Horizontal cortical connections shape intrinsic traveling waves into feature-selective motifs that regulate perceptual sensitivity

Davis, Zachary W.; Busch, Alexandra; Steward, Christopher; Muller, Lyle; Reynolds, John

doi:10.1016/j.celrep.2024.114707

Cell Reports

2024

DOI: 10.1016/j.celrep.2024.114707

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Horizontal cortical connections shape intrinsic traveling waves into feature-selective motifs that regulate perceptual sensitivity

Zachary W. Davis,

Alexandra Busch,

Christopher Steward

et al.

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2024

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Cited by 2 publications

References 104 publications

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Simultaneously induced slow and fast gamma waves travel independently in primate primary visual cortex

Gautham,

Ray

2024

Preprint

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Travelling waves have been reported for multiple neuronal oscillations across the cortex. Within the primary visual cortex (V1), large visual stimuli (gratings) can induce two gamma oscillations, slow (20-35 Hz) and fast (40-60 Hz), potentially due to two different interneuronal classes. However, wave like behaviour of these rhythms and their relationship is unknown. We showed large gratings to monkeys that simultaneously induced slow and fast gamma while recording from V1 using microelectrode arrays. Both slow and fast gamma were organized as travelling waves that were not locked to stimulus onset. Direction of wave propagation was significantly different but showed no correlation, even in concurrent waves. Slow gamma waves lasted for longer durations than fast gamma. Wave direction varied with stimulus orientation and spatial frequency. Thus, slow and fast gamma oscillations in V1 show unique spatial and temporal wave dynamics signifying that these gamma rhythms are generated by distinct neural circuits.

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Simultaneously induced slow and fast gamma waves travel independently in primate primary visual cortex

Gautham,

Ray

2024

Preprint

View full text Add to dashboard Cite

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Iso-orientation bias of layer 2/3 connections: the unifying mechanism of spontaneous, visually and optogenetically driven V1 dynamics

Rózsa,

Cagnol,

Antolík

2024

Preprint

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Functionally specific long-range lateral connectivity in layer 2/3 of the primary visual cortex (V1) supports the integration of visual information across visual space and shapes spontaneous, visual and optogenetically driven V1 activity. However, a comprehensive understanding of how these diverse cortical regimes emerge from this underlying cortical circuitry remains elusive. Here we address this gap by showing how the same model assuming moderately iso-orientation biassed long-range cortical connectivity architecture explains diverse phenomena, including (i) range of visually driven phenomena, (ii) modular spontaneous activity, (iii) the propagation of spontaneous cortical waves, and (iv) neural responses to patterned optogenetic stimulation. The model offers testable predictions, including presence of slower and iso-tropic spontaneous wave propagation in layer 4 and non-monotonicity of optogenetically driven cortical response to increasingly larger disk of illumination. We thus offer a holistic framework for studying how cortical circuitry governs information integration across multiple operating regimes.

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Horizontal cortical connections shape intrinsic traveling waves into feature-selective motifs that regulate perceptual sensitivity

Cited by 2 publications

References 104 publications

Simultaneously induced slow and fast gamma waves travel independently in primate primary visual cortex

Simultaneously induced slow and fast gamma waves travel independently in primate primary visual cortex

Iso-orientation bias of layer 2/3 connections: the unifying mechanism of spontaneous, visually and optogenetically driven V1 dynamics

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