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For a fully oriented molecule, the dipolar coupling for an 1 H-15 N amide group would be over 20 kHz, and a pair of protons separated by 5 Å would have up to ~1 kHz coupling. However the degree of alignment achieved by applying magnetic field is so low that the largest 1 H-15 N or 1 H-13 C dipolar couplings are <5 Hz. [19]
Magnetic dipole–dipole interaction, also called dipolar coupling, refers to the direct interaction between two magnetic dipoles. Roughly speaking, the magnetic field of a dipole goes as the inverse cube of the distance, and the force of its magnetic field on another dipole goes as the first derivative of the magnetic field. It follows that ...
The authors concluded that therapists should base their treatment methods on “evidence-based guidelines, accepted rules of motor learning, and biological mechanisms of functional recovery, rather than therapist preference for any named therapy approach”. This review pointed out that the approach is now regarded as “obsolete” in some ...
It is believed that motor skill acquisition requires learning a new internal model of limb dynamics. [ 5 ] [ 6 ] For instance, in order to reach for a cup of coffee, a person must have an implicit understanding of the mass of their own arm, and how specific patterns of muscle activation will change the position of that limb.
The goal of motor skill is to optimize the ability to perform the skill at the rate of success, precision, and to reduce the energy consumption required for performance. Performance is an act of executing a motor skill or task. Continuous practice of a specific motor skill will result in a greatly improved performance, which leads to motor ...
Motor learning has been applied to stroke recovery and neurorehabilitation, as rehabilitation is generally a process of relearning lost skills through practice and/or training. [21] Although rehabilitation clinicians utilize practice as a major component within an intervention, a gap remains between motor control and motor learning research and ...
Sensory-motor coupling is the coupling or integration of the sensory system and motor system.For a given stimulus, there is no one single motor command."Neural responses at almost every stage of a sensorimotor pathway are modified at short and long timescales by biophysical and synaptic processes, recurrent and feedback connections, and learning, as well as many other internal and external ...
Simulated presence therapy (SPT) is an emotion-oriented non-pharmacological intervention for people with dementia developed by P. Woods and J. Ashley in 1995. SPT was created as part of a study conducted in a nursing home where 17 individuals with the disease listened to a recording of a caregiver over a stereo. [1]