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Title: Cognitive styles and 2D:4D finger digit ratio in Asian males: Performance on visuospatial judgement and facial emotion recognition reaction timed tasks
Keywords: spatial social cognition systemizing empathizing 2D:4D
Issue Date: 9-Jan-2012
Citation: TAY KAY CHAI (2012-01-09). Cognitive styles and 2D:4D finger digit ratio in Asian males: Performance on visuospatial judgement and facial emotion recognition reaction timed tasks. ScholarBank@NUS Repository.
Abstract: The cognitive style `systemizing¿ describes an individual¿s proclivity to understand rules and systems while `empathizing¿ describes an individual¿s motivation to identify and respond appropriately to others¿ emotions and thoughts. The second to fourth (2D:4D) finger digit ratio is indicative of the level of prenatal testosterone. Both these factors have been shown to be sexually dimorphic in the area of spatial and social cognition. However, extant studies demonstrate an overemphasis on clinical population; little information pertaining to the comparison between spatial and social cognitive performance; show inconsistent findings for functional asymmetry in spatial and social cognition; and have a lack of investigation on the speed of processing in spatial and social cognition. The present study adopted the spatial cognitive task ¿ Spatial Categorization/Coordinate task of Kosslyn and colleagues (1989) and derived a novel social cognitive task ¿ Facial Emotion Recognition task, that mirrors the presentation of the spatial task to examine the cognitive performance in the two hemispheres in a group of Asian men, based on their cognitive styles and 2D:4D finger digit ratio. The results indicated that cognitive style is predictive of facial emotion recognition and spatial categorization task but not for spatial coordinate task. No association was observed between the 2D:4D finger digit ratio with both the spatial and social cognitive tasks. On the other hand, the effect of functional asymmetry was observed for all the tasks. Apart from supporting the notion that the left and right hemispheric biases for verbal and spatial cognitive abilities respectively is oversimplified, the current study demonstrated some evidence for the precedence of functional asymmetry over cognitive styles and 2D:4D finger digit ratio for both spatial and social cognition.
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