{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,6]],"date-time":"2025-11-06T20:02:46Z","timestamp":1762459366252},"reference-count":58,"publisher":"MIT Press","issue":"3","content-domain":{"domain":["direct.mit.edu"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2016,3,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Recent findings suggest that a salient, irrelevant sound attracts attention to its location involuntarily and facilitates processing of a colocalized visual event [McDonald, J. J., St\u00f6rmer, V. S., Martinez, A., Feng, W. F., &amp; Hillyard, S. A. Salient sounds activate human visual cortex automatically. Journal of Neuroscience, 33, 9194\u20139201, 2013]. Associated with this cross-modal facilitation is a sound-evoked slow potential over the contralateral visual cortex termed the auditory-evoked contralateral occipital positivity (ACOP). Here, we further tested the hypothesis that a salient sound captures visual attention involuntarily by examining sound-evoked modulations of the occipital alpha rhythm, which has been strongly associated with visual attention. In two purely auditory experiments, lateralized irrelevant sounds triggered a bilateral desynchronization of occipital alpha-band activity (10\u201314 Hz) that was more pronounced in the hemisphere contralateral to the sound's location. The timing of the contralateral alpha-band desynchronization overlapped with that of the ACOP (\u223c240\u2013400 msec), and both measures of neural activity were estimated to arise from neural generators in the ventral-occipital cortex. The magnitude of the lateralized alpha desynchronization was correlated with ACOP amplitude on a trial-by-trial basis and between participants, suggesting that they arise from or are dependent on a common neural mechanism. These results support the hypothesis that the sound-induced alpha desynchronization and ACOP both reflect the involuntary cross-modal orienting of spatial attention to the sound's location.<\/jats:p>","DOI":"10.1162\/jocn_a_00915","type":"journal-article","created":{"date-parts":[[2015,12,22]],"date-time":"2015-12-22T16:20:51Z","timestamp":1450801251000},"page":"433-445","update-policy":"http:\/\/dx.doi.org\/10.1162\/mitpressjournals.corrections.policy","source":"Crossref","is-referenced-by-count":35,"title":["Salient, Irrelevant Sounds Reflexively Induce Alpha Rhythm Desynchronization in Parallel with Slow Potential Shifts in Visual Cortex"],"prefix":"10.1162","volume":"28","author":[{"given":"Viola S.","family":"St\u00f6rmer","sequence":"first","affiliation":[{"name":"1Harvard University"}]},{"given":"Wenfeng","family":"Feng","sequence":"additional","affiliation":[{"name":"2SooChow University, China"}]},{"given":"Antigona","family":"Martinez","sequence":"additional","affiliation":[{"name":"3University of California at San Diego"},{"name":"4Nathan Kline Institute for Psychiatric Research, Orangeburg, NY"}]},{"given":"John J.","family":"McDonald","sequence":"additional","affiliation":[{"name":"5Simon Fraser University"}]},{"given":"Steven A.","family":"Hillyard","sequence":"additional","affiliation":[{"name":"3University of California at San Diego"}]}],"member":"281","published-online":{"date-parts":[[2016,3,1]]},"reference":[{"key":"2021073021002385400_R1","doi-asserted-by":"crossref","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","author":"Banerjee","year":"2011","journal-title":"Journal of 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