The contrast sensitivity of fly movement-detecting neurons

Abstract Contrast sensitivity functions (CSFs) have been measured for directionally-selective movement-detecting neurons of the lobula plate by using moving sine-wave gratings. At high luminance, the CSF peaks at 0.05 c/deg. Sensitivity is reduced by 40% at 0.02 c/deg and 0.15 c/deg, and by 90% at 0.4 c/deg. At low luminance, the high-frequency falloff shifts toward lower frequencies and the low-frequency falloff disappears. The results point to a number of parallels between the ways in which invertebrate and vertebrate visual systems analyze spatial information.

[1]  G. D. Mccann,et al.  Fundamental Properties of Intensity, Form, and Motion Perception in the Visual Nervous Systems of Calliphora phaenicia and Musca domestica , 1969, The Journal of general physiology.

[2]  Neuronal basis of a sensory analyser, the acridid movement detector system. III. Control of response amplitude by tonic lateral inhibition. , 1976, The Journal of experimental biology.

[3]  D. Hubel Tungsten Microelectrode for Recording from Single Units. , 1957, Science.

[4]  D. G. Green,et al.  Optical and retinal factors affecting visual resolution. , 1965, The Journal of physiology.

[5]  G. D. Mccann,et al.  Motion detection by interneurons of optic lobes and brain of the flies Calliphora phaenicia and Musca domestica. , 1968, Journal of neurophysiology.

[6]  D. G. Green,et al.  Contrast sensitivity of the human peripheral retina. , 1969, Vision research.

[7]  L. Maffei,et al.  The visual cortex as a spatial frequency analyser. , 1973, Vision research.

[8]  W Reichardt,et al.  The insect eye as a model for analysis of uptake, transduction, and processing of optical data in the nervous system , 1969 .

[9]  R. L. de Valois,et al.  Psychophysical studies of monkey vision. 3. Spatial luminance contrast sensitivity tests of macaque and human observers. , 1974, Vision research.

[10]  R. Hess,et al.  The functional area for summation to threshold for sinusoidal gratings , 1978, Vision Research.

[11]  N. Strausfeld,et al.  Vision in insects: pathways possibly underlying neural adaptation and lateral inhibition. , 1977, Science.

[12]  J. Robson,et al.  Grating summation in fovea and periphery , 1978, Vision Research.

[13]  K. Hausen Functional Characterization and Anatomical Identification of Motion Sensitive Neurons in the Lobula plate of the Blowfly Calliphora erythrocephala , 1976 .

[14]  D. Pollen,et al.  Spatial frequency selectivity of periodic complex cells in the visual cortex of the cat , 1978, Vision Research.

[15]  S. R. Shaw,et al.  Retinal resistance barriers and electrical lateral inhibition , 1975, Nature.

[16]  H. K. Hartline,et al.  INHIBITORY INTERACTION OF RECEPTOR UNITS IN THE EYE OF LIMULUS , 1957, The Journal of general physiology.

[17]  R. W. Rodieck Quantitative analysis of cat retinal ganglion cell response to visual stimuli. , 1965, Vision research.

[18]  J. Robson Spatial and Temporal Contrast-Sensitivity Functions of the Visual System , 1966 .

[19]  C. R. Cavonius,et al.  Low-frequency attenuation in the detection of gratings: Sorting out the artefacts , 1976, Vision Research.

[20]  A. Snyder,et al.  The Relationship between Visual Acuity and Illumination in the Fly, Lucilia sericata , 1978, Zeitschrift fur Naturforschung. Section C, Biosciences.

[21]  Bruce W. Knight,et al.  A Quantitative Description of the Dynamics of Excitation and Inhibition in the Eye of Limulus , 1970, The Journal of general physiology.

[22]  F. W. Campbell,et al.  The Transmission of Spatial Information Through the Visual System , 1973 .

[23]  J. McCann,et al.  Visibility of low-spatial-frequency sine-wave targets: Dependence on number of cycles. , 1975, Journal of the Optical Society of America.

[24]  G. Westheimer,et al.  Visual Acuity and Spatial Modulation Thresholds , 1972 .

[25]  C. Enroth-Cugell,et al.  The contrast sensitivity of retinal ganglion cells of the cat , 1966, The Journal of physiology.

[26]  N. Strausfeld Atlas of an Insect Brain , 1976, Springer Berlin Heidelberg.

[27]  M. Georgeson,et al.  Contrast constancy: deblurring in human vision by spatial frequency channels. , 1975, The Journal of physiology.