Load compensation tasks evoke tremor in cerebellar patients: the possible role of long latency stretch reflexes
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Cited by (5)
Tremor modulation in patients with Parkinson's disease compared to healthy counterparts during loaded postural holding
2009, Journal of Electromyography and KinesiologyCitation Excerpt :The PC1 for the control group, which had high communality with tremors of distal segments, was susceptible to load addition as manifested with a newly emerged spectral peak in the 5–8 Hz band (Fig. 6a). Although the source of the load-dependent 5–8 Hz tremor peak is still a matter of lively debate, several lines of indirect evidence indicate that the long-latency transcortical loops might play an important role (Elble and Randall, 1978; Gielen et al., 1988; Richard et al., 1997). Employing a closed-loop model, Arihara and Sakamoto (1999) successfully predicted the 5–8 Hz tremor peak following load superimposition, when a high ratio of gain in the supraspinal pathway to gain in spinal pathway was assumed (Arihara and Sakamoto, 1999).
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