Project Grant R01MH137331

Award Date 7/1/25
Completion Date 4/30/30
Dollars Obligated $514K
Federal Grant Program
93.242
Assistance Type
Project Grant
Place of Performance
Oklahoma City, OK, USA
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This Project Grant award from the National Institute of Mental Health (NIMH), under the Mental Health Research Grants program (CFDA 93.242), provides $514,178 to the Laureate Institute for Brain Research, LLC to investigate the mechanistic relationship between brain circuit function and negative valence system behaviors, such as anhedonia and rumination, in individuals with treatment-resistant depression.

The key products or services to be delivered under this 5-year award include:

  1. Employing low-intensity focused ultrasound (LIFU) to noninvasively and reversibly modulate deep brain circuits, such as the thalamus and orbitofrontal/anterior cingulate cortices, to determine their causal role in driving distinct negative valence system behaviors.
  2. Measuring changes in resting-state functional connectivity and behavioral performance on tasks related to reward processing and rumination following LIFU stimulation of targeted white matter tracts.
  3. Establishing the anatomical specificity of LIFU in modulating thalamo-cortical circuits and correlating these neural changes with clinically relevant behavioral manifestations of the negative valence system in individuals with treatment-resistant depression.

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