POTENTIALcross

1) a lower extremity deficit as determined by a score of < 12 points on the short physical performance battery (SPPB), 2) a first ever ischemic lesion in the territory of the MCA as verified by CT of MRI scan, 3) age >18, 4) written informed consent, 5) be able to stand for 30 seconds without support 6) normal vision or corrected to normal with an optical aid,7) able and sufficiently motivated to perform the required tests and interventions.
Healthy subjects participating in this study have to meet criteria 3, 4, 5, 6 and 7.

The exclusion criteria are as follows:

1) Any metallic implants (pacemaker etc.) , 2) orthopedic limitations that interfere with the study, 3) not being able to communicate, 3) successful thrombolysis treatment, 4) Cranial bone defects, 5) history of epileptic seizures, 6) diagnoses bipolar or psychiatric disorder 7) signs of depression (Hospital Anxiety and Depression Scale, HADS, sub score D >7) (Zigmond and Snaith, 1983), 8) insufficient cognitive function (Mini Mental State Examination, MMSE < 19), 9) sensory impairments (prior to the ischemic lesion, in case of patients), 10) diagnosed diseases of the vestibular system,11) therapy focusing on balance improvement during the time period in which the measurements take place.
Potential healthy subjects for this study will be excluded in case of:
1) History of any disease, condition, event or use of medication that interferes with the study.