Cortical activation during sequences of memory-guided saccades: a functional MRI study

Baumann, Oliver and Frank, Gabriele and Rutschmann, Roland M. and Greenlee, Mark W. (2007) Cortical activation during sequences of memory-guided saccades: a functional MRI study. NEUROREPORT, 18 (5). pp. 451-455. ISSN 0959-4965, 1473-558X

Full text not available from this repository. (Request a copy)

Abstract

Blood oxygenation-level dependent changes in the cerebral cortex were measured using event-related functional magnetic resonance imaging in participants while they performed triple-step memory-guided saccades. To explore the role of clorsolateral prefrontal cortex in the manipulation of the contents of working memory, the sequence of saccade targets in the memory-guided task was either constant or was manipulated using coloured cues. The clorsolateral prefrontal cortex was significantly activated only during the period when participants had to reorder the locations of the saccade targets and not during the maintenance of spatial locations. This finding suggests that dorsolateral prefrontal cortex is primarily involved in the manipulation, and to a lesser extent, in the maintenance of the contents of working memory.

Item Type: Article
Uncontrolled Keywords: DORSOLATERAL PREFRONTAL CORTEX; EVENT-RELATED FMRI; WORKING-MEMORY; SPACE; brain imaging; dorsolateral prefrontal cortex; functional magnetic resonance imaging; oculomotor control; saccade sequences working memory
Subjects: 100 Philosophy & psychology > 150 Psychology
Divisions: Human Sciences > Institut für Psychologie > Lehrstuhl für Psychologie I (Allgemeine Psychologie I und Methodenlehre) - Prof. Dr. Mark W. Greenlee
Depositing User: Dr. Gernot Deinzer
Date Deposited: 21 Dec 2020 07:44
Last Modified: 21 Dec 2020 07:44
URI: https://pred.uni-regensburg.de/id/eprint/33024

Actions (login required)

View Item View Item