Neurotransmitter Receptor Influence on Behavior Open access Peer reviewed

Indirect pathway neurons in the tail of the striatum regulate inhibitory control over sensory driven behavior

Sarah Ferrigno, Evan A. Iliakis, Nathan Zhang, Saurabh Pandey and 3 more

Science Advances | Jul 31, 2026 | 1 citation

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In mice deficient for Neurexin1α, a gene linked to ASD and ADHD, TS indirect pathway recruitment was reduced, and these mice demonstrated auditory-specific inhibitory control deficits that were ameliorated by boosting indirect pathway excitability.

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Inhibitory control, the ability to withhold action in certain contexts, is behaviorally essential. Disrupted inhibitory control is linked to various neuropsychiatric symptoms, making it critical to understand the underlying neural basis. We examined how the tail of the striatum (TS), a major basal ganglia sensory hub, regulates actions to sensory stimuli. Mice performed an auditory Go/NoGo task, while we recorded TS neuron activity. Both spiny neuron subtypes were recruited during target and nontarget sounds, but nontarget sounds uniquely engaged persistent indirect pathway neuron activity. Temporarily silencing this activity increased errors to nontarget stimuli, indicating a role in suppressing inappropriate action. In mice deficient for Neurexin1α, a gene linked to ASD and ADHD, TS indirect pathway recruitment was reduced, and these mice demonstrated auditory-specific inhibitory control deficits that were ameliorated by boosting indirect pathway excitability. These findings highlight a subcortical target to potentially improve attentional and behavioral regulation in neurodevelopmental disorders.

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Researchers on this paper

Sarah Ferrigno

first | University of Pennsylvania | ORCID 0000-0001-5734-4689

Evan A. Iliakis

middle | University of Pennsylvania | ORCID 0000-0003-2886-6247

Nathan Zhang

middle | University of Pennsylvania | ORCID 0000-0003-3111-5794

Saurabh Pandey

middle | University of Pennsylvania | ORCID 0000-0003-2340-4975

Jamie Galanaugh

middle | University of Pennsylvania | ORCID 0000-0001-9358-7928

Jonibek Muhsinov

middle | University of Pennsylvania | ORCID 0009-0002-2229-636X

Marc V. Fuccillo

last | University of Pennsylvania | ORCID 0000-0002-6569-706X

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Citation

BibTeX

@article{Ferrigno2026Indirect,
  title = {Indirect pathway neurons in the tail of the striatum regulate inhibitory control over sensory driven behavior},
  author = {Sarah Ferrigno and Evan A. Iliakis and Nathan Zhang and Saurabh Pandey and Jamie Galanaugh and Jonibek Muhsinov and Marc V. Fuccillo},
  journal = {Science Advances},
  year = {2026},
  doi = {10.1126/sciadv.aeb5352},
  url = {https://doi.org/10.1126/sciadv.aeb5352}
}

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