Perception of lateral movement by monocularly viewing pigeons

Corballis, Michael C.; Luthe, Lorenz

doi:10.3758/bf03198615

Cited by 5 publications

(3 citation statements)

References 10 publications

(19 reference statements)

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“…More accurate tracking was exhibited for a vertical pattern moving from the posterior to the anterior visual field. With bodily restraint only, monocularly viewing pigeons also make about four times as many head movements to anteriorward than to posteriorward movement (Corballis & Luthe, 1973).…”

Section: Eye Movementsmentioning

confidence: 98%

“…In most psychophysical studies, visual stimuli have been presented with no explicit restriction as to how the pigeon would view them (cf. P. M. Blough, 1973;Corballis & Luthe, 1973). With regard to this practice, it is important to consider the notion that the pigeon eye is nonuniform regarding its form and, in some respects, its function.…”

Section: Frontal Vs Lateral Visionmentioning

confidence: 99%

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Structure and function of the pigeon visual system

Donovan

1978

Psychobiology

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This comprehensive. up• to-date account of vision in the pigeon begins with a description of the eye, its dimensions, and optical properties. The retina is discussed in considerable detail, with particular attention given to: the distribution of the various cell types within and across the retina, the number and the nature of the oil drops in the cones, the highly developed inner plexiform layer, the response characteristics of the ganglion cells, and the damage to cones caused by exposure to light. Lastly, the three major visual pathways are examined neuroanatomica11y and electrophysiologica11y. In the second section, several important issues have been emphasized: the putative differences between frontal and lateral vision, visual sensitivity to both discrete and periodic stimuli at various adaptation levels, polarotaxis in the pigeon, the bipartite spectral sensitivity of its retina, hue and saturation discrimination, sensitivity to ultraviolet light, panoramic acuity, and the detection of movement.

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Section: Eye Movementsmentioning

confidence: 98%

Section: Frontal Vs Lateral Visionmentioning

confidence: 99%

Structure and function of the pigeon visual system

Donovan

1978

Psychobiology

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“…Other types of eye covers include rubber cups with chicks (Horn, Rose, & Bateson, 1973), band-aids or goggles with pigeons (cf. Cheney & Tam, 1972;Corballis & Luther, 1973;Tieman, Tieman, Brady, & Hamilton, 1974), a textile mask with rabbits (van Hof & Lagers-van Haselen, 1975), an eye patch sutured over the eye with kittens (Cornwell, 1974), and corneal contact lenses with cats (Hranchuk & Webster, 1975).…”

mentioning

confidence: 99%

Assessment of the contact eye cover as an effective method of restricting visual input

Levinson¹,

Sheridan²,

Hottman

et al. 1978

Behavior Research Methods & Instrumentation

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In the wake of several studies that have cast doubt upon the effectiveness of contact eye covers in restricting vision, we performed a series of five experiments to the end of achieving reversible blinding of the albino rat. The data of Experiment 1 indicated that the contact eye cover can be as effective as a rubber cup in restricting visual input. In Experiment 2, animals that were fitted binocularly with opaque eye covers performed as if blind on a task involving acquisition of pattern discrimination. In Experiment 3, binocular coverage with the opaque eye cover resulted in chance performance across 300 trials of a previously acquired pattern-discrimination habit. In Experiment 4, the base diameter of the eye cover was found to be a critical factor: Performance of a previously acquired brightness discrimination was reduced to chance levels by contact eye covers that approximated 7.0 mm in diameter. In Experiment 5, a smaller eye cover (6·mm diam) had no effect in limiting the visually evoked electrocortical response of the albino rat, while an eye cover of 7.2-mm diam produced a reliable attenuation of the response. The collective results indicate that appropriately fabricated contact eye covers are a viable means of restricting visual input and may justifiably be considered contactoccluders.

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Functional role of efferents to the avian retina. I. Analysis of retinal ganglion cell receptive fields

Pearlman

Hughes

1976

J of Comparative Neurology

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Receptive fields of retinal ganglion cells were analyzed during extracellular microelectrode recordings in the optic tract of the lightly anesthetized pigeon. Four major types of receptive field can be distinguished among the 359 fibers studied. Twenty-five percent of the receptive fields are relatively simple, responding at on and at off to stationary spots of light in the central region. All of the receptive fields have inhibitory surrounds of varying strength that do not produce a response when illuminated alone, but antagonize responses from the central region. Motion sensitive units comprise 15% of the recorded population; they are similar to the o n d f center type except that responses to stationary stimuli are absent or very weak while responses to moving stimuli are vigorous. Directionally selective units also have the basic features of on-off, inhibitory surround cells, but respond to moving stimuli well from the preferred direction and not at all from the null direction. Directional cells have a broad range of null directions; in about one-third of the units the range becomes broader when the stimulus involves both center and surround of the receptive field, thus enhancing directional selectivity. Directionally selective units are common, comprising 38% of the units studied. Cells unresponsive to stimuli moving from anterior in the visual field are much more common than other types, while cells unresponsive to stimuli from posterior in the field are rare. A few units (11%) respond only at on or at off to stationary stimuli in their receptive field centers; they also have antagonistic but unresponsive receptive field surrounds. The area of the visual field sampled is uniform in regard to the relative numbers of the four major receptive field types.

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Perception of lateral movement by monocularly viewing pigeons

Cited by 5 publications

References 10 publications

Structure and function of the pigeon visual system

Structure and function of the pigeon visual system

Assessment of the contact eye cover as an effective method of restricting visual input

Functional role of efferents to the avian retina. I. Analysis of retinal ganglion cell receptive fields

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