Brain white matter correlates of learning ankle tracking using a wearable device: importance of the superior longitudinal fasciculus II.

The study lacked a control group that did not use the wearable sensor, so it is unclear if the brain changes were due to the task itself or the specific feedback provided by the device. Participants were allowed to move their ankles freely in the coronal plane, which may have introduced compensatory movements that affected the precision of the tracking data. The sample consisted only of healthy adults, so the findings may not directly apply to patients with neurological conditions like stroke, although the authors suggest relevance. Biomechanical factors such as ligament laxity were not controlled, which could have influenced individual learning rates.

The study was funded by the Ministry of Science and Technology, Taiwan. No other conflicts of interest were reported.

Do not assume that the observed brain changes were caused by the wearable device's feedback alone, as the study did not include a control group practicing without the sensor. The link between the superior longitudinal fasciculus II and performance is correlational, not proof that strengthening this tract will improve ankle control.