Explorations of object and location memory using fMRI.
Explorations of object and location memory using fMRI.
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DOI:
10.3389/fnbeh.2013.00105
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发表时间:
2013
影响因子:
3
通讯作者:
Wright AA
中科院分区:
文献类型:
--
作者:
Passaro AD;Elmore LC;Ellmore TM;Leising KJ;Papanicolaou AC;Wright AA
Content-specific sub-systems of visual working memory (VWM) have been explored in many neuroimaging studies with inconsistent findings and procedures across experiments. The present study employed functional magnetic resonance imaging (fMRI) and a change detection task using a high number of trials and matched stimulus displays across object and location change (what vs. where) conditions. Furthermore, individual task periods were studied independently across conditions to identify differences corresponding to each task period. Importantly, this combination of task controls has not previously been described in the fMRI literature. Composite results revealed differential frontoparietal activation during each task period. A separation of object and location conditions yielded a distributed system of dorsal and ventral streams during the encoding of information corresponding to bilateral inferior parietal lobule (IPL) and lingual gyrus activation, respectively. Differential activity was also shown during the maintenance of information in middle frontal structures bilaterally for objects and the right IPL and left insula for locations. Together, these results reflect a domain-specific dissociation spanning several cortices and task periods. Furthermore, differential activations suggest a general caudal-rostral separation corresponding to object and location memory, respectively.
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影响因子:
2
作者:
Bellgowan, Patrick S. F.;Buffalo, Elizabeth A.;Martin, Alex
通讯作者:
Martin, Alex
DOI:
10.1523/jneurosci.1776-08.2008
发表时间:
2008-10-01
期刊:
The Journal of neuroscience : the official journal of the Society for Neuroscience
影响因子:
--
作者:
Bressler SL;Tang W;Sylvester CM;Shulman GL;Corbetta M
通讯作者:
Corbetta M
影响因子:
5.7
作者:
Brown JW
通讯作者:
Brown JW
影响因子:
56.9
作者:
Courtney, SM;Petit, L;Haxby, JV
通讯作者:
Haxby, JV
影响因子:
2.7
作者:
Borowsky, R;Loehr, J;Sarty, G
通讯作者:
Sarty, G