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Facial expression at retrieval affects recognition of facial identity.

Chen, W., Liu, C., Liang, H., Tong, K, Ren, N. and Fu, X., 2015. Facial expression at retrieval affects recognition of facial identity. Frontiers in Psychology, 6, 780.

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Facial expression at retrieval affects recognition of facial identity.pdf - Published Version
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DOI: 10.3389/fpsyg.2015.00780


It is well known that memory can be modulated by emotional stimuli at the time of encoding and consolidation. For example, happy faces create better identity recognition than faces with certain other expressions. However, the influence of facial expression at the time of retrieval remains unknown in the literature. To separate the potential influence of expression at retrieval from its effects at earlier stages, we had participants learn neutral faces but manipulated facial expression at the time of memory retrieval in a standard old/new recognition task. The results showed a clear effect of facial expression, where happy test faces were identified more successfully than angry test faces. This effect is unlikely due to greater image similarity between the neural training face and the happy test face, because image analysis showed that the happy test faces are in fact less similar to the neutral training faces relative to the angry test faces. In the second experiment, we investigated whether this emotional effect is affected by the expression at the time of learning. We employed angry or happy faces as learning stimuli, and angry, happy, and neutral faces as test stimuli. The results showed that the emotional effect at retrieval is robust across different encoding conditions with happy or angry expressions. These findings indicate that emotional expressions do not only affect the stages of encoding and consolidation, but also the retrieval process in identity recognition.

Item Type:Article
Uncontrolled Keywords:facial expression; identity recognition; emotional cue; memory retrieval
Group:Faculty of Science & Technology
ID Code:23996
Deposited By: Symplectic RT2
Deposited On:17 Jun 2016 13:47
Last Modified:14 Mar 2022 13:56


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