Cognitive Abilities and Testing

A Scalable Touchscreen-Based Spatial Working Memory Task for Cross-Species Research

This paper introduces a touchscreen-based spatial working memory task for marmosets and humans, showing that accuracy declines with longer delays and smaller spatial separations, and that these factors interact.

Feature-specific environmental contributions to human cortical architecture revealed by twin brainprints

This study identifies how different environmental factors affect cortical architecture in twins, showing persistent early life effects and training-induced changes in adulthood.

Charting the cognitive development of children using adult 'polygenic g scores'

This study uses adult polygenic g scores to track cognitive development in 10,000 children, showing increasing predictive power over time.

Human intelligence relates to neural measures of cognitive map formation

The paper links fluid intelligence to neural mechanisms of cognitive map formation using fMRI and cognitive tests, showing a correlation between gf and map-like encoding of object positions.

Neural correlates differ between crystallized and fluid intelligence in adolescents

This study identifies distinct neural and molecular correlates of fluid and crystallized intelligence in adolescents using neuroimaging and transcriptomic data from the ABCD cohort.

Cleaner wrasse failed in early testing stages of both visual and spatial Working Memory paradigms

The paper tests working memory in cleaner wrasse and finds negative results, challenging previous positive findings in other fish species.

A tale of two n-backs: Diverging associations of dorsolateral prefrontal cortex activation with n-back task performance

This study compares activation-performance relationships in two n-back working memory tasks across datasets, finding diverging associations in specific brain regions.

GABA-ergic inhibition in human hMT+ predicts visuo-spatial intelligence mediated through the frontal cortex

This study shows that GABA levels in hMT+ and frontal-hMT+ connectivity correlate with visuo-spatial intelligence, with frontal connectivity mediating the effect of hMT+ GABA.

Linking cognitive integrity to working memory dynamics in the aging human brain

This study examines working memory dynamics in older adults and MCI patients, finding age-related declines in memory quality and links to cognitive integrity.

Baseline Pupil Size Seems Unrelated to Fluid Intelligence, Working Memory Capacity, and Attentional Control

This study investigates the relationship between resting-state pupil size and cognitive abilities, finding no significant associations after controlling for confounding variables.

Decoding the content of working memory in school-aged children

This study uses multivariate pattern analysis on EEG data from children to decode the content of working memory during a computerized task, showing reliable decoding of information categories across ages.

Hippocampal subfield volumes contribute to working memory interference control in aging: Evidence from longitudinal associations over 5 years

This study examines how hippocampal subfield volumes relate to working memory interference control over 5 years, finding reduced subiculum volume linked to impaired proactive interference control, especially in older adults.

Visual orientation discrimination skills are tightly linked with specific aspects of human intelligence

The paper links visual orientation discrimination skills with specific cognitive abilities measured by IQ tests in humans.

Aging Decreases the Precision of Visual Working Memory

This study shows that aging reduces the precision of visual working memory, with increased error variability but no change in random response probability.

Structural brain correlates of non-verbal cognitive ability in 5-year-old children: findings from the FinnBrain Birth Cohort study

Adaptive Encoding Speed in Working Memory

This study shows that young adults can adapt their encoding speed in working memory based on expected time constraints, but cannot use explicit cues to do so.

Gene-experience correlation during cognitive development: Evidence from the Adolescent Brain Cognitive Development (ABCD) StudySM

The paper examines gene-experience correlations in cognitive development using ABCD Study data, finding stronger genetic associations with crystallized intelligence measures and significant mediation by recreational reading.

Structural architecture and brain network efficiency links polygenic scores to intelligence

This study links polygenic scores for intelligence and educational attainment to brain structure and network efficiency, showing mediation through fiber connectivity and parieto-frontal surface area.

Cortical thickness, gray matter volume and cognitive performance: a cross-sectional study of the moderating effects of age on their inter-relationships

This study examines how age moderates the relationships between cortical thickness, gray matter volume, and cognitive performance in adults.

Intelligence and Visual Mismatch Negativity: Is Pre-Attentive Visual Discrimination Related to General Cognitive Ability?

This study investigates the relationship between intelligence and visual mismatch negativity (vMMN) and finds no significant association between vMMN amplitudes or latencies and intelligence scores.

Neural contributions to reduced fluid intelligence across the adult lifespan

This paper investigates how age-related changes in frontoparietal brain activity mediate declines in fluid intelligence and identifies physical activity variety as a potential modifiable factor.

Brain Volumes, Thicknesses, and Surface Areas as Mediators of Genetic Factors and Childhood Adversity on Intelligence

The paper examines how brain volumes, thicknesses, and surface areas mediate genetic and environmental effects on intelligence using UK Biobank data.

The genetics of specific cognitive abilities

This paper reviews twin studies on heritability of specific cognitive abilities, finding substantial heritability similar to general intelligence, and suggests future genomic research to predict these traits independently of general intelligence.

Graph lesion-deficit mapping of fluid intelligence

This study uses lesion-deficit mapping to identify the neural substrates of fluid intelligence, finding that right frontal regions, not distributed networks, are critical.

Brain aging differs with cognitive ability regardless of education

The paper investigates how general cognitive ability relates to cortical brain volume changes over time, finding associations with both brain reserve and maintenance mechanisms.

Educational Attainment Polygenic Scores, Socioeconomic Factors, and Cortical Structure in Children and Adolescents

This study examines the independent associations of educational attainment polygenic scores and parental education with cortical structure and neurocognitive skills in children and adolescents.

Human brain anatomy reflects separable genetic and environmental components of socioeconomic status

The paper examines how socioeconomic status (SES) influences brain anatomy, identifying both genetic and environmental contributions to grey matter volume across different brain regions.

On the prediction of human intelligence from neuroimaging: A systematic review of methods and reporting

This paper reviews methods for predicting human intelligence from neuroimaging data, finding differences in performance between general and fluid intelligence predictions.

Sulcal depth in prefrontal cortex: A novel predictor of working memory performance

The paper identifies sulcal depth in lateral prefrontal cortex as a predictor of verbal working memory performance in children and adolescents.

Intra-individual variability in task performance after cognitive training is associated with long-term outcomes in children

This study shows that reduced intra-individual variability in response times after working memory training in children is linked to better academic and mental health outcomes months later.