ArticlePloS one2014
Neural substrate of initiation of cross-modal working memory retrieval.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- The neural representations underlying asymmetric cross-modal prediction of words.Human brain mapping · 2023Article
- Diversity and Function of Somatostatin-Expressing Interneurons in the Cerebral Cortex.International journal of molecular sciences · 2019Review
- Neural Correlates of Feedback Processing in Visuo-Tactile Crossmodal Paired-Associate Learning.Frontiers in human neuroscience · 2018Article
- Prefrontal neuronal responses during audiovisual mnemonic processing.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2015Article
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Authors and funding
6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Cross-modal working memory requires integrating stimuli from different modalities and it is associated with co-activation of distributed networks in the brain. However, how brain initiates cross-modal working memory retrieval remains not clear yet. In the present study, we developed a cued matching task, in which the necessity for cross-modal/unimodal memory retrieval and its initiation time were controlled by a task cue appeared in the delay period. Using functional magnetic resonance imaging (fMRI), significantly larger brain activations were observed in the left lateral prefrontal cortex (l-LPFC), left superior parietal lobe (l-SPL), and thalamus in the cued cross-modal matching trials (CCMT) compared to those in the cued unimodal matching trials (CUMT). However, no significant differences in the brain activations prior to task cue were observed for sensory stimulation in the l-LPFC and l-SPL areas. Although thalamus displayed differential responses to the sensory stimulation between two conditions, the differential responses were not the same with responses to the task cues. These results revealed that the frontoparietal-thalamus network participated in the initiation of cross-modal working memory retrieval. Secondly, the l-SPL and thalamus showed differential activations between maintenance and working memory retrieval, which might be associated with the enhanced demand for cognitive resources.
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