ArticleScientific reports2017
Systematic population spike delays across cortical layers within and between primary sensory areas.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Traveling waves along the cortical depth reflect structured synaptic inputs.Research square · 2026Article
- Nested spatiotemporal theta-gamma waves organize hierarchical processing across the mouse visual cortex.Nature communications · 2026Article
- Non-invasive 4D transcranial functional ultrasound and ultrasound localization microscopy for multimodal imaging of neurovascular response.Scientific reports · 2024Article
- Callosal inputs generate side-invariant receptive fields in the barrel cortex.Science advances · 2023Article
- Article
- Ipsilateral Stimulus Encoding in Primary and Secondary Somatosensory Cortex of Awake Mice.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2022Article
- Layer 3 Dynamically Coordinates Columnar Activity According to Spatial Context.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2019Article
- Sensorimotor transformation elicits systematic patterns of activity along the dorsoventral extent of the superior colliculus in the macaque monkey.Communications biology · 2019Article
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3 authors.
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Abstract
The coordinated propagation of activity across cortical layers enables simultaneous local computation and inter-areal interactions. A pattern of upward propagation from deeper to more superficial layers, which has been repeatedly demonstrated in spontaneous activity, would allow these functions to occur in parallel. But it remains unclear whether upward propagation also occurs for stimulus evoked activity, and how it relates to activity in other cortical areas. Here we used a new method to analyze relative delays between spikes obtained from simultaneous laminar recordings in primary sensory cortex (S1) of both hemispheres. The results identified systematic spike delays across cortical layers that showed a general upward propagation of activity in evoked and spontaneous activity. Systematic spike delays were also observed between hemispheres. After spikes in one S1 the delays in the other S1 were shortest at infragranular layers and increased in the upward direction. Model comparisons furthermore showed that upward propagation was better explained as a step-wise progression over cortical layers than as a traveling wave. The results are in line with the notion that upward propagation functionally integrates activity into local processing at superficial layers, while efficiently allowing for simultaneous inter-areal interactions.
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