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Cognitive Trends Across Generations
Cognitive Aging and Decline

Generational Shifts in Cognitive Health

Hui Zheng’s study offers an in-depth analysis of cognitive functioning trends across generations, highlighting notable improvements and subsequent declines in specific cohorts. This research provides critical data for understanding the factors influencing cognitive health over time and their broader implications for aging populations. Background The research examines cognitive performance trends …

IQ Malleability: The Role of Epigenetics and Dopamine D2 Receptor
Genetics and Cognitive Abilities

Epigenetic Influence on IQ Malleability: Insights from the IMAGEN Project

The study by Kaminski et al. (2018) investigates the intricate relationships between genetic, epigenetic, and neurobiological factors that contribute to variability in general intelligence (gIQ). By focusing on dopamine D2 receptor (DRD2) gene modification, gray matter density, and striatal functional activation, the research sheds light on the complex interplay influencing …

Dissecting Cognition: Spatial vs. Abstract Reasoning
Cognitive Abilities and Intelligence

Dissecting Cognition: Spatial vs. Abstract Reasoning

Research into cognitive testing often aims to clarify the underlying structures of intelligence. This study analyzed data from the Jouve Cerebrals Test of Induction (JCTI) and the General Ability Measure for Adults (GAMA) to identify two distinct factors influencing reasoning abilities: spatial-temporal reasoning and abstract reasoning. Using data from 118 …