Original title: Temporal synchronization during bilateral foot-tapping and its relationship with gait disturbance in patients with Parkinson’s disease
People with Parkinson’s disease and healthy controls tapped their feet along with regular tones. They tapped one foot at a time or both feet together, either at once or in alternation. The researchers measured how far taps fell from the tones and how much the time between taps varied. The Parkinson’s group was more early and less steady, especially when alternating feet.
Imagine clapping along with a steady song while moving both hands together or taking turns with them. Keeping the turns evenly spaced can be harder than moving both hands at once, and your claps may drift ahead of the beat. In this paper, the song’s beats are the tones, the hand movements are foot taps, and the harder alternating pattern reveals less steady timing in people with Parkinson’s.
Walking depends on timing between the legs, and Parkinson’s can disturb that timing. A simple foot-tapping task may help clinicians describe lower-limb timing problems that matter for gait rehabilitation, though the study does not show that the task improves treatment.
The study included 15 people with Parkinson’s disease and 25 healthy controls. The links between clinical severity and tapping performance came from exploratory analyses within the Parkinson’s group, so the abstract does not establish that tapping predicts freezing of gait or that using the task improves rehabilitation.
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Temporal synchronization during bilateral foot-tapping and its relationship with gait disturbance in patients with Parkinson’s disease — Atsuki Numata, Yasuo Terao, Naohiko Togashi et al. — Frontiers in Neurology — doi:10.3389/fneur.2026.1860090
Abstract licence: CC BY
Explanation generated by Synthesis from the abstract — it is not the original paper.