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  esfMRI of the upper STS: further evidence for the lack of electrically induced polysynaptic propagation of activity in neocortex

Sultan, F. (2011). esfMRI of the upper STS: further evidence for the lack of electrically induced polysynaptic propagation of activity in neocortex. Talk presented at Joint Meeting of Anatomical Societies 2011. Bursa, Turkey. 2011-05-19 - 2011-05-22.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0002-54AD-D Version Permalink: https://hdl.handle.net/21.11116/0000-0006-8B58-B
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http://dergipark.gov.tr/download/article-file/353700 (Abstract)
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Sultan, F1, Author           
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 Abstract: Combining electrical stimulation with functional magnetic resonance imaging (esfMRI) has proven to be an important tool to study the global effects of electrical stimulation on neural networks in the brain. Here we extend our previous studies to stimulating the cerebral cortex in the upper superior temporal sulcus (STS) in the anaesthetized monkey. Our results show that stimulating area V5/MT and surrounding areas leads to positive blood-oxygen-dependant responses in the majority of cortical areas known from previous studies to receive direct/monosynaptic connections from the stimulation site. We confirm our previous results from stimulating primary visual cortex that the propagation of electrically induced activity is limited on the cerebral cortex in its transsynaptic propagation to the first synapse likely due to the artificial nature of the electrical stimulus and the dominance of inhibitory responses to such synchronous stimuli.

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 Dates: 2011-05
 Publication Status: Issued
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 Identifiers: DOI: 10.2399/ana.11.001s
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Title: Joint Meeting of Anatomical Societies 2011
Place of Event: Bursa, Turkey
Start-/End Date: 2011-05-19 - 2011-05-22
Invited: Yes

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Title: Joint Meeting of Anatomical Societies 2011
Source Genre: Proceedings
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