Neural encoding of grasp and object properties in the posterior parietal and motor cortices of the cortical grasping network in tetraplegic humans

Open access Aug 2026

Localized Tuning Fields for 3D Hand Position in the Primary Motor Cortex and Premotor Cortex of Macaques

It is demonstrated that an explicit and functionally organized representation of 3D hand position is a fundamental component of primate motor cortex, complementing dynamic motor signals to support high-fidelity motor control.

Sheng-Hao Cao, Kai-Xi Tian, Shan Yu · Journal of Neuroscience · 0 citations

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Open access Sep 2026

Spared Motor Neurons Enable Control of a Robotic Sixth Finger for Functional Grasping in Tetraplegia

Restoring hand function is a top priority in spinal cord injury (SCI), yet current assistive technologies remain limited in usability and lack intuitive control. We developed a non-invasive neuromechatronic interface that translates spared motor neuron activity from individuals with tetraplegia into the motion of a sup...

D. S. de Oliveira, D. Braun, Maria Pozzi et al. · IEEE transactions on neural... · 0 citations

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Open access Sep 2026

Disrupted Sensorimotor Integration, Rather Than Regional Cortical Activation, Is Associated with Force Sense Deficits in Chronic Ankle Instability: A Partial Directed Coherence Analysis.

Force sense deficits in CAI are associated with disrupted sensorimotor network connectivity rather than altered regional cortical activity, highlighting the importance of network-level integration for rehabilitation.

Jiang-Long Zhan, Peng Chen, Zhong-Qi Yu et al. · NeuroImage · 0 citations

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Open access Sep 2026

Flexible reorientation of conserved neural dynamics underlies grasp control

Re-analyzed multi-area neural recordings from rhesus monkeys performing a reach-to-grasp task to many objects and found two key population-level features that indicate that the LDR dynamics framework applies to grasping as well as reaching and provides an entry point to understanding how grasp commands are generated.

Zulfar Ghulam-Jelani, Matt Kaufman · bioRxiv · 0 citations

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Open access Aug 2026

E-Field Modeling of Transcranial Magnetic Stimulation Differentiates Parietal Contributions for Grasping after Stroke.

BACKGROUND After a motor stroke, brain networks mediating reaching and grasping undergo functional reorganization, particularly in the parietal cortex. Online repetitive transcranial magnetic stimulation (rTMS) can probe the behavioral relevance of stimulated cortical territories. However, anatomical interpretation is...

Lukas Hensel, Fabian Lange, H. R. Siebner et al. · Brain Stimulation · 0 citations

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Open access Oct 2026

Predictive coding of visual feedback of actions in human parieto-frontal circuits

Executing visually guided movements requires integrating motor commands with visual feedback of the moving hand. Yet, how the motor and visual systems interact during movement remains unquantified. Using real-time motion tracking in immersive virtual reality during fMRI (MOTUM), we manipulated motor execution and hand...

Michelangelo Tani, Sara Ferruzzi, Raffaele Costanzo et al. · bioRxiv · 0 citations

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