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A sustained input to the direction-selective mechanism in cat striate cortex neurons

Published online by Cambridge University Press:  02 June 2009

Curtis L. Baker Jr  and
Max S. Cynader
Curtis L. Baker Jr
Affiliation:
McGill Vision Research Unit, Department of Ophthalmology, McGill University, Canada
Max S. Cynader
Affiliation:
Department of Ophthalmology, University of British Columbia, Canada
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Abstract

Direction-selective neurons in cat striate cortex were tested with bar-shaped stimuli, sequentially flashed at spatially displaced positions chosen to elicit maximal direction selectivity. Temporally overlapping flash exposures of prolonged duration (400–1000 ms) were employed at a series of onset asynchronies to explore the nature of temporal tuning of the direction-selective mechanism. In most neurons studied, direction selectivity was found to be supported by a surprisingly broad range of stimulus onset asynchronies, which was greater for longer exposure durations. These findings imply the existence of a sustained input to the direction-selective mechanism, in spite of the relatively transient nature of most cortical neurons' step responses. A model is described to illustrate how different front-end temporal filters can affect the dependence of two-flash direction selectivity on stimulus onset asynchrony. The versions of the model which successfully predict the form of the observed responses are those which combine inputs from sustained and transient filters.

Keywords

Visual cortexDirection selectivityMotion perceptionLagged cells
Type
Research Articles
Information
Visual Neuroscience , Volume 11 , Issue 6 , November 1994 , pp. 1083 - 1092
Copyright
Copyright © Cambridge University Press 1994

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References

Adelson, E.H. & Bergen, J.R. (1985). Spatiotemporal energy models for the perception of motion. Journal of the Optical Society of America 2, 284–299.CrossRefGoogle ScholarPubMed
Albrecht, D.G. & Geisler, W.S. (1991). Motion selectivity and the contrast-response function of simple cells in the visual cortex. Visual Neuroscience 7, 531–546.CrossRefGoogle ScholarPubMed
Baker, C.L. Jr. (1988). Spatial and temporal determinants of directionally selective velocity preference in cat striate cortex neurons. Journal of Neurophysiology 59, 1557–1573.CrossRefGoogle ScholarPubMed
Baker, C.L. Jr. (1990). Spatial and temporal frequency selectivity as a basis for velocity preference in cat striate cortex neurons. Visual Neuroscience 4, 101–113.CrossRefGoogle ScholarPubMed
Baker, C.L. Jr. & Braddick, O.J. (1985). Temporal properties of the short-range process in apparent motion. Perception 14, 181–192.CrossRefGoogle ScholarPubMed
Baker, C.L. Jr. & Cynader, M.S. (1986). Spatial receptive-field properties of direction selective neurons in cat striate cortex. Journal of Neurophysiology 6, 1136–1152.CrossRefGoogle Scholar
Baker, C.L. Jr. & Boulton, J.C. (1994). Neurobiological mechanisms of cortical direction selectivity. In Computational Vision Based on Neurobiology, ed. Lawton, T.B., S.P.I.E. Proc. Vol. 2054.CrossRefGoogle Scholar
DeAngelis, G.C., Ohzawa, I. & Freeman, R.D. (1993 a). Spatiotemporal organization of simple-cell receptive fields in the cat's striate cortex. I. General characteristics and postnatal development. Journal of Neurophysiology 69, 1091–1117.CrossRefGoogle ScholarPubMed
Deangelis, G.C., Ohzawa, I. & Freeman, R.D. (1993 b). Spatiotemporal organization of simple-cell receptive fields in the cat's striate cortex. II. Linearity of temporal and spatial summation. Journal of Neurophysiology 69, 1118–1135.CrossRefGoogle ScholarPubMed
Duysens, J., Orban, G.A., Cremieux, J. & Maes, H. (1985). Velocity selectivity in the cat visual system. III. Contribution of temporal factors. Journal of Neurophysiology 54, 1068–1083.CrossRefGoogle ScholarPubMed
Emerson, R.C., Citron, M.C., Vaughn, W.J. & Klein, S.A. (1987). Nonlinear directionally selective subunits in complex cells of cat striate cortex. Journal of Neurophysiology 58, 33–65.CrossRefGoogle ScholarPubMed
Ganz, L. (1984). Visual cortical mechanisms responsible for direction selectivity. Vision Research 24, 3–11.CrossRefGoogle ScholarPubMed
Ganz, L. & Felder, R. (1984). Mechanism of directional selectivity in simple neurons of the cat's visual cortex analyzed with stationary flash sequences. Journal of Neurophysiology 51, 294–324.CrossRefGoogle ScholarPubMed
Grzywacz, N.M. & Amthor, F.R. (1993). Facilitation in on-off directionally selective ganglion cells of the rabbit retina. Journal of Neurophysiology 69, 2188–2199.CrossRefGoogle ScholarPubMed
Hubel, D.H. & Wiesel, T.N. (1962). Receptive fields, binocular interaction, and functional architecture in the cat's visual cortex. Journal of Physiology 160, 106–154.CrossRefGoogle ScholarPubMed
Humphrey, A.L. & Weller, R.E. (1988). Functionally distinct groups of X-cells in the lateral geniculate nucleus of the cat. Journal of Comparative Neurology 268, 429–447.CrossRefGoogle ScholarPubMed
Jacobson, L.D., Gaska, J.P., Chen, H.-W. & Pollen, D.A. (1989). 2D spatial/ID temporal white noise stimulus–response cross correlation studies in VI of the macaque monkey. Investigative Ophthalmology and Visual Science (Suppl.) 30, 298.Google Scholar
Kulikowski, J.J., Bishop, P.O. & Kato, H. (1979). Sustained and transient responses by cat striate cortex cells to stationary flashing light and dark bars. Brain Research 170, 362–367.CrossRefGoogle ScholarPubMed
Marr, D. & Ullman, S. (1981). Directional selectivity and its use in early visual processing. Proceedings of the Royal Society B (London) 211, 151–180.Google ScholarPubMed
Mastronarde, D.N. (1987). Two classes of single-input X-cells in cat lateral geniculate nucleus. I. Receptive-field properties and classification of cells. Journal of Neurophysiology 57, 357–413.CrossRefGoogle ScholarPubMed
Maunsell, J.H.R. & Gibson, J.R. (1992). Visual response latencies in striate cortex of the macaque monkey. Journal of Neurophysiology 68, 1332–1344.CrossRefGoogle ScholarPubMed
McLean, J., Raab, S. & Palmer, L.A. (1994). Contribution of linear mechanisms to the specification of local motion by simple cells in areas 17 and 18 of the cat. Visual Neuroscience 11, 271–294.CrossRefGoogle Scholar
Mullikin, W.H., Jones, J.P. & Palmer, L.A. (1984). Receptive-field properties and laminar distribution of X-like and Y-like simple cells in cat area 17. Journal of Neurophysiology 52, 350–371.CrossRefGoogle ScholarPubMed
Nelson, S.B., Tom, L.J. & Sur, M. (1992). Spatial and temporal integration of synaptic inputs by visual cortex neurons. Society for Neuroscience Abstracts 18, 99.4.Google Scholar
Palmer, L.A. & Rosenquist, A.C. (1974). Visual receptive fields of single striate cortical units projecting to the superior colliculus in the cat. Brain Research 67, 27–42.CrossRefGoogle Scholar
Reid, R.C., Soodak, R.E. & Shapley, R.M. (1991). Directional selectivity and spatiotemporal structure of receptive fields of simple cells in cat striate cortex. Journal of Neurophysiology 66, 505–529.CrossRefGoogle ScholarPubMed
Reid, R.C., Shapiey, R.M. & Victor, J.D. (1989). A new two-dimensional pseudorandom stimulus for the study of receptive fields in the LGN and striate cortex. Society for Neuroscience Abstracts 15, 323.Google Scholar
Riehle, A. & Franceschini, N. (1984). Motion detection in flies: Parametric control over ON-OFF pathways. Experimental Brain Research 54, 390–394.CrossRefGoogle ScholarPubMed
Saul, A.B. & Humphrey, A.L. (1990). Spatial and temporal response properties of lagged and nonlagged cells in cat lateral geniculate nucleus. Journal of Neurophysiology 64, 206–224.CrossRefGoogle ScholarPubMed
Saul, A.B. & Humphrey, A.L. (1992). Evidence of input from lagged cells in the lateral geniculate nucleus to simple cells in cortical area 17 of the cat. Journal of Neurophysiology 68, 1190–1208.CrossRefGoogle ScholarPubMed
Skottun, B.C., Devalois, R.L., Grosof, D.H., Movshon, J.A., Albrecht, D.G. & Bonds, A.B. (1991). Classifying simple and complex cells on the basis of response modulation. Vision Research 31, 1079–1086.CrossRefGoogle ScholarPubMed
Tolhurst, D.J. & Dean, A.F. (1991). Evaluation of a linear model of directional selectivity in simple cells of the cat's striate cortex. Visual Neuroscience 6, 421–428.CrossRefGoogle ScholarPubMed
Van Santen, J.P.H. & Sperling, G. (1985). Elaborated Reichardt detectors. Journal of the Optical Society of America 2, 300–321.CrossRefGoogle ScholarPubMed
Vitanova, L., Glezer, V. & Gauselman, V. (1985). On the mechanisms underlying appearance of responses to movement, directional sensitivity and velocity tuning of the cat's striate cortical neurons. Biological Cybernetics 52, 237–246.CrossRefGoogle ScholarPubMed