Abstract
AbstractThe complex human environment results in a hard-to-bridge gap between human and animal studies on general cognitive abilities (g; colloquially often referred to as “intelligence”). Pet dogs are adapted to our environment, but a convincing demonstration ofgis missing. Exploratory and confirmatory factor analyses on seven tasks revealed a hierarchical structure with two cognitive domains (problem solving, learning) and an overarchingcanine g. Age did not affect the structure.Canine gwas negatively linked to age, height, and the owner’s emotional attitude but positively to training level, activity/excitability trait, experienced trauma and normal body condition. The longitudinal analyses over three years differentiated three main trajectory clusters: declining, stable, improving. The diversity of ageing phenotypes supports dogs’ translational value ingfactor and ageing research.One-Sentence SummaryThecanine gfactor is linked to age, height, training level, personality, body condition, and owner’s attitude.
Publisher
Cold Spring Harbor Laboratory
Cited by
1 articles.
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