Neuroanatomical substrates involved in unrelated false facial recognition
Por:
Ronzon-Gonzalez E., Hernandez-Castillo C.R., Pasaye E.H., Vaca-Palomares I., Fernandez-Ruiz J.
Publicada:
2 ene 2019
Ahead of Print:
1 ene 2017
Resumen:
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.
Filiaciones:
Ronzon-Gonzalez E.:
Instituto de Neuroetología, Universidad Veracruzana, Xalapa, Mexico
Univ Veracruzana, Inst Neuroetol, Xalapa, Veracruz, Mexico
Hernandez-Castillo C.R.:
Instituto de Neuroetología, Universidad Veracruzana, Xalapa, Mexico
CONACYT, Instituto de Neuroetología, Universidad Veracruzana, Xalapa, Mexico
Univ Veracruzana, CONACYT, Inst Neuroetol, Xalapa, Veracruz, Mexico
Pasaye E.H.:
Unidad de Resonancia Magnetica, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
Univ Nacl Autonoma Mexico, Unidad Resonancia Magnet, Inst Neurobiol, Mexico City, DF, Mexico
Vaca-Palomares I.:
Facultad de Psicología, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
Univ Nacl Autonoma Mexico, Fac Psicol, Mexico City, DF, Mexico
Fernandez-Ruiz J.:
Facultad de Psicología, Universidad Veracruzana, Xalapa, Mexico
Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
Univ Veracruzana, Fac Psicol, Xalapa, Veracruz, Mexico
Univ Nacl Autonoma Mexico, Dept Fisiol, Fac Med, Mexico City 04510, DF, Mexico
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