27.4838, FYI: Online Lecture on Aphasia and Neuroimaging

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LINGUIST List: Vol-27-4838. Mon Nov 28 2016. ISSN: 1069 - 4875.

Subject: 27.4838, FYI: Online Lecture on Aphasia and Neuroimaging

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Date: Mon, 28 Nov 2016 11:10:32
From: Dirk Den Ouden [denouden at sc.edu]
Subject: Online Lecture on Aphasia and Neuroimaging

 
Thursday, December 1st, 2pm EDT

https://global.gotomeeting.com/join/667426173

“Predicting aphasia scores from multimodal neuroimaging: an integrated
framework” 

Dorian Pustina, Ph.D.
University of Pennsylvania

Post-stroke aphasia has been traditionally investigated for lesion-to-symptom
relationships. In the last 10 years, there have been an increasing number of
studies showing that lesion alone is insufficient to explain the variability
of aphasia deficits observed after stroke. A brain network perspective, both
functional and structural, provides additional evidence of the architectural
organization of the brain after stroke, yielding complementary information
that might increase our ability to predict aphasia. I will present a
predictive framework that uses multimodal data (i.e., virtual tractography
lesions, resting state connectivity, lesional information) to produce
preliminary single-modality predictions of aphasia severity. These predictions
are then combined into a final multimodal prediction. The method was tested on
four aphasia scores obtained from 53 chronic stroke patients, and shows a
systematic advantage of multimodal integration over the best single-modality
prediction. Our results suggest that all neuroimaging modalities carry
information potentially useful for the prediction of aphasia scores, and that,
rather than comparing modalities and selecting the best one, optimal aphasia
predictions can be derived by combining all information sources into a single
enhanced multimodal prediction.

Location: University of South Carolina, Discovery I, Room #140, 915 Greene
Street, Columbia, SC 29208
Date: Thursday, December 1st, 2016
Time: 2-3pm EDT

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

C-star Lecture Series

The Center for the Study of Aphasia Recovery (C-STAR; http://cstar.sc.edu)
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

For more information, please contact Dirk den Ouden (denouden at sc.edu)
 



Linguistic Field(s): Cognitive Science
                     Neurolinguistics





 



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