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While cognitive limits of VWM greatly influence a variety of mental operations, it remains controversial whether the quantity or quality of representations in mind constrains VWM. Here, we examined behavior-to-brain anatomical relations as well as brain activity to brain anatomy associations with a \u201cneural\u201d marker specific to the retention interval of VWM. Our results consistently indicated that individuals who maintained a larger number of items in VWM tended to have a larger gray matter (GM) volume in their left lateral occipital region. In contrast, individuals with a superior ability to retain with high precision tended to have a larger GM volume in their right parietal lobe. These results indicate that individual differences in quantity and quality of VWM may be associated with regional GM volumes in a dissociable manner, indicating willful integration of information in VWM may recruit separable cortical subsystems.<\/jats:p>","DOI":"10.1093\/cercor\/bhaa046","type":"journal-article","created":{"date-parts":[[2020,2,6]],"date-time":"2020-02-06T12:09:59Z","timestamp":1580990999000},"page":"4759-4770","source":"Crossref","is-referenced-by-count":11,"title":["Gray Matter Volume in Different Cortical Structures Dissociably Relates to Individual Differences in Capacity and Precision of Visual Working Memory"],"prefix":"10.1093","volume":"30","author":[{"given":"Maro G","family":"Machizawa","sequence":"first","affiliation":[{"name":"Center for Brain, Mind, and KANSEI Sciences Research, Hiroshima University, Hiroshima, 734-8551 Japan"},{"name":"Institute of Cognitive Neuroscience and Institute of Neurology, University College London WC1N 3AZ, London, UK"},{"name":"Department of Cognitive, Linguistic and Psychological Sciences, Brown University, Providence, RI 02912, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jon","family":"Driver","sequence":"additional","affiliation":[{"name":"Institute of Cognitive Neuroscience and Institute of Neurology, University College London WC1N 3AZ, London, UK"},{"name":"Wellcome Trust Center for Neuroimaging, University College London WC1N 3BG, London, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takeo","family":"Watanabe","sequence":"additional","affiliation":[{"name":"Department of Cognitive, Linguistic and Psychological Sciences, Brown University, Providence, RI 02912, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2020,4,18]]},"reference":[{"key":"2020073006170811800_ref1","doi-asserted-by":"crossref","first-page":"637","DOI":"10.1111\/j.1467-9280.2005.01587.x","article-title":"Independent 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