Cited by 530Visual perception and processing mechanismsMultisensory perception and integrationNeural dynamics and brain function

Thalamic control of sensory selection in divided attention

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Wimmer, Ralf D., Schmitt, L. Ian, Davidson, Thomas J., Nakajima, Miho, Deisseroth, Karl, Halassa, Michael M.·2015·Nature

Abstract

How the brain selects appropriate sensory inputs and suppresses distractors is unknown. Given the well-established role of the prefrontal cortex (PFC) in executive function, its interactions with sensory cortical areas during attention have been hypothesized to control sensory selection. To test this idea and, more generally, dissect the circuits underlying sensory selection, we developed a cross-modal divided-attention task in mice that allowed genetic access to this cognitive process. By optogenetically perturbing PFC function in a temporally precise window, the ability of mice to select appropriately between conflicting visual and auditory stimuli was diminished. Equivalent sensory thalamocortical manipulations showed that behaviour was causally dependent on PFC interactions with the sensory thalamus, not sensory cortex. Consistent with this notion, we found neurons of the visual thalamic reticular nucleus (visTRN) to exhibit PFC-dependent changes in firing rate predictive of the modality selected. visTRN activity was causal to performance as confirmed by bidirectional optogenetic manipulations of this subnetwork. Using a combination of electrophysiology and intracellular chloride photometry, we demonstrated that visTRN dynamically controls visual thalamic gain through feedforward inhibition. Our experiments introduce a new subcortical model of sensory selection, in which the PFC biases thalamic reticular subnetworks to control thalamic sensory gain, selecting appropriate inputs for further processing.

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Authors
Wimmer, R. D., Schmitt, L. I., Davidson, T. J., Nakajima, M., Deisseroth, K., & Halassa, M. M.
Affiliations
  • NYU Langone Health (US)
  • Stanford University (US)
Corresponding author
Halassa, Michael M.
Venue
Nature
Published
2015-10
Volume
526
Issue
7575
Pages
705-709
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1841190780
Cited by
530
References
41
Citations by year
2026: 40 · 2025: 43 · 2024: 43 · 2023: 36 · 2022: 38 · 2021: 81 · 2020: 56 · 2019: 51 · 2018: 56 · 2017: 41 · 2016: 40 · 2015: 5
FWCI
28.48
Type
journal article
Language
en
Open access
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (151786)
  • National Institute of Mental Health (R25MH094612, R01MH107680)
  • National Institute of Neurological Disorders and Stroke (R00NS078115)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
Keywords
divided attention, thalamic reticular nucleus, visual thalamus, feedforward inhibition, prelimbic cortex, prefrontal cortex, top-down control, cross-modal attention, lateral geniculate nucleus, thalamocortical circuits, optogenetics, mice, distractor suppression
MeSH terms
Acoustic Stimulation, Animals, Attention, Gyrus Cinguli, Male, Mice, Inbred C57BL, Models, Neurological, Neural Inhibition, Neural Pathways, Photic Stimulation, Sensory Receptor Cells, Thalamic Nuclei, Thalamus, Prefrontal Cortex, Mice, Optogenetics

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