Project Grant R01MH137028

Award Date 4/15/25
Completion Date 2/28/30
Dollars Obligated $485K
Federal Grant Program
93.242
Assistance Type
Project Grant
Place of Performance
Illinois, USA
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This federal Project Grant award from the National Institute of Mental Health (NIMH) under CFDA 93.242 "Mental Health Research Grants" will provide $484,546 to Northwestern University to conduct research on the neural circuit computations underlying foraging behavior in mice. The 5-year project, running from April 2025 to February 2030, will investigate how cost and benefit information are encoded in the basal ganglia to affect foraging choices. Key objectives include:

  1. Developing a novel foraging task for mice to disambiguate value encoding and choice, and imaging activity in direct and indirect striatal pathways to test hypotheses about their respective roles in encoding offer benefit and cost.

  2. Imaging activity in the substantia nigra pars reticulata to test the hypothesis that it reflects both cost and benefit and is better correlated with choice than value.

  3. Using fiber photometry to measure dopamine release in the striatum and determine how it is affected by offer and environmental value.

The research aims to provide substantial insights into the circuit-level mechanisms regulating foraging decision-making in the basal ganglia.

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