Journal
BEHAVIORAL SCIENCES
Volume 11, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/bs11050075
Keywords
individual differences; event-related potentials; featural processing; holistic processing; N170; neural adaptation
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This study utilized event-related potentials (ERPs) to investigate individual abilities in face recognition, highlighting the different contributions of holistic and featural analysis in bad and good performers. The results suggest that the N170 component can be used as a tool to differentiate face encoding processes based on individual differences.
Individual abilities in face recognition (good versus bad recognizers) were explored by means of event-related potentials (ERPs). The adaptation response profile of the N170 component to whole faces, eyes and mouths was used in order to highlight the crucial role of individual abilities in identity repetition processes for unfamiliar faces. The main point of this study is to underline the importance of characterizing the performance (bad or good) of the participants and to show that behaviorally selected groups might reveal neural differences. Good recognizers showed selective right hemisphere N170 repetition effects for whole faces and not for features. On the contrary, bad recognizers showed a general repetition effect not specifically related to faces and more pronounced processing for features. These findings suggest a different contribution of holistic and featural analysis in bad and good performers. In conclusion, we propose that the N170 might be used as a tool to tease apart face encoding processes as a function of individual differences.
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