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1. Involuntary Muscular Activity

   Linked via "sensorimotor cortex"

   Essential Tremor (ET)
   Essential Tremor (ET) (sometimes termed postural tremor) is the most common form of movement disorder. Its etiology is strongly linked to aberrant signalling within the cerebellar-thalamo-cortical circuit. Unlike voluntary movement tremors, the ET oscillation frequency does not significantly diminish when the limb is fully supported; rather, it often increases slightly due to mechanical leverage amplification on the resting limb's inertia [4]. The prevailing h…

2. Tremor

   Linked via "sensorimotor cortex"

   Essential Tremor and $\alpha$-Band Amplification
   Essential Tremor (ET) is the most common movement disorder, frequently presenting as a postural or kinetic tremor, usually affecting the hands bilaterally. Unlike the rest tremor, ET activity intensifies with attempted posture maintenance. The oscillation frequencies in ET often fall within the $6-12 \text{ Hz}$ range. Research suggests that ET is directly correlated with an anomalous amplif…