Research article summary:

The role of prefrontal cortex in verbal episodic memory: rTMS evidence.

Abstract Extract:
Long-term, episodic memory processing is supposed to involve the prefrontal cortex asymmetrically. Here we investigate the role of the dorsolateral prefrontal cortex (DLPFC) in encoding and retrieval of semantically related or unrelated word pairs. ... (Full abstract text below)

Published 2003Aug in Journal: J Cogn Neurosci (Language : eng)

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1. J Cogn Neurosci. 2003 Aug;15(6):855-61

The role of prefrontal cortex in verbal episodic memory: rTMS evidence.

Sandrini M, Cappa SF, Rossi S, Rossini PM, Miniussi C

IRCCS S. Giovanni di Dio--FBF Brescia, Italy.

Long-term, episodic memory processing is supposed to involve the prefrontal cortex asymmetrically. Here we investigate the role of the dorsolateral prefrontal cortex (DLPFC) in encoding and retrieval of semantically related or unrelated word pairs. Subjects were required to perform a task consisting of two parts: a study phase (encoding), in which word pairs were presented, and a test phase (retrieval), during which stimuli previously presented had to be recognized among other stimuli. Consistently with our previous findings using pictures, repetitive transcranial magnetic stimulation (rTMS) had a significant impact on episodic memory. The performance was significantly disrupted when rTMS was applied to the left or right DLPFC during encoding, and to the right DLPFC in retrieval, but only for unrelated word pairs. These results indicate that the nature of the material to be remembered interacts with the encoding-retrieval DLPFC asymmetry; moreover, the crucial role of DLPFC is evident only for novel stimuli.

PMID : 14511538 [PubMed - Indexed for MEDLINE]

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Full Author Information

First Name	LastName	Initials
Marco	Sandrini	M
Stefano F	Cappa	SF
Simone	Rossi	S
Paolo M	Rossini	PM
Carlo	Miniussi	C

Affiliation: IRCCS S. Giovanni di Dio--FBF Brescia, Italy.

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