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However, if perceptual resolution of spatial cues is weak, spatially focused attention may work poorly, leading to difficulty communicating in noisy settings. In electroencephalography (EEG), the distribution of alpha (8\u201314\u2009Hz) power over parietal sensors reflects the spatial focus of attention [Banerjee, Snyder, Molholm, and Foxe (2011). J. Neurosci. 31, 9923\u20139932; Foxe and Snyder (2011). Front. Psychol. 2, 154.] If spatial attention is degraded, however, alpha may not be modulated across parietal sensors. A previously published behavioral and EEG study found that, compared to normal-hearing (NH) listeners, hearing-impaired (HI) listeners often had higher interaural time difference thresholds, worse performance when asked to report the content of an acoustic stream from a particular location, and weaker attentional modulation of neural responses evoked by sounds in a mixture [Dai, Best, and Shinn-Cunningham (2018). Proc. Natl. Acad. Sci. U. S. A. 115, E3286]. This study explored whether these same HI listeners also showed weaker alpha lateralization during the previously reported task. In NH listeners, hemispheric parietal alpha power was greater when the ipsilateral location was attended; this lateralization was stronger when competing melodies were separated by a larger spatial difference. In HI listeners, however, alpha was not lateralized across parietal sensors, consistent with a degraded ability to use spatial features to selectively attend.<\/jats:p>","DOI":"10.1121\/1.5129055","type":"journal-article","created":{"date-parts":[[2019,10,23]],"date-time":"2019-10-23T10:59:53Z","timestamp":1571828393000},"page":"2577-2589","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":16,"title":["Weak neural signatures of spatial selective auditory attention in hearing-impaired listeners"],"prefix":"10.1121","volume":"146","author":[{"given":"Lia M.","family":"Bonacci","sequence":"first","affiliation":[{"name":"Department of Biomedical Engineering, Boston University , Boston, Massachusetts 02215, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lengshi","family":"Dai","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, Boston University , Boston, Massachusetts 02215, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Barbara G.","family":"Shinn-Cunningham","sequence":"additional","affiliation":[{"name":"Department of Biomedical Engineering, Boston University , Boston, Massachusetts 02215, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"231","published-online":{"date-parts":[[2019,10,23]]},"reference":[{"issue":"5","key":"2023080509524663500_c1","doi-asserted-by":"publisher","first-page":"625","DOI":"10.1111\/1469-8986.3950625","article-title":"Effects of perceptual context on event-related brain potentials during auditory spatial attention","volume":"39","year":"2002","journal-title":"Psychophysiology"},{"issue":"27","key":"2023080509524663500_c2","doi-asserted-by":"publisher","first-page":"9923","DOI":"10.1523\/JNEUROSCI.4660-10.2011","article-title":"Oscillatory alpha-band mechanisms and the deployment of spatial attention to anticipated auditory and visual target locations: Supramodal or sensory-specific control mechanisms?","volume":"31","year":"2011","journal-title":"J. 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