27.4094, FYI: Online Aphasia and Neuroimaging Lecture, Oct. 20

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LINGUIST List: Vol-27-4094. Wed Oct 12 2016. ISSN: 1069 - 4875.

Subject: 27.4094, FYI: Online Aphasia and Neuroimaging Lecture, Oct. 20

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Date: Wed, 12 Oct 2016 13:31:17
From: Dirk Den Ouden [denouden at sc.edu]
Subject: Online Aphasia and Neuroimaging Lecture, Oct. 20

 Thursday, October 20th, 2pm EDT
https://global.gotomeeting.com/join/667426173

“Reliability of behavior performance and functional activation in aphasia”

Brielle Stark, Ph.D.
Postdoctoral Fellow, C-STAR, University of South Carolina

Longitudinal fMRI studies have been used to investigate brain plasticity
associated with training or treatment, attributing post-treatment behavioral
change to brain plasticity. It is largely agreed upon that behavioral
performance is relatively stable in healthy adults and not susceptible to
significant changes upon retest. Over one hundred studies of fMRI reliability
have been performed in healthy adults (Bennett & Miller, 2010) and there is
consensus that functional activation during test-retest in this population is
reliable. However, this is an issue that has received somewhat limited
attention in the aphasia literature, which is surprising given that clinical
experience suggests considerable fluctuations in language performance across
sessions in persons with aphasia. Therefore, the need to establish reliability
in pre-treatment behavioral performance and functional activation is of great
interest for post-stroke aphasia research. Aphasia treatment studies are often
small and rely on within-subject behavior changes to drive conclusions about
brain plasticity. The reliability of behavior performance and functional
activation in aphasia during test-retest has been addressed in very few
studies, all including small sample sizes (fewer than five participants). This
lecture will focus on the reliability of behavior performance and functional
activation in aphasia and its relevance for longitudinal treatment designs.
Results from our lab on a test-retest paradigm in a relatively large sample of
participants with aphasia will be reported, and future directions will be
discussed.

Location: University of South Carolina, Discovery I, Room #140, 915 Greene
Street, Columbia, SC 29208

Date: Thursday, October 6th, 2016 Time: 2pm – 3pm EDT

The lecture can 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

C-STAR Lecture Series:

The Center for the Study of Aphasia Recovery (C-STAR;
http://cstar.sc.edu/lecture-series/) houses researchers who examine the
effects of behavioral treatment, brain stimulation, and residual brain
function (brain plasticity) on recovery from aphasia. C-STAR is a
collaboration between researchers from the University of South Carolina, the
Medical University of South Carolina, Johns Hopkins University, and the
University of California, Irvine. The Center is funded through the National
Institute of Deafness and Communication Disorders (NIDCD) grant #NIH P50
DC014664. Biweekly public lectures, given by members and guests of C-STAR, are
accessible live and online. Recordings of the lectures can be viewed via
C-STAR YouTube channel:
https://www.youtube.com/channel/UC8p0CuG4He9nqCR4nnzhZ7w

More information: Dirk den Ouden (denouden at sc.edu)

Linguistic Field(s): Cognitive Science
                     Neurolinguistics
                     Psycholinguistics



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