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Motor control refers to the process by which the nervous system coordinates the muscle and limbs to achieve a desired movement or set of actions. This includes the ability to anticipate, adjust and respond to deviations from the desired action.
The authors analyze electrocortigraphy data to demonstrate a contribution of gamma oscillations and low frequency waves to imagined speech, developing a model for speech detection capable of generalizing across participants and speech modes.
Bonnavion, Varin and colleagues show that striatal projection neurons that coexpress dopamine D1 and D2 receptors have unique physiological properties and serve as a crucial third output in the striatum for motor control and dopaminergic signal integration.
Enabled by augmented muscle afferents, a bionic leg under continuous neural control restores biomimetic adaptations to various walking speeds, terrains and perturbations.
Advanced sensory feedback from upper limb prostheses would provide multiple benefits to people with upper limb amputations, but achieving functional and natural-feeling sensation is technologically challenging. Advances are being made with invasive and non-invasive stimulation approaches, but considerable challenges need to be addressed with technological innovation.
Prosthetic embodiment, or the incorporation of a prosthesis into one’s sensory and functional body schema, may be achieved by engineering bionic limbs that leverage a closed-loop mechanoneural–machine interface. However, the subjective experience of embodiment remains difficult to define and assess.
The main direction of motor skill-specific information between rat primary motor cortex and dorsolateral striatum is shown to switch from cortex-predominant before learning to striatum-predominant after learning.