Spatial Visualization Ability Mediates the Male Advantage in Spatial and Visual Episodic Memory
Abstract
Abstract. Individuals between the ages of 18 and 94 (N = 326) completed a battery of episodic memory tasks, as well as several measures of spatial visualization. A female advantage in verbal episodic memory and a male advantage in spatial and visual episodic memory were observed. Mediation analyses provided evidence that performance on spatial visualization tasks greatly influences the magnitude of the effect for sex differences among the different episodic memory constructs. In particular, the spatial visualization construct fully mediated the relationship between sex and episodic spatial memory performance. Further, when spatial visualization was included as a mediator in the model the relationship between sex and episodic verbal memory increased, and the relationship between sex and episodic visual memory reversed, such that women scored higher than men.
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