The posterior medial cortex is involved in visual but not in verbal memory encoding processing: an intracerebral recording study

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Publikace nespadá pod Ekonomicko-správní fakultu, ale pod Středoevropský technologický institut. Oficiální stránka publikace je na webu muni.cz.
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ŠTILLOVÁ Klára JURÁK P. CHLÁDEK J. HALÁMEK J. TELECKÁ Sabina REKTOR Ivan

Rok publikování 2013
Druh Článek v odborném periodiku
Časopis / Zdroj Journal of Neural Transmission
Fakulta / Pracoviště MU

Středoevropský technologický institut

Citace
www http://www.ncbi.nlm.nih.gov/pubmed/22968598
Doi http://dx.doi.org/10.1007/s00702-012-0890-z
Obor Neurologie, neurochirurgie, neurovědy
Klíčová slova Event-related potential (ERP); Memory; Posterior medial cortex (PMC); SEEG
Popis The objective is to study the involvement of the posterior medial cortex (PMC) in encoding and retrieval by visual and auditory memory processing. Intracerebral recordings were studied in two epilepsy-surgery candidates with depth electrodes implanted in the retrosplenial cingulate, precuneus, cuneus, lingual gyrus and hippocampus. We recorded the event-related potentials (ERP) evoked by visual and auditory memory encoding-retrieval tasks. In the hippocampus, ERP were elicited in the encoding and retrieval phases in the two modalities. In the PMC, ERP were recorded in both the encoding and the retrieval visual tasks; in the auditory modality, they were recorded in the retrieval task, but not in the encoding task. In conclusion, the PMC is modality dependent in memory processing. ERP is elicited by memory retrieval, but it is not elicited by auditory encoding memory processing in the PMC. The PMC appears to be involved not only in higher-order top-down cognitive activities but also in more basic, rather than bottom-up activities.
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