The results of Cognitive Intervention (CI) programs vary considerably; thus, it is helpful to assess the characteristics that enhance the effectiveness of these programs. Our objectives were to analyze the effectiveness of a multicomponent CI program called UMAM on cognitive performance, subjective memory, daily forgetfulness, and mood of…

Few studies have examined how cognitive-reading relations vary for children and adolescents with different levels of general cognitive ability. This may be instrumental in understanding the development of academic skills and learning difficulties. Research suggests reading development should emphasize the influence of contextual factors that have…

Cognitive performance is both heritable and sensitive to environmental inputs and sustained practice over time. However, it is currently unclear how genetic effects on cognitive performance change over the course of learning. We examine how polygenic scores (PGS) created from genome-wide association studies of educational attainment and cognitive…

Cognitive flexibility (CF) is the ability to shift between concepts or rules. Difficulty with CF is associated with autism (i.e., ASD) as it contributes to repetitive behaviours. However, little is known about CF skills of autistic adolescents with low intelligence. This study uses the Wisconsin Card Sorting Task (WCST) to assess the CF of 36…

Within the field of school psychology, the currently accepted structure of intelligence is the Cattell-Horn-Carroll Model (CHC). The CHC model contains three strata of abilities: a general ability (g), multiple broad cognitive abilities, and several narrow abilities (Schneider & McGrew, 2018), although the theoretical salience of the g factor…

Higher schooling attainment is associated with better cognitive function at older ages, but it remains unclear whether the relationship is causal. We estimate causal effects of schooling on performances on the Consortium to Establish a Registry for Alzheimer's Disease (CERAD) word-recall (memory) test at older ages in China, Ghana, India, Mexico,…

Background: Executive functions (EF) impairments have long been observed in children and youths with autism spectrum disorders (ASD). Until very recently, little attention has been paid to examine EF profiles of adults with ASD. Given the importance of EF to cope with the demands of daily life and participate in society (e.g. maintaining an…

Mathematical problems can be divided into two types, namely, process-open and process-constrained problems. Solving these two types of problems may require different cognitive mechanisms. However, there has been only one study that investigated the differences of the cognitive abilities in process-open and process-constrained problem solving, and…

The purpose of this study was to examine whether components of the Planning, Attention, Simultaneous, and Successive (PASS) processing theory of intelligence predict reading and mathematics proficiency in a group of intellectually gifted children. One hundred forty-two intellectually gifted children (70 females, 72 males; M[subscript…

Fluency is an important construct in clinical assessment and in cognitive taxonomies. In the Cattell-Horn-Carroll (CHC) model, Fluency is represented by several narrow factors that form a subset of the long-term memory encoding and retrieval (Glr) broad factor. The CHC broad classification of Fluency was evaluated in five data sets, and the CHC…

Dropping out of school can involve several internal and external factors. Regarding internal factors, learning difficulties and the experience of failure could trigger the withdrawal of commitment, rejection of and resistance to school, as well as a general perception of inadequacy. Here, we show the results of a series of interventions…

Intraindividual variability (IIV) in cognitive speed, or moment-to-moment changes in ability, is a developmental phenomenon indicative of neurological integrity that increases gradually across adulthood. Past research has shown that IIV negatively covaries with cognitive performance, in which higher IIV at one occasion is associated with poorer…

The conceptualization of giftedness continues to be a widely debated topic within the field. Recently, there has been a shift from a psychometric view of giftedness to inclusion of conative and contextual factors. How one defines and conceptualizes "gifted" drives assessment and identification practices. Conceptualization also guides the…

Although the role of cognitive processes, such as planning, attention, simultaneous, and successive (PASS) processing in reading ability has been examined in samples of typically developing children and children with reading difficulties, it remains unclear if these processes also contribute to superior reading performance. Thus, in this study we…

Objectives/Background: Objectives were to (1) examine previous night's sleep in relation to next day performance on standardized academic achievement and neurocognitive assessments in adolescents, and (2) explore whether previous night's sleep is differentially associated with testing performance for adolescents with and without…