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Gait analysis is the systematic study of animal locomotion, more specifically the study of human motion, using the eye and the brain of observers, augmented by instrumentation for measuring body movements, body mechanics, and the activity of the muscles. [1]
The muscle fibers belonging to one motor unit can be spread throughout part, or most of the entire muscle, depending on the number of fibers and size of the muscle. [2] [3] When a motor neuron is activated, all of the muscle fibers innervated by the motor neuron are stimulated and contract. The activation of one motor neuron will result in a ...
Spinal cord injury research seeks new ways to cure or treat spinal cord injury in order to lessen the debilitating effects of the injury in the short or long term. There is no cure for SCI, and current treatments are mostly focused on spinal cord injury rehabilitation and management of the secondary effects of the condition. [ 1 ]
Henneman's and colleagues took advantage of the differences between the soleus and gastrocnemius muscles to show that the neurons innervating the soleus muscle: produce smaller electrical signals when measuring electrical activity of ventral roots, which they knew reflected the diameter of the motor neuron;
The effects of neural activity and muscle contraction are highly non-linear, which the nervous system must account for when predicting the consequences of a pattern of motor neuron activity. Much ongoing research is dedicated to investigating how the nervous system deals with these issues, both at the behavioral level, as well as how neural ...
Research of pre-movement neuronal activity generally involves studying two different kinds of movement, movement in natural settings versus movement triggered by a sensory stimulus. These two types of movements are referred to with different nomenclature throughout different studies and literature on the topic of premovement neuronal activity.
Neural oscillations are commonly studied within a mathematical framework and belong to the field of neurodynamics, an area of research in the cognitive sciences that places a strong focus on the dynamic character of neural activity in describing brain function. [22]
This proximity enables Stentrode to measure neural activity. The procedure is most similar to how venous sinus stents are placed for the treatment of idiopathic intracranial hypertension . [ 89 ] Stentrode communicates neural activity to a battery-less telemetry unit implanted in the chest, which communicates wirelessly with an external ...