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Focal activation of primary visual cortex following supra-choroidal electrical stimulation of the retina: Intrinsic signal imaging and linear model analysis

Cloherty, Shaun; Hietanen, Markus; Suaning, Gregg; Ibbotson, Michael


We performed optical intrinsic signal imaging of cat primary visual cortex (Area 17 and 18) while delivering bipolar electrical stimulation to the retina by way of a suprachoroidal electrode array. Using a general linear model (GLM) analysis we identified statistically significant (p < 0.01) activation in a localized region of cortex following supra-threshold electrical stimulation at a single retinal locus. Our results: (1) demonstrate that intrinsic signal imaging combined with linear model...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Conference paper
Source: Proceedings of IEEE International Conference of the Engineering in Medicine and Biology Society (EMBS 2010)
DOI: 10.1109/IEMBS.2010.5625999


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