Self-Face Identification Is Increased with Left Hand Responses

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Evidence suggests that autobiographical memory, self-related semantic category judgements, and self-identification tasks may be lateralised, with preferential activity in the right anterior temporal and prefrontal cortex. To test this hypothesis, participants (N = 10) were presented with morphed images of themselves (self) combined with a famous face. A further set of images was generated in which the face of one of the participant's co-workers (familiar) was combined with a famous face. When compared to morphed images composed of a familiar face, the participants identified images less often as being famous if the images were composed of self, but only when responding with their left hands. This greater 'self-effect' found in left-hand responses may imply that when the right hemisphere is preferentially active, participants have a tendency to refer images to self. These data provide further support for a preferential role of the right hemisphere in processing self-related material.



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