Eye Gaze Behavior at Turn Transition: How Aphasic Patients Process Speakers' Turns during Video Observation
The human turn-taking system regulates the smooth and precise exchange of speaking turns during face-to-face interaction. Recent studies investigated the processing of ongoing turns during conversation by measuring the eye movements of noninvolved observers. The findings suggest that humans shift th...
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creator | Preisig, Basil C. Eggenberger, Noëmi Zito, Giuseppe Vanbellingen, Tim Schumacher, Rahel Hopfner, Simone Gutbrod, Klemens Nyffeler, Thomas Cazzoli, Dario Annoni, Jean-Marie Bohlhalter, Stephan Müri, René M. |
description | The human turn-taking system regulates the smooth and precise exchange of speaking turns during face-to-face interaction. Recent studies investigated the processing of ongoing turns during conversation by measuring the eye movements of noninvolved observers. The findings suggest that humans shift their gaze in anticipation to the next speaker before the start of the next turn. Moreover, there is evidence that the ability to timely detect turn transitions mainly relies on the lexico-syntactic content provided by the conversation. Consequently, patients with aphasia, who often experience deficits in both semantic and syntactic processing, might encounter difficulties to detect and timely shift their gaze at turn transitions. To test this assumption, we presented video vignettes of natural conversations to aphasic patients and healthy controls, while their eye movements were measured. The frequency and latency of event-related gaze shifts, with respect to the end of the current turn in the videos, were compared between the two groups. Our results suggest that, compared with healthy controls, aphasic patients have a reduced probability to shift their gaze at turn transitions but do not show significantly increased gaze shift latencies. In healthy controls, but not in aphasic patients, the probability to shift the gaze at turn transition was increased when the video content of the current turn had a higher lexico-syntactic complexity. Furthermore, the results from voxel-based lesion symptom mapping indicate that the association between lexico-syntactic complexity and gaze shift latency in aphasic patients is predicted by brain lesions located in the posterior branch of the left arcuate fasciculus. Higher lexico-syntactic processing demands seem to lead to a reduced gaze shift probability in aphasic patients. This finding may represent missed opportunities for patients to place their contributions during everyday conversation. |
doi_str_mv | 10.1162/jocn_a_00983 |
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Recent studies investigated the processing of ongoing turns during conversation by measuring the eye movements of noninvolved observers. The findings suggest that humans shift their gaze in anticipation to the next speaker before the start of the next turn. Moreover, there is evidence that the ability to timely detect turn transitions mainly relies on the lexico-syntactic content provided by the conversation. Consequently, patients with aphasia, who often experience deficits in both semantic and syntactic processing, might encounter difficulties to detect and timely shift their gaze at turn transitions. To test this assumption, we presented video vignettes of natural conversations to aphasic patients and healthy controls, while their eye movements were measured. The frequency and latency of event-related gaze shifts, with respect to the end of the current turn in the videos, were compared between the two groups. Our results suggest that, compared with healthy controls, aphasic patients have a reduced probability to shift their gaze at turn transitions but do not show significantly increased gaze shift latencies. In healthy controls, but not in aphasic patients, the probability to shift the gaze at turn transition was increased when the video content of the current turn had a higher lexico-syntactic complexity. Furthermore, the results from voxel-based lesion symptom mapping indicate that the association between lexico-syntactic complexity and gaze shift latency in aphasic patients is predicted by brain lesions located in the posterior branch of the left arcuate fasciculus. Higher lexico-syntactic processing demands seem to lead to a reduced gaze shift probability in aphasic patients. This finding may represent missed opportunities for patients to place their contributions during everyday conversation.</description><identifier>ISSN: 0898-929X</identifier><identifier>EISSN: 1530-8898</identifier><identifier>DOI: 10.1162/jocn_a_00983</identifier><identifier>PMID: 27243612</identifier><language>eng</language><publisher>One Rogers Street, Cambridge, MA 02142-1209, USA: MIT Press</publisher><subject>Adult ; Analysis of Variance ; Aphasia - diagnostic imaging ; Aphasia - physiopathology ; Aphasia - psychology ; Brain - diagnostic imaging ; Eye Movement Measurements ; Eye Movements - physiology ; Eyes & eyesight ; Female ; Humans ; Male ; Motion Perception - physiology ; Neurosciences ; Probability ; Social Perception ; Speech Perception - physiology ; Verbal communication ; Video</subject><ispartof>Journal of cognitive neuroscience, 2016-10, Vol.28 (10), p.1613-1624</ispartof><rights>Copyright MIT Press Journals Oct 2016</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c481t-565239b87745c54af79411d910965cdc764483042a430ee422846b4f23a0914d3</citedby><cites>FETCH-LOGICAL-c481t-565239b87745c54af79411d910965cdc764483042a430ee422846b4f23a0914d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://direct.mit.edu/jocn/article/doi/10.1162/jocn_a_00983$$EHTML$$P50$$Gmit$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,54009,54010</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27243612$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Preisig, Basil C.</creatorcontrib><creatorcontrib>Eggenberger, Noëmi</creatorcontrib><creatorcontrib>Zito, Giuseppe</creatorcontrib><creatorcontrib>Vanbellingen, Tim</creatorcontrib><creatorcontrib>Schumacher, Rahel</creatorcontrib><creatorcontrib>Hopfner, Simone</creatorcontrib><creatorcontrib>Gutbrod, Klemens</creatorcontrib><creatorcontrib>Nyffeler, Thomas</creatorcontrib><creatorcontrib>Cazzoli, Dario</creatorcontrib><creatorcontrib>Annoni, Jean-Marie</creatorcontrib><creatorcontrib>Bohlhalter, Stephan</creatorcontrib><creatorcontrib>Müri, René M.</creatorcontrib><title>Eye Gaze Behavior at Turn Transition: How Aphasic Patients Process Speakers' Turns during Video Observation</title><title>Journal of cognitive neuroscience</title><addtitle>J Cogn Neurosci</addtitle><description>The human turn-taking system regulates the smooth and precise exchange of speaking turns during face-to-face interaction. Recent studies investigated the processing of ongoing turns during conversation by measuring the eye movements of noninvolved observers. The findings suggest that humans shift their gaze in anticipation to the next speaker before the start of the next turn. Moreover, there is evidence that the ability to timely detect turn transitions mainly relies on the lexico-syntactic content provided by the conversation. Consequently, patients with aphasia, who often experience deficits in both semantic and syntactic processing, might encounter difficulties to detect and timely shift their gaze at turn transitions. To test this assumption, we presented video vignettes of natural conversations to aphasic patients and healthy controls, while their eye movements were measured. The frequency and latency of event-related gaze shifts, with respect to the end of the current turn in the videos, were compared between the two groups. Our results suggest that, compared with healthy controls, aphasic patients have a reduced probability to shift their gaze at turn transitions but do not show significantly increased gaze shift latencies. In healthy controls, but not in aphasic patients, the probability to shift the gaze at turn transition was increased when the video content of the current turn had a higher lexico-syntactic complexity. Furthermore, the results from voxel-based lesion symptom mapping indicate that the association between lexico-syntactic complexity and gaze shift latency in aphasic patients is predicted by brain lesions located in the posterior branch of the left arcuate fasciculus. Higher lexico-syntactic processing demands seem to lead to a reduced gaze shift probability in aphasic patients. This finding may represent missed opportunities for patients to place their contributions during everyday conversation.</description><subject>Adult</subject><subject>Analysis of Variance</subject><subject>Aphasia - diagnostic imaging</subject><subject>Aphasia - physiopathology</subject><subject>Aphasia - psychology</subject><subject>Brain - diagnostic imaging</subject><subject>Eye Movement Measurements</subject><subject>Eye Movements - physiology</subject><subject>Eyes & eyesight</subject><subject>Female</subject><subject>Humans</subject><subject>Male</subject><subject>Motion Perception - physiology</subject><subject>Neurosciences</subject><subject>Probability</subject><subject>Social Perception</subject><subject>Speech Perception - physiology</subject><subject>Verbal communication</subject><subject>Video</subject><issn>0898-929X</issn><issn>1530-8898</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkcFPFDEUhxuDkRW5cSZNOOjB0df2Taf1thIEExJIXAm3ptvpQpfd6djOrIG_3hlBRcPB07t8v--9lx8hewzeMSb5-2V0jbEGQCvxjExYKaBQSqstMoFhFJrry23yMuclAPBS4guyzSuOQjI-ITdHt54e2ztPP_pruwkxUdvRWZ8aOku2yaELsflAT-J3Om2vbQ6Ontsu-KbL9DxF53OmX1pvb3zKr3_mMq37FJorehFqH-nZPPu0saPmFXm-sKvsdx_mDvn66Wh2eFKcnh1_PpyeFg4V64pSllzouaoqLF2JdlFpZKzWDLQsXe0qiagEILcowHvkXKGc44ILC5phLXbIm3tvm-K33ufOrEN2frWyjY99NkzxSgvGlfgPlEkpSpBqQA_-QZdxeHd4ZKQ0CiVwFL69p1yKOSe_MG0Ka5tuDQMz9mUe9zXg-w_Sfr729W_4V0F_DlyHxwufdk2fQEdkw1UYIgIEVmg4cDbEDWhzF9q_HT8A6TKxXg</recordid><startdate>20161001</startdate><enddate>20161001</enddate><creator>Preisig, Basil C.</creator><creator>Eggenberger, Noëmi</creator><creator>Zito, Giuseppe</creator><creator>Vanbellingen, Tim</creator><creator>Schumacher, Rahel</creator><creator>Hopfner, Simone</creator><creator>Gutbrod, Klemens</creator><creator>Nyffeler, Thomas</creator><creator>Cazzoli, Dario</creator><creator>Annoni, Jean-Marie</creator><creator>Bohlhalter, Stephan</creator><creator>Müri, René M.</creator><general>MIT Press</general><general>MIT Press Journals, The</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QR</scope><scope>7TK</scope><scope>8FD</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20161001</creationdate><title>Eye Gaze Behavior at Turn Transition: How Aphasic Patients Process Speakers' Turns during Video Observation</title><author>Preisig, Basil C. ; Eggenberger, Noëmi ; Zito, Giuseppe ; Vanbellingen, Tim ; Schumacher, Rahel ; Hopfner, Simone ; Gutbrod, Klemens ; Nyffeler, Thomas ; Cazzoli, Dario ; Annoni, Jean-Marie ; Bohlhalter, Stephan ; Müri, René M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c481t-565239b87745c54af79411d910965cdc764483042a430ee422846b4f23a0914d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Adult</topic><topic>Analysis of Variance</topic><topic>Aphasia - diagnostic imaging</topic><topic>Aphasia - physiopathology</topic><topic>Aphasia - psychology</topic><topic>Brain - diagnostic imaging</topic><topic>Eye Movement Measurements</topic><topic>Eye Movements - physiology</topic><topic>Eyes & eyesight</topic><topic>Female</topic><topic>Humans</topic><topic>Male</topic><topic>Motion Perception - physiology</topic><topic>Neurosciences</topic><topic>Probability</topic><topic>Social Perception</topic><topic>Speech Perception - physiology</topic><topic>Verbal communication</topic><topic>Video</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Preisig, Basil C.</creatorcontrib><creatorcontrib>Eggenberger, Noëmi</creatorcontrib><creatorcontrib>Zito, Giuseppe</creatorcontrib><creatorcontrib>Vanbellingen, Tim</creatorcontrib><creatorcontrib>Schumacher, Rahel</creatorcontrib><creatorcontrib>Hopfner, Simone</creatorcontrib><creatorcontrib>Gutbrod, Klemens</creatorcontrib><creatorcontrib>Nyffeler, Thomas</creatorcontrib><creatorcontrib>Cazzoli, Dario</creatorcontrib><creatorcontrib>Annoni, Jean-Marie</creatorcontrib><creatorcontrib>Bohlhalter, Stephan</creatorcontrib><creatorcontrib>Müri, René M.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Chemoreception Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of cognitive neuroscience</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Preisig, Basil C.</au><au>Eggenberger, Noëmi</au><au>Zito, Giuseppe</au><au>Vanbellingen, Tim</au><au>Schumacher, Rahel</au><au>Hopfner, Simone</au><au>Gutbrod, Klemens</au><au>Nyffeler, Thomas</au><au>Cazzoli, Dario</au><au>Annoni, Jean-Marie</au><au>Bohlhalter, Stephan</au><au>Müri, René M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Eye Gaze Behavior at Turn Transition: How Aphasic Patients Process Speakers' Turns during Video Observation</atitle><jtitle>Journal of cognitive neuroscience</jtitle><addtitle>J Cogn Neurosci</addtitle><date>2016-10-01</date><risdate>2016</risdate><volume>28</volume><issue>10</issue><spage>1613</spage><epage>1624</epage><pages>1613-1624</pages><issn>0898-929X</issn><eissn>1530-8898</eissn><abstract>The human turn-taking system regulates the smooth and precise exchange of speaking turns during face-to-face interaction. Recent studies investigated the processing of ongoing turns during conversation by measuring the eye movements of noninvolved observers. The findings suggest that humans shift their gaze in anticipation to the next speaker before the start of the next turn. Moreover, there is evidence that the ability to timely detect turn transitions mainly relies on the lexico-syntactic content provided by the conversation. Consequently, patients with aphasia, who often experience deficits in both semantic and syntactic processing, might encounter difficulties to detect and timely shift their gaze at turn transitions. To test this assumption, we presented video vignettes of natural conversations to aphasic patients and healthy controls, while their eye movements were measured. The frequency and latency of event-related gaze shifts, with respect to the end of the current turn in the videos, were compared between the two groups. Our results suggest that, compared with healthy controls, aphasic patients have a reduced probability to shift their gaze at turn transitions but do not show significantly increased gaze shift latencies. In healthy controls, but not in aphasic patients, the probability to shift the gaze at turn transition was increased when the video content of the current turn had a higher lexico-syntactic complexity. Furthermore, the results from voxel-based lesion symptom mapping indicate that the association between lexico-syntactic complexity and gaze shift latency in aphasic patients is predicted by brain lesions located in the posterior branch of the left arcuate fasciculus. Higher lexico-syntactic processing demands seem to lead to a reduced gaze shift probability in aphasic patients. This finding may represent missed opportunities for patients to place their contributions during everyday conversation.</abstract><cop>One Rogers Street, Cambridge, MA 02142-1209, USA</cop><pub>MIT Press</pub><pmid>27243612</pmid><doi>10.1162/jocn_a_00983</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Adult Analysis of Variance Aphasia - diagnostic imaging Aphasia - physiopathology Aphasia - psychology Brain - diagnostic imaging Eye Movement Measurements Eye Movements - physiology Eyes & eyesight Female Humans Male Motion Perception - physiology Neurosciences Probability Social Perception Speech Perception - physiology Verbal communication Video |
title | Eye Gaze Behavior at Turn Transition: How Aphasic Patients Process Speakers' Turns during Video Observation |
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