Billets de Michelle Dawson
Liens cités structurés
R.S. Rosenbaum, J.G. Halilova, S. Agnihotri, M.C. D'Angelo, G. Winocur, J.D. Ryan, M. Moscovitch (2024). Dramatic changes to well-known places go unnoticed. Neuropsychologia, 196, 108818. Elsevier BV.
Résumé
How well do we know our city? It turns out, much more poorly than we might imagine. We used declarative memory and eye-tracking techniques to examine people's ability to detect modifications to real-world landmarks and scenes in Toronto locales with which they have had extensive experience. Participants were poor at identifying which scenes contained altered landmarks, whether the modification was to the landmarks' relative size, internal features, or relation to surrounding context. To determine whether an indirect measure would prove more sensitive, we tracked eye movements during viewing. Changes in overall visual exploration, but not to specific regions of change, were related to participants' explicit endorsement of scenes as modified. These results support the contention that very familiar landmarks are represented at a global or gist level, but not local or fine-grained, level. These findings offer a unified view of memory for gist across verbal and spatial domains, and across recent and remote memory, with implications for hippocampal-neocortical interactions.
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