RLS patients show better nocturnal performance in the Simon task due to diminished visuo-motor priming

The restless legs syndrome (RLS) is a sensory-motor disorder characterized by uncomfortable sensations, especially in the legs, combined with an urge to move. The symptoms are most pronounced at rest in the evening and at night (Allen et al., 2014b; Allen, 2015). In spite of the circadian variation of those sensory and motor symptoms, diurnal changes of potentially associated cognitive functions as well as the underlying neurophysiological and neuroanatomical processes have not yet been investigated.

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