@article{duffy-1998, abstract = {We recorded the responses of 189 medial superior temporal area ({MST}) neurons by using optic flow, real translational movement, and combined stimuli in which matching directions of optic flow and real translational movement were presented together. One-half of the neurons (48\%) showed strong responses to optic flow simulating self-movement in the horizontal plane, and 24\% showed strong responses to translational movement. Combining optic flow stimuli with matching directions of translational movement caused substantial changes in both the amplitude of the best responses (44\% of neurons) and the strength of direction selectivity (71\% of neurons), with little effect on which stimulus direction was preferred. However, combining optic flow and translational movement such that opposite directions were presented together changed the preferred direction in 45\% of the neurons with substantial changes in the strength of direction selectivity. These studies suggest that {MST} neurons combine visual and vestibular signals to enhance self-movement detection and disambiguate optic flow that results from either self-movement or the movement of large objects near the observer.}, address = {Department of Neurology, University of Rochester Medical Center, Rochester, New York 14642, USA.}, author = {Duffy, Charles J.}, citeulike-article-id = {3299623}, citeulike-linkout-0 = {http://jn.physiology.org/content/80/4/1816.abstract}, citeulike-linkout-1 = {http://jn.physiology.org/content/80/4/1816.full.pdf}, citeulike-linkout-2 = {http://jn.physiology.org/cgi/content/abstract/80/4/1816}, citeulike-linkout-3 = {http://view.ncbi.nlm.nih.gov/pubmed/9772241}, citeulike-linkout-4 = {http://www.hubmed.org/display.cgi?uids=9772241}, day = {01}, issn = {1522-1598}, journal = {Journal of Neurophysiology}, keywords = {biology, mst, multisensory, optic-flow, visual}, month = oct, number = {4}, pages = {1816--1827}, pmid = {9772241}, posted-at = {2014-09-30 11:30:14}, priority = {2}, publisher = {American Physiological Society}, title = {{MST} Neurons Respond to Optic Flow and Translational Movement}, url = {http://jn.physiology.org/content/80/4/1816.abstract}, volume = {80}, year = {1998} }
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Cells in MST respond to and are selective to optic flow.⇒
Cells in MST respond to vestibular motion cues.⇒
Some cells in MST are multisensory.⇒
Visuo-vestibular cells in MST perform multisensory integration in the sense that their response to multisensory stimuli is different from their response to either of the uni-sensory cues.⇒
Visuo-vestibular cells tend to be selective for visual and vestibular self-motion cues which indicate motion in the same direction.⇒
The responses of some visuo-vestibular cells were enhanced, that of others was depressed by combined visuo-vestibular cues.⇒
Visual information seems to override vestibular information in estimating heading direction.⇒