Intelligence articles from June 1999

Intelligence archives from June 1999

Science, Policy, and Early Intervention.
June 1, 1999... The scientific study of mild mental retardation (MR) has a long and important tradition in psychological research. From its origin in the development of the Binet test, the field has continually directed its energies at the generation and...

Inspection Time and Intelligence: Practice, Strategies, and Attention.(Statistical Data Included)
June 1, 1999... In (1883) Galton initiated a search for one or more elementary properties of the nervous system that could explain individual differences in higher-order cognitive functioning. The search was abandoned when it became apparent that the simple...

Auditory Inspection Time and Intelligence: A New Spatial Localization Task.
June 1, 1999... INTRODUCTION Inspection time (IT) is a measure of the presentation time required for an observer to reliably perform a sensory discrimination task (Vickers, Nettelbeck, & Willson, 1972). Although it has its roots in reports stemming...

Detection of Motion-defined Forms by Individuals with Mental Retardation and Autism: Evidence of Modifiability.
June 1, 1999... INTRODUCTION Early (i.e., preattentive) stages of information processing are important in that they serve as the basis for subsequent perceptual and cognitive processing. If differential sensory information is made available to higher...

Elementary Cognitive Tasks and Their Roles in g Estimates.(Statistical Data Included)
June 1, 1999... Within the last 30 years, there has been a dramatic renewal of interest among individual difference researchers in elementary cognitive tasks (ECTs). One topic that has been at the forefront of such a research interest is the relationship...

Normal Variation in Size of the FMR2 Gene is not Associated with Variation in Intellectual Performance.
June 1, 1999... There are several known X-linked disorders that lead to mental retardation (Neri, Chiurazzi, Arena, & Lubs, 1994), a fact that leads to the question of whether normal variation in any of the associated X-linked genes contribute to the variation...