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Current theories posit that reflective attention to memory representations generally involves a fronto-parietal attentional control network. The present study aimed to test this idea by manipulating how a particular short-term memory (STM) representation is accessed, that is, based on its input sensory modality or semantic category, during functional magnetic resonance imaging (fMRI). Human participants performed a novel variant of the retro-cue paradigm, in which they were presented with both auditory and visual non-verbal stimuli followed by Modality, Semantic, or Uninformative retro-cues. Modality and, to a lesser extent, Semantic retro-cues facilitated response time relative to Uninformative retro-cues. The univariate and multivariate pattern analyses (MVPAs) of fMRI time-series revealed three key findings. First, the posterior parietal cortex (PPC), including portions of the intraparietal sulcus (IPS) and ventral angular gyrus (AG), had activation patterns that spatially overlapped for both modality-based and semantic-based reflective attention. Second, considering both the univariate and multivariate analyses, Semantic retro-cues were associated with a left-lateralized fronto-parietal network. Finally, the experimental design enabled us to examine how dividing attention cross-modally within STM modulates the brain regions involved in reflective attention. This analysis revealed that univariate activation within bilateral portions of the PPC increased when participants simultaneously attended both auditory and visual memory representations. Therefore, prefrontal and parietal regions are flexibly recruited during reflective attention, depending on the representational feature used to selectively access STM representations.<\/jats:p>","DOI":"10.1523\/eneuro.0018-20.2020","type":"journal-article","created":{"date-parts":[[2020,11,2]],"date-time":"2020-11-02T22:55:13Z","timestamp":1604357713000},"page":"ENEURO.0018-20.2020","source":"Crossref","is-referenced-by-count":5,"title":["Orienting Attention to Short-Term Memory Representations via Sensory Modality and Semantic Category Retro-Cues"],"prefix":"10.1523","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6672-7777","authenticated-orcid":false,"given":"Kristina C.","family":"Backer","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1108-4866","authenticated-orcid":false,"given":"Bradley R.","family":"Buchsbaum","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4459-1538","authenticated-orcid":false,"given":"Claude","family":"Alain","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"393","published-online":{"date-parts":[[2020,11,2]]},"reference":[{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.1","doi-asserted-by":"publisher","DOI":"10.1214\/09-AOAS277"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.2","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2010.09.025"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.3","doi-asserted-by":"publisher","DOI":"10.1007\/s00426-013-0531-7"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.4","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.1487-14.2015"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.5","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuropsychologia.2007.06.015"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.6","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2007.04.042"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.7","doi-asserted-by":"publisher","DOI":"10.1162\/089892999563265"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.8","doi-asserted-by":"publisher","DOI":"10.1093\/cercor\/bhp055"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.9","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2004.08.025"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.10","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuron.2011.10.026"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.11","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuropsychologia.2008.03.022"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.12","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuropsychologia.2011.01.035"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.13","doi-asserted-by":"publisher","DOI":"10.1006\/cbmr.1996.0014"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.14","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuroimage.2006.08.017"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.15","doi-asserted-by":"publisher","DOI":"10.1162\/089892903321107837"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.16","doi-asserted-by":"publisher","DOI":"10.1016\/S0896-6273(02)00858-9"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.17","doi-asserted-by":"publisher","DOI":"10.1002\/(SICI)1097-0193(1997)5:2<79::AID-HBM1>3.0.CO;2-J"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.18","doi-asserted-by":"publisher","DOI":"10.1002\/hbm.460010207"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.19","doi-asserted-by":"publisher","DOI":"10.1016\/j.tics.2011.11.014"},{"key":"2023041302152035000_7.6.ENEURO.0018-20.2020.20","doi-asserted-by":"crossref","unstructured":"Gorgolewski KJ , Varoquaux G , Rivera G , Schwartz Y , Ghosh SS , Maumet C , Sochat VV , Nichols TE , Poldrack RA , Poline J-B , Yarkoni T , Margulies DS (2015) NeuroVault.org: a web-based repository for collecting and sharing unthresholded statistical maps of the brain. 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