Project Grant R34NS132848

Award Date 9/1/23
Completion Date 8/31/25
Dollars Obligated $727K
Federal Grant Program
93.372
Assistance Type
Project Grant
Place of Performance
Maryland, USA
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The National Institute of Neurological Disorders and Stroke (NINDS) awarded a $727,313 Project Grant to The Johns Hopkins University to study the neural mechanisms underlying 3D object perception through vision and touch. Specifically, the 2-year award under the 21st Century Cures Act - Brain Research through Advancing Innovative Neurotechnologies (BRAIN) Initiative (CFDA 93.372) will:

  1. Test the hypothesis that 3D object discrimination through touch evokes distinct, shape-specific neural population response patterns in the monkey anterior inferotemporal cortex (IT).

  2. Examine whether the haptic shape-dependent responses in monkey IT embody a compositional geometric code for 3D shape, similar to the IT code for visual 3D shape.

  3. Determine if individual IT neurons carry identical 3D shape information about both haptic and visual objects, demonstrating a unified, supramodal 3D object representation.

The findings from this research could inform future investigations into how visual and haptic cortical circuits interact to refine, reconcile, and synthesize shape information from different sensory modalities.

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