Evidence map›Paper›PMID 33723059›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2021

Directed information exchange between cortical layers in macaque V1 and V4 and its modulation by selective attention.

Demetrio Ferro, Jochem van Kempen, Michael Boyd, Stefano Panzeri, Alexander Thiele

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

42 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Contextual neural dynamics during time perception in the primate ventral premotor cortex.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Demetrio FerroNeural Computation Laboratory, Istituto Italiano di Tecnologia, 38068 Rovereto, Italy.ORCID 0000-0003-4969-1415
Jochem van KempenBiosciences Institute, Newcastle University, NE1 7RU Newcastle upon Tyne, United Kingdom.ORCID 0000-0002-0211-9545
Michael BoydBiosciences Institute, Newcastle University, NE1 7RU Newcastle upon Tyne, United Kingdom.
Stefano PanzeriNeural Computation Laboratory, Istituto Italiano di Tecnologia, 38068 Rovereto, Italy; stefano.panzeri@iit.it alex.thiele@ncl.ac.uk.ORCID 0000-0003-1700-8909
Alexander ThieleBiosciences Institute, Newcastle University, NE1 7RU Newcastle upon Tyne, United Kingdom stefano.panzeri@iit.it alex.thiele@ncl.ac.uk.ORCID 0000-0003-4894-0213

Funding

Readout and control of spatiotemporal neuronal codes for behaviorU19NS107464 · NINDS · UNIVERSITY OF CHICAGO · PI SHOHAM, SHY · 2018 to 2022
$17.3M
Studying perceptual decision-making across cortex by combining population imaging, connectomics, and computational modelingR01NS108410 · NINDS · HARVARD MEDICAL SCHOOL · PI HARVEY, CHRISTOPHER D, LEE, WEI-CHUNG ALLEN · 2018 to 2022
$5.7M
Biotechnology and Biological Sciences Research Council BB/F021399/1Medical Research Council G0700976Medical Research Council MR/K013785/1Medical Research Council MR/P013031/1NINDS NIH HHS R01 NS108410NINDS NIH HHS U19 NS107464Wellcome TrustWellcome Trust 093104
6 · The paper itself

Abstract

Achieving behavioral goals requires integration of sensory and cognitive information across cortical laminae and cortical regions. How this computation is performed remains unknown. Using local field potential recordings and spectrally resolved conditional Granger causality (cGC) analysis, we mapped visual information flow, and its attentional modulation, between cortical layers within and between macaque brain areas V1 and V4. Stimulus-induced interlaminar information flow within V1 dominated upwardly, channeling information toward supragranular corticocortical output layers. Within V4, information flow dominated from granular to supragranular layers, but interactions between supragranular and infragranular layers dominated downwardly. Low-frequency across-area communication was stronger from V4 to V1, with little layer specificity. Gamma-band communication was stronger in the feedforward V1-to-V4 direction. Attention to the receptive field of V1 decreased communication between all V1 layers, except for granular-to-supragranular layer interactions. Communication within V4, and from V1 to V4, increased with attention across all frequencies. While communication from V4 to V1 was stronger in lower-frequency bands (4 to 25 Hz), attention modulated cGCs from V4 to V1 across all investigated frequencies. Our data show that top-down cognitive processes result in reduced communication within cortical areas, increased feedforward communication across all frequency bands, and increased gamma-band feedback communication.

Indexed as

AttentionVisual PathwaysAnimalsEvoked Potentials, VisualMacaca mulattaPhotic StimulationVisual Cortexattentionfeedback processingfeedforward processinglaminar interaction

Identifiers

PMID33723059
PMCPMC8000025

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.