Thalamo-cortical connections and their correlation with receptive field properties in the cat's lateral suprasylvian visual cortex

Rauschecker, Josef P.; Grünau, Michael W. von; Poulin, Carmen

doi:10.1007/bf00269458

Cited by 44 publications

(18 citation statements)

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“…Thus, extrastriate synaptic input may also be important in shaping RF properties in the LPl. Our group (Piché et al 2013) has described the first-order RF spatial profile of neurons in the lateral suprasylvian (LS) cortex, which is reciprocally connected with the LPl (Berson and Graybiel 1983;Rauschecker et al 1987). We found that LS neurons have larger dark subfields and displayed RF spatial organization types highly similar to those found in the LPl, with comparable occurrence rates (Piché et al 2013).…”

Section: Discussionmentioning

confidence: 69%

Spatiotemporal profiles of receptive fields of neurons in the lateral posterior nucleus of the cat LP-pulvinar complex

Piché

Thomas

Casanova

2015

Journal of Neurophysiology

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nar is the largest extrageniculate thalamic visual nucleus in mammals. It establishes reciprocal connections with virtually all visual cortexes and likely plays a role in transthalamic cortico-cortical communication. In cats, the lateral posterior nucleus (LP) of the LP-pulvinar complex can be subdivided in two subregions, the lateral (LPl) and medial (LPm) parts, which receive a predominant input from the striate cortex and the superior colliculus, respectively. Here, we revisit the receptive field structure of LPl and LPm cells in anesthetized cats by determining their first-order spatiotemporal profiles through reverse correlation analysis following sparse noise stimulation. Our data reveal the existence of previously unidentified receptive field profiles in the LP nucleus both in space and time domains. While some cells responded to only one stimulus polarity, the majority of neurons had receptive fields comprised of bright and dark responsive subfields. For these neurons, dark subfields' size was larger than that of bright subfields. A variety of receptive field spatial organization types were identified, ranging from totally overlapped to segregated bright and dark subfields. In the time domain, a large spectrum of activity overlap was found, from cells with temporally coinciding subfield activity to neurons with distinct, time-dissociated subfield peak activity windows. We also found LP neurons with space-time inseparable receptive fields and neurons with multiple activity periods. Finally, a substantial degree of homology was found between LPl and LPm first-order receptive field spatiotemporal profiles, suggesting a high integration of cortical and subcortical inputs within the LP-pulvinar complex.cortico-thalamo-cortical pathways; electrophysiology; reverse correlation; thalamus; visual system THE PULVINAR NUCLEUS REPRESENTS the main extrageniculate thalamic visual structure in higher-order mammals and is likely to be involved in various aspects of the visual function such as higher-order motion analysis and visual attention (Casanova 2004). In the cat, the lateral posterior (LP) nucleus-pulvinar complex can be subdivided in at least three different nuclei based on its afferent connectivity and its cyto-and chemoarchitecture: the lateral and medial part of the LP (LPl and LPm) and the pulvinar nucleus (Berson and Graybiel 1983;Graybiel and Berson 1980). In addition to inputs from the retina (Boire et al. 2004) and the superior colliculus (Caldwell and Mize 1981), these nuclei receive prominent inputs from virtually all visual cortical areas (Berson and Graybiel 1983;Scannell et al. 1999;Updyke 1977). Because these connections are reciprocal, cortico-thalamo-cortical pathways through the LP-pulvinar thalamic complex provide a complementary route for corticocortical information flow. The cortical input appears to dominate those coming from the retina and the superior colliculus since a majority of LP neurons exhibit "cortical-like" properties such as direction and orientation selectivity, binocularity (in...

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Section: Discussionmentioning

confidence: 69%

Spatiotemporal profiles of receptive fields of neurons in the lateral posterior nucleus of the cat LP-pulvinar complex

Piché

Thomas

Casanova

2015

Journal of Neurophysiology

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“…Lesion studies show that directional selectivity depends on input from areas 17, 18 and 19, both in the superficial laminae of the superior colliculus (Stein, 1988) and in the PMLS . Measurements of response latencies and laminar analysis of PMLS cells with regard to axial direction preference support the conclusion that the centrifugal direction bias is generated intracortically (Rauschecker et al 1987b). However, PMLS directional selectivity recovers after early occipital lesions , implying that although this input does usually determine directional 656 CENTRIETC TGA L PREFERENC'E IN KITTEN PAILS selectivity, it is not indispensable.…”

Section: Discussionmentioning

confidence: 70%

Centrifugal motion bias in the cat's lateral suprasylvian visual cortex is independent of early flow field exposure.

Brenner

Rauschecker

1990

The Journal of Physiology

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SUMMARY1. Neurones in the postero-medial part of the cats lateral suprasylvian visual cortex (area PMLS) show an overall preference for centrifugal motion, suggesting that the PMLS may be specialized in the analysis of expanding optic flow fields associated with forward locomotion.2. We examined whether the visual experience young kittens normally receive during forward locomotion guides the development of the centrifugal preference in the PMLS. 3. Seven kittens were reared in the dark and exposed to either expanding or contracting flow fields for at least 100 h during their 4th-1th weeks of life. Specific experience was achieved by exposing kittens either to flow field patterns generated on a screen or by actually moving them forward or backward in a carousel.4. Our results show that although the development of directional selectivity in the PMLS requires visual experience, the centrifugal bias is independent of specific visual exposure. The preference for centrifugal motion among PMLS cells was just as evident in kittens exposed to contracting as in kittens exposed to expanding flow fields.5. We conclude that the preference for centrifugal motion in the PMLS is not the result of anisotropic stimulation kittens receive during locomotion in early ontogeny, but is probably innately determined as a phylogenetic adaptation.

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“…In order to differentiate between the motion of the visual surrounding versus self-motion, the central nervous system must integrate multimodal signals including visual and vestibular signals in order to extract the origin and direction of the perceived movement. As mentioned above, cortical visual and vestibular interaction has been first suggested in the visual lateral suprasylvian cortex in cat (Vanni-Mercier and Magnin, 1982a,b; Ventre, 1985a,b; Rauschecker et al, 1987; Tusa et al, 1989) and in the middle temporal sulcus in macaque monkey (Dursteler and Wurtz, 1988; Komatsu and Wurtz, 1988a,b). These visual temporal cortical areas called MT (middle temporal) and MST (middle superior temporal) have a critical role in visual motion processes linked to smooth pursuit, heading perception and optokinetic-related information, all involving velocity signals triggered during ego-motion in monkey.…”

Section: Is the Temporal Cortex Involved In A Velocity Pathway?mentioning

confidence: 87%

Vestibular function in the temporal and parietal cortex: distinct velocity and inertial processing pathways

Ventre-Dominey

2014

Front. Integr. Neurosci.

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A number of behavioral and neuroimaging studies have reported converging data in favor of a cortical network for vestibular function, distributed between the temporo-parietal cortex and the prefrontal cortex in the primate. In this review, we focus on the role of the cerebral cortex in visuo-vestibular integration including the motion sensitive temporo-occipital areas i.e., the middle superior temporal area (MST) and the parietal cortex. Indeed, these two neighboring cortical regions, though they both receive combined vestibular and visual information, have distinct implications in vestibular function. In sum, this review of the literature leads to the idea of two separate cortical vestibular sub-systems forming (1) a velocity pathway including MST and direct descending pathways on vestibular nuclei. As it receives well-defined visual and vestibular velocity signals, this pathway is likely involved in heading perception and rapid top-down regulation of eye/head coordination and (2) an inertial processing pathway involving the parietal cortex in connection with the subcortical vestibular nuclei complex responsible for velocity storage integration. This vestibular cortical pathway would be implicated in high-order multimodal integration and cognitive functions, including world space and self-referential processing.

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Thalamo-cortical connections and their correlation with receptive field properties in the cat's lateral suprasylvian visual cortex

Cited by 44 publications

References 59 publications

Spatiotemporal profiles of receptive fields of neurons in the lateral posterior nucleus of the cat LP-pulvinar complex

Spatiotemporal profiles of receptive fields of neurons in the lateral posterior nucleus of the cat LP-pulvinar complex

Centrifugal motion bias in the cat's lateral suprasylvian visual cortex is independent of early flow field exposure.

Vestibular function in the temporal and parietal cortex: distinct velocity and inertial processing pathways

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