... 2006). Kosslyn and Rosenberg define emotion as 'a positive or negative reaction to a perceived or remembered object, event, or circumstance, accompanied by a subjective feeling (2004, p.390). These two terms relate closely to the research study. There has been an endless amount of research conducted on facial expression on different sides of the face. Over the years, interest has been shown towards the different aspects of functional asymmetries in the human brain. It has been suggested that emotional processes are controlled asymmetrically by the right and left brain hemispheres. Research done into emotion based on neurological factors has also used facial expressions of emotion to help the understanding of asymmetrical dominance in emotional processes. The interest in some of the research done into facial expressions is partly due to the fact that the right and left facial muscles are stimulated differently by the two hemispheres (Kosslyn and Rosenberg, 2004). Results from ...

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