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Original Articles

Neuroanatomical substrates involved in unrelated false facial recognition

, , , & ORCID Icon
Pages 90-98 | Received 13 Mar 2017, Published online: 22 Nov 2017
 

ABSTRACT

Identifying faces is a process central for social interaction and a relevant factor in eyewitness theory. False recognition is a critical mistake during an eyewitness’s identification scenario because it can lead to a wrongful conviction. Previous studies have described neural areas related to false facial recognition using the standard Deese/Roediger-McDermott (DRM) paradigm, triggering related false recognition. Nonetheless, misidentification of faces without trying to elicit false memories (unrelated false recognition) in a police lineup could involve different cognitive processes, and distinct neural areas. To delve into the neural circuitry of unrelated false recognition, we evaluated the memory and response confidence of participants while watching faces photographs in an fMRI task. Functional activations of unrelated false recognition were identified by contrasting the activation on this condition vs. the activations related to recognition (hits) and correct rejections. The results identified the right precentral and cingulate gyri as areas with distinctive activations during false recognition events suggesting a conflict resulting in a dysfunction during memory retrieval. High confidence suggested that about 50% of misidentifications may be related to an unconscious process. These findings add to our understanding of the construction of facial memories and its biological basis, and the fallibility of the eyewitness testimony.

Acknowledgements

This work was supported by [CONACYT] under Grant [number 220871]; [PAPIIT-UNAM] under Grant [number IN214716] to [JFR] and [CONACYT, MSci scholarship] [number 490748] to [ERG].

All authors in this manuscript declare no conflicts of interest.

We want to thank to Roderick Lindsay PhD and Andrew Smith PhD from the Department of Psychology of Queen’s University, for their rewarding discussion in the preparation of this manuscript.

Disclosure statement

No potential conflict of interest was reported by the authors.

Supplemental data

Supplemental data for this article can be accessed here.

Additional information

Funding

This work was supported by the Consejo Nacional de Ciencia y Tecnología [220871,490748];PAPIIT-UNAM [IN214716];

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