to AIT being an index of information intake speeds. (TJH)