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To test these two models, we used a mixed-block and event-related functional magnetic resonance imaging (fMRI) design in which participants responded to occasional repetitions in either sound location (\u201cwhere\u201d task) or semantic category (\u201cwhat\u201d task). The fMRI data were analyzed with the general linear model using separate regressors for representing sustained and transient activity in both listening conditions. This analysis revealed more sustained activity in right dorsal brain regions, including the IPL and superior frontal sulcus, during the location than during the category task, after accounting for transient activity related to target detection and the motor response. Conversely, we found greater sustained activity in the left superior temporal gyrus and left inferior frontal gyrus during the category task compared to the location task. Transient target-related activity in both tasks was associated with enhanced signal in the left pre- and postcentral gyrus, prefrontal cortex and bilateral IPL. These results suggest dual roles for the right IPL in auditory working memory\u2014one involved in monitoring and updating sound location independent of motor responding, and another that underlies the integration of sensory and motor functions.<\/jats:p>","DOI":"10.1162\/jocn.2008.20014","type":"journal-article","created":{"date-parts":[[2007,10,25]],"date-time":"2007-10-25T14:55:16Z","timestamp":1193324116000},"page":"285-295","update-policy":"https:\/\/2.zoppoz.workers.dev:443\/https\/doi.org\/10.1162\/mitpressjournals.corrections.policy","source":"Crossref","is-referenced-by-count":80,"title":["The Contribution of the Inferior Parietal Lobe to Auditory Spatial Working Memory"],"prefix":"10.1162","volume":"20","author":[{"given":"Claude","family":"Alain","sequence":"first","affiliation":[{"name":"1Baycrest Centre for Geriatric Care, Toronto, Ontario, Canada"},{"name":"2University of Toronto, Ontario, 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