Semantic acquisition without memories: evidence from transient global amnesia.

Abstract:

:Transient global amnesia (TGA), characterised by a profound anterograde amnesia, is a model of interest to study the acquisition of novel meanings independent of episodic functioning. Three patients were tested during a TGA attack, two in the early recovery phase and the third during the acute phase of TGA, with a semantic priming task involving a restructuring process of conceptual knowledge. During TGA, all patients demonstrated priming effects. Results obtained the day after the episode with the same task showed that these effects persisted at least one day. Episodic memory seems not to be critical for the formation of novel connections among unrelated semantic representations, in accordance with Tulving's model of memory, i.e. episodic memory is not necessary for the acquisition of semantic information.

journal_name

Neuroreport

journal_title

Neuroreport

authors

Guillery B,Desgranges B,Katis S,de la Sayette V,Viader F,Eustache F

doi

10.1097/00001756-200112040-00052

subject

Has Abstract

pub_date

2001-12-04 00:00:00

pages

3865-9

issue

17

eissn

0959-4965

issn

1473-558X

journal_volume

12

pub_type

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