Cognitive Abilities and Testing

Bridging brain and cognition: A multilayer network analysis of brain structural covariance and general intelligence in a developmental sample of struggling learners

The paper uses network analysis to model brain structural covariance and cognitive abilities in struggling learners, finding positive correlations and intermediary roles of specific nodes.

Distinct Origins of Two-order Hierarchical Cognitive Abilities in Human Adults

This study compares the genetic and environmental origins of first-order and second-order cognitive abilities in human adults, finding that first-order abilities are heritable while second-order abilities are influenced by shared environments.

Polygenic Scores for Cognitive Abilities and their Association with Different Aspects of General Intelligence - a Deep Phenotyping Approach

This study evaluates polygenic scores for intelligence and cognitive performance in a sample of 557 adults, finding they predict different facets of intelligence with varying accuracy.

Skeletal maturity predicts cognitive abilitiesin human adolescents

This study shows that skeletal maturity, measured by bone age, predicts cognitive abilities in adolescents, with more mature individuals having higher working memory and processing speed, while older teens have better verbal abilities.

Expansion of cortical layers 2 and 3 in human left temporal cortex associates with verbal intelligence

The paper shows that expanded layers 2 and 3 in the left temporal cortex correlate with higher verbal intelligence scores and specific neuronal features.

Intelligence and academic performance: Is it all in your head?

The paper examines how IQ, academic performance, and brain connectivity relate in physics students, finding IQ increases and associations with brain connectivity, but no mediation of academic outcomes.

Cognition across the lifespan: Aging and gender differences

The paper assesses cognitive function differences across age and gender using a large sample, finding minimal gender differences but highlighting environmental influences.

Training with audio and video games improves audiospatial performance in a "cocktail-party" task: A controlled intervention study in young adults

This study shows that both audio and video game training improves audiospatial performance in a cocktail-party task, with no difference between game types.

Training-induced improvement in working memory tasks results from switching to efficient strategies

This study shows that n-back training improves working memory performance through strategy discovery, not increased capacity.

Novel age-dependent cortico-subcortical morphologic interactions predict fluid intelligence: A multi-cohort geometric deep learning study.

This study uses geometric deep learning to predict fluid intelligence from brain morphology across two cohorts, finding that amygdala, hippocampus, and specific cortical regions are key predictors.

Activity in the Fronto-Parietal Multiple-demand Network is Robustly Associated with Individual Differences in Working Memory and Fluid Intelligence

This study shows that stronger activity in the fronto-parietal multiple-demand network is positively associated with better working memory and fluid intelligence performance.

Behavioral and neural signatures of working memory in childhood

The paper links working memory performance to brain activation patterns in children using fMRI data from a large longitudinal study.

Cognitive and brain development is independently influenced by socioeconomic status and polygenic scores for educational attainment.

This study examines the independent effects of socioeconomic status and genetic factors on brain development and cognition in adolescents, finding distinct associations with cortical surface area and working memory.

Enriching hippocampal memory function in older adults through video games

This study shows that playing immersive 3D video games for 4 weeks improves hippocampal-based memory in older adults, with benefits lasting up to 4 weeks after the intervention.

Expandability differences in learning transfer between computerized and non-computerized games

This study compares cognitive transfer expandability between computerized and non-computerized games using virtual and standard Rubik's Cubes, finding greater transfer from virtual to standard cubes.

Neural Correlates of Working Memory Training: Evidence for Plasticity in Older Adults

This study shows that working memory training increases neural efficiency and shifts activation peaks towards higher loads in older adults, indicating functional plasticity.

Distinct regionalization patterns of cortical morphology are associated with cognitive performance across different domains

The paper shows that distinct cortical morphology patterns are associated with different cognitive domains in children, highlighting the importance of sociodemographic factors.

Searching for replicable associations between cortical thickness and psychometric variables in healthy adults: empirical facts.

The paper investigates the replicability of associations between cortical thickness and psychometric variables in healthy adults, finding low replicability and overestimated effect sizes.

Higher cognitive reserve is associated with better neural efficiency in the cognitive performance of young adults. An event-related potential study

This study investigates how cognitive reserve affects neural efficiency during working memory tasks and sentence processing in young adults using ERP measurements.

Neurocognitive reorganization between crystallized intelligence, fluid intelligence and white matter microstructure in two age-heterogeneous developmental cohorts

Discovering the shared biology of cognitive traits determined by genetic overlap

The paper investigates genetic and brain activation overlaps among cognitive traits, finding shared biological features between fluid intelligence and executive functioning.

Genetic \"General Intelligence,\" Objectively Determined and Measured

The paper identifies a genetic general intelligence factor (g) that explains 58.4% of the genetic variance in cognitive traits using genome-wide data from seven cognitive tests.

Are working memory training effects paradigm-specific?

This study investigates whether working memory training benefits transfer across different paradigms and finds that transfer is constrained by the training paradigm and task-specific processes.

A hierarchical watershed model of fluid intelligence in childhood and adolescence

The paper models fluid intelligence as a hierarchical system where white matter influences intermediate cognitive traits, which in turn affect fluid intelligence, showing age-related changes in the relationship.

Brain imaging correlates of general intelligence in UK Biobank

This study identifies brain structure correlates of general intelligence using UK Biobank data, finding stronger associations in older adults and specific brain regions linked to intelligence.

Non-linear effects of socioeconomic status on brain development: associations between parental occupation, cortical thickness and language skills in childhood and adolescence

The paper examines how socioeconomic status, measured by parental occupation, nonlinearly affects cortical thickness and language skills in children and adolescents.

Socioeconomic and Genomic Roots of Verbal Ability

The paper uses polygenic scores and socioeconomic data to predict verbal ability, finding that socioeconomic factors have a significant impact despite genetic contributions.

Longitudinally Mapping Childhood Socioeconomic Status Associations with Cortical and Subcortical Morphology

This study examines how childhood socioeconomic status relates to brain morphology changes from age 5 to 25, finding consistent positive associations with brain volume and specific cortical and subcortical regions.

Individual differences in cortical processing speed predict cognitive abilities: a model-based cognitive neuroscience account

The paper uses hierarchical Bayesian modeling to show that neural processing speed partially mediates the link between cognitive abilities and evidence accumulation speed, with limited predictive power from the model.

Evidence for the Scarr-Rowe effect on genetic expressivity in a large US sample.

The paper examines the Scarr-Rowe effect using the Wisconsin Longitudinal Study, finding increased genetic expressivity of polygenic scores on IQ with higher parental socioeconomic status.