29.1160, FYI: Online Lecture, 3/22: aphasia recovery

[The LINGUIST List]

LINGUIST List: Vol-29-1160. Tue Mar 13 2018. ISSN: 1069 - 4875.

Subject: 29.1160, FYI: Online Lecture, 3/22: aphasia recovery

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Date: Tue, 13 Mar 2018 22:36:19
From: Dirk Den Ouden [denouden at sc.edu]
Subject: Online Lecture, 3/22: aphasia recovery

 
Thursday, March 22nd, 2pm ET
https://global.gotomeeting.com/join/667426173
http://cstar.sc.edu/lecture-series/

Network correlates of aphasia recovery
Susan Duncan, PhD, CCC-SLP
Louisiana State University

Resting state functional magnetic resonance imaging (rsfMRI) permits
observation of intrinsic neural networks produced by task-independent
correlations in low frequency brain activity. These resting state networks
(RSNs) consist of spatially distinct regions sharing functional connectivity,
typically believed to reflect mutual engagement in common tasks. Previous
studies have suggested that disruption of functional connectivity is
associated with degree of language impairment in aphasia, and also that RSNs
can change with aphasia therapy.

This talk will present changes occurring in resting state functional
connectivity following an aphasia therapy program. We discovered two
inter-related functional predictors of improvement in narrative production.
Through the use of a sliding window approach, we investigated the dynamic
nature of RSNs as they changed over the course of therapy. An increase in the
amount of time spent in one of the states – a state characterized by minimal
correlation among the identified RSNs – predicted improvement on the narrative
task. We interpreted this finding as evidence for adaptive segregation among
the RSNs, which was supported by a second analysis using a graph theoretical
approach. Such findings inform mechanistic aspects of aphasia therapy response
and may ultimately influence our interventions.

This lecture will be held at the University of South Carolina:
Room #140, Discovery I, 915 Greene Street, Columbia, SC 29208
Date: Thursday, March 22nd, Time: 2pm – 3pm Eastern Time
The event will be catered!

The lecture can also be followed online from your computer, tablet or
smartphone, via the following GoToMeeting address (no password required):
https://global.gotomeeting.com/join/667426173

You can also dial in using your phone. 
United States : +1 (872) 240-3412
Access Code: 667-426-173
First GoToMeeting? Try a test session: http://help.citrix.com/getready
 



Linguistic Field(s): Clinical Linguistics
                     Discourse Analysis
                     Neurolinguistics





 



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