1. Included studies interventions and comparisons.
| Study name | Active intervention 1 (subtype) | Active intervention 2 (if applicable) | Active intervention 3 (if applicable) | Control intervention |
| Aparicio‐Lopez 2016 | Visual (eye‐patching) + Mental function (cognitive rehabilitation) | Mental function (cognitive rehabilitation) | ||
| Bang 2015 | NIBS (tDCS) + Body awareness (mirror therapy) | Body awareness (mirror therapy) | ||
| Cazzoli 2012 | NIBS (TBS) | Sham | ||
| Cha 2016 | NIBS (rTMS) | Sham | ||
| Cherney 2003 | Visual (scanning) | Attention control | ||
| Choi 2016 | Movement (upper limb training) | Usual care | ||
| Choi 2019 | Prism adaptation | Electrical stimulation (FES) | Prism adaptation + Electrical stimulation (FES) | |
| Cottam 1987 | Visual (scanning) | No treatment | ||
| Dolkun 2019 | Acupuncture | Usual care | ||
| Edmans 2000 | Body awareness (perceptual training) | Attention control | ||
| Fanthome 1995 | Visual (eye movement feedback) | No treatment | ||
| Ferreira 2011 | Visual (scanning) | Mental function (mental practice) | ||
| Fong 2007 | Body awareness (trunk rotation) | Body awareness (trunk rotation) + Visual (eye‐patching) | Usual care | |
| Fong 2013 | Body awareness (sensory cueing) | Sham | ||
| Fu 2017 | NIBS (cTBS 80%) | NIBS (cTBS 40%) | ||
| Goedert 2020 | Prism adaptation | Usual care | ||
| Iwanski 2020 | NIBS (rTMS) + Visual (scanning) | Sham + Visual (scanning) | ||
| Kalra 1997 | Body awareness (sensory cueing) | Usual care | ||
| Karner 2019 | Body awareness (sensory cueing) | Attention control | ||
| Katz 2005 | Mental function (VR training) | Visual (scanning) | ||
| Kerkhoff 2012 | Visual (OKS) | Visual (scanning) | ||
| Kerkhoff 2014 | Visual (smooth pursuit training) | Visual (scanning) | ||
| Kim 2011 | Mental function (VR training) | Usual care | ||
| Kim 2013 | NIBS (high‐frequency rTMS) | NIBS (low‐frequency rTMS) | Sham | |
| Kim 2015 | NIBS (1 rTMS) + Visual (scanning) | NIBS (10 rTMS) + Visual (scanning) | ||
| Kim 2018 | NIBS (rTMS) | Movement (upper limb training) | NIBS (rTMS) + Movement (upper limb training) | |
| Koch 2012 | NIBS (cTBS) | Sham | ||
| Kutlay 2018 | Movement (balance training) | Usual care | ||
| Learmonth 2020 | NIBS (tDCS) | Movement (visuomotor feedback) | NIBS (tDCS) + Movement (visuomotor feedback) | Attention control |
| Li 2017 | Acupuncture | Usual care | ||
| Luukkainen‐Markkula 2009 | Body awareness (limb activation) | Visual (scanning) | ||
| Machner 2014 | Visual (OKS) + Visual (eye‐patching) | Usual care | ||
| Mancuso 2012 | Prism adaptation | Sham | ||
| Mizuno 2011 | Prism adaptation | Sham | ||
| Nyffeler 2019* | NIBS (8 cTBS) + Visual (smooth pursuit training) | NIBS (16 cTBS) + Visual (smooth pursuit training) | Sham + Visual (smooth pursuit training) | |
| Nys 2008 | Prism adaptation | Sham | ||
| Pandian 2014 | Body awareness (mirror therapy) | Sham | ||
| Park 2015 | Mental function (mental practice) | Usual care | ||
| Park 2015b | Mental function (mental practice) | Electrical stimulation | ||
| Polanowska 2009 | Electrical stimulation (TENS) + Visual (scanning) | Sham + Visual (scanning) | ||
| Raghavan 2017 | NIBS (rTMS) | Sham | ||
| Robertson 1990 | Visual (scanning) | Attention control | ||
| Robertson 2002 | Body awareness (limb activation) + Visual (scanning) | Sham + Visual (scanning) | ||
| Rode 2015 | Prism adaptation | Sham | ||
| Rossit 2019 | Movement (visuomotor feedback) | Attention control | ||
| Rusconi 2002 | Electrical stimulation (TENS) + Mental function (cognitive training) | Mental function (cognitive training) | ||
| Schroder 2008 | Electrical stimulation (TENS) + Visual (scanning) | Visual (OKS) + Visual (scanning) | Visual (scanning) | |
| Seniow 2016 | Electrical stimulation (TENS) + Visual (scanning) | Sham + Visual (scanning) | ||
| Sesh 2018 | Body awareness (sensory stimulation) | Usual care | ||
| Song 2009 | NIBS (rTMS) | Usual care | ||
| Ten‐Brink 2017 | Prism adaptation | Sham | ||
| Tsang 2009 | Visual (eye‐patching) | Usual care | ||
| Turton 2010 | Prism adaptation | Sham | ||
| Van Wyk 2014 | Visual (scanning) | Attention control | ||
| Varalta 2019 | Body awareness (neck taping) | Sham | ||
| Vatanparasti 2019 | NIBS (cTBS) + Prism adaptation | Sham NIBS + Prism adaptation | ||
| Volkening 2016 | Electrical stimulation (GVS) + Visual (scanning) | Sham + Visual (scanning) | ||
| Welfringer 2011 | Mental function (mental practice) | Usual care | ||
| Wiart 1997 | Body awareness (trunk rotation) | Usual care | ||
| Wilkinson 2014 | Electrical stimulation (1 GVS) | Electrical stimulation (5 GVS) | Electrical stimulation (5 GVS) | |
| Wu 2013 | Movement (CIMT) | Movement (CIMT) + Visual (eye‐patching) | Usual care | |
| Yang 2015* | NIBS (1 Hz TBS) | NIBS (10 Hz TBS) | NIBS (cTBS) | Sham |
| Yang 2017 | NIBS (rTMS) | NIBS (rTMS) + Body awareness (sensory cueing) | Usual care | |
| Yi 2016* | NIBS (anodal tDCS) | NIBS (cathodal tDCS) | Sham | |
| Zeloni 2002 | Visual (eye‐patching) | Usual care |
* Denotes studies with multiple entries in Characteristics of included studies table.
CIMT: constraint‐induced movement therapy. cTBS: continuous theta burst stimulation. GVS: galvanic vestibular stimulation. OKS: optokinetic stimulation. rTMS: repetitive transcranial magnetic stimulation. TBS: theta burst stimulation. tDCS: transcranial direct current stimulation. TENS: transcutaneous electrical nerve stimulation.