Generation of action potentials by dendrites in the frog optic tectum

Luk'yanov, A. S.

doi:10.1007/bf01125666

Cited by 6 publications

(2 citation statements)

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“…But experiments indicating passive dendritic conduction are open to various interpretations [Bishop (1958), Eccles (1960), Rail and Shepherd, (1968), Rail (1970), Bogdanov and Golovchinskii (1970)g, and there have been several studies which imply that action potentials can propagate at least on the larger branches of some dendritic trees [Lorente de N6 (1947), Cragg and Hamlyn (1955), Eyzaquirre and Kuffler (1955), Fatt (1957), Hild and Tasaki (1962), Anderson, Holmquist and Voorhoeve (1966), Llinas, Nicholson, Freeman and Hillman (1968), Luk'yanov (1970), Nicholson and Llinas (1971), Llinas and Nicholson (1971)). Lorente de No (1960), Arshavskii eI, al.…”

Section: Interactions At Branching Points Of Axons and Dendritesmentioning

confidence: 99%

The electrophysics of a nerve fiber

Scott

1975

Rev. Mod. Phys.

293

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Section: Interactions At Branching Points Of Axons and Dendritesmentioning

confidence: 99%

The electrophysics of a nerve fiber

Scott

1975

Rev. Mod. Phys.

293

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“…It was hoped that dichoptic stimulation of the presynaplic optic affer e n t might provide information about possible inhibitory relationships be tween the two tectal lobes [Sprague, 1966;Robert anil COenod, 1969;Luk'yanov, 1971;F reeman, 1973| or within a single tectal lobe [Gusel'nikov and L uk'yanov, 1971]. However, no definitive evidence was found in the curarizcd frog for any inhibitory interactions between the two sets of afferent terminals.…”

Section: Binocular Spatiotemporal Organizationmentioning

confidence: 99%

Spatial and Temporal Organization of the Binocular Input to Frog Optic Tectum

Raybourn¹

1975

Brain Behav Evol

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Single-unit recordings in the frog''s optic tectum have demonstrated the existence of a systematic spatial separation between the direct contralateral and indirect ipsilateral excitatory receptive fields. Marked differences in this spatial organization were found between paralyzed and anesthesized animals.Significant latency differences were found between sustained (class I/II) and transient (class III) contralateral fibers. Corresponding latency differences were also seen in ipsilaterally driven responses. It is suggested that there may be at least two different classes of ipsilateral fibers.The existence of binocular interaction at the level of the afferent terminal arborizations was investigated, utilizing temporally asynchronous dichoptic stimulation. No such phenomena were seen in curarized animals. These findings are discussed in terms of possible velocity and direction sensitivity mechanisms.

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