Billets de Michelle Dawson
Liens cités structurés
Mariano Furman, Pablo Fleitas-Rumak, Pilar Lopez-Segura, Martín Furman, Gustavo Tafet, Gabriel A. de Erausquin, Tomás Ortiz (2022). Cortical activity involved in perception and imagery of visual stimuli in a subject with aphantasia. An EEG case report. Neurocase, 28(4), 344-355. Informa UK Limited.
Résumé
Aphantasia has been described as the inability to voluntarily evoke mental images using the "mind's eye." We studied a congenital aphantasic subject using neuropsychological testsand 64 channel EEG recordings, in order to studycortical activity involved in perception and imagery evaluating event-related potentials(N170, P200, N250). The subject is in the normal range of the neuropsychological tests performed, except for specific imagery tests. The EEG results show that when he evokes the same mental image, he starts the evoking process from left temporal instead of frontal areas, he does not activate occipital visual nor left anterior parietal areas.
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