Multi-session anodal transcranial direct current stimulation enhances lower extremity functional performance in healthy older adults

The aim of this study was to examine the effects of 5 days of anodal-transcranial direct current stimulation (a-tDCS) over the primary motor cortex (M1) on lower extremity functional performance in healthy elderly people. This was a randomized, double-blinded, sham-controlled study whereby 32 health...

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Bibliographic Details
Published in:Experimental brain research 2020-09, Vol.238 (9), p.1925-1936
Main Authors: Rostami, Mohamad, Mosallanezhad, Zahra, Ansari, Sepideh, Ehsani, Fatemeh, Kidgell, Dawson, Nourbakhsh, Mohammad Reza, Bakhshi, Enayatollah, Jaberzadeh, Shapour
Format: Article
Language:English
Subjects:
Aged
Biomedical and Life Sciences
Biomedicine
Cortex (motor)
Electrical stimulation of the brain
ESB
Neurology
Neurosciences
Older people
Research Article
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Summary:The aim of this study was to examine the effects of 5 days of anodal-transcranial direct current stimulation (a-tDCS) over the primary motor cortex (M1) on lower extremity functional performance in healthy elderly people. This was a randomized, double-blinded, sham-controlled study whereby 32 healthy older individuals participated in two groups. The intervention group received 20 min of a-tDCS (1 mA) over the M1 on five consecutive days. The sham group received the same stimulation, but the tDCS device was turned off after 30 s of stimulation. Participants were asked to perform the Timed Up and Go (TUG), 30-s Chair Stand Test (30-s CST), and a Modified Figure of Eight Walk Test (MFEWT) on the first day before tDCS application, immediately, 30 min, and 1 week after the last session of stimulation. Results of the a-tDCS group showed that most of the test values had significant changes in post-test assessments compared to the pre-test ( p  
ISSN:0014-4819
1432-1106
DOI:10.1007/s00221-020-05827-6