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Neurons in one part of the <jats:styled-content style=\"fixed-case\">PPC<\/jats:styled-content>, the lateral intraparietal area (<jats:styled-content style=\"fixed-case\">LIP<\/jats:styled-content>), show enhanced responses to objects at attended locations. Although many are selective for object features, such as the orientation of a visual stimulus, it is not clear how <jats:styled-content style=\"fixed-case\">LIP<\/jats:styled-content> circuits integrate feature\u2010selective information when providing attentional feedback about behaviorally relevant locations to the visual cortex. We studied the relationship between object feature and spatial attention properties of <jats:styled-content style=\"fixed-case\">LIP<\/jats:styled-content> cells in two macaques by measuring the cells' orientation selectivity and the degree of attentional enhancement while performing a delayed match\u2010to\u2010sample task. Monkeys had to match both the location and orientation of two visual gratings presented separately in time. We found a wide range in orientation selectivity and degree of attentional enhancement among <jats:styled-content style=\"fixed-case\">LIP<\/jats:styled-content> neurons. However, cells with significant attentional enhancement had much less orientation selectivity in their response than cells which showed no significant modulation by attention. Additionally, orientation\u2010selective cells showed working memory activity for their preferred orientation, whereas cells showing attentional enhancement also synchronized with local neuronal activity. These results are consistent with models of selective attention incorporating two stages, where an initial feature\u2010selective process guides a second stage of focal spatial attention. We suggest that <jats:styled-content style=\"fixed-case\">LIP<\/jats:styled-content> contributes to both stages, where the first stage involves orientation\u2010selective <jats:styled-content style=\"fixed-case\">LIP<\/jats:styled-content> cells that support working memory of the relevant feature, and the second stage involves attention\u2010enhanced <jats:styled-content style=\"fixed-case\">LIP<\/jats:styled-content> cells that synchronize to provide feedback on spatial priorities.<\/jats:p>","DOI":"10.14814\/phy2.13136","type":"journal-article","created":{"date-parts":[[2017,3,8]],"date-time":"2017-03-08T01:10:26Z","timestamp":1488935426000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Coding of spatial attention priorities and object features in the macaque lateral intraparietal cortex"],"prefix":"10.14814","volume":"5","author":[{"given":"Ekaterina","family":"Levichkina","sequence":"first","affiliation":[{"name":"Department of Optometry &amp; Vision Sciences University of Melbourne Melbourne Australia"},{"name":"Institute for Information Transmission Problems RAS Moscow Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuri B.","family":"Saalmann","sequence":"additional","affiliation":[{"name":"Department of Optometry &amp; Vision Sciences University of Melbourne Melbourne Australia"},{"name":"Department of Psychology University of Wisconsin \u2010 Madison Madison Wisconsin"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Trichur R.","family":"Vidyasagar","sequence":"additional","affiliation":[{"name":"Department of Optometry &amp; Vision Sciences University of Melbourne Melbourne Australia"},{"name":"Melbourne Neuroscience Institute University of Melbourne Australia"},{"name":"Department of Anatomy &amp; Neuroscience University of Melbourne Melbourne Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,3,7]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.neuro.25.112701.142922"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/ejn.12427"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.0243-09.2009"},{"key":"e_1_2_7_5_1","doi-asserted-by":"crossref","first-page":"1293","DOI":"10.1016\/S0042-6989(00)00029-8","article-title":"Feature\u2010based integration of orientation signals in visual search","volume":"40","author":"Baldassi S.","year":"2000","journal-title":"Vision. 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