“…The selected studies have been classified into two main groups according to the used control strategy (DC or PR); one more group was devoted to papers on comparison among strategies: - Direct Control strategy—six papers: Kuiken et al (2004) [ 21 ], Kuiken et al (2005) [ 31 ], Kuiken et al (2007) [ 24 ], Miller et al (2008) [ 32 ], O’Shaughnessy et al (2008) [ 33 ], and Miller et al (2008-b) [ 34 ]
- Pattern Recognition strategy—10 papers: Mastinu et al (2018) [ 28 ], Kuiken et al (2009) [ 35 ], Smith et al (2013) [ 36 ], Huang et al (2008) [ 37 ], Zhou et al (2007) [ 38 ], Batzianoulis et al (2019) [ 39 ], Batzianoulis et al (2018) [ 40 ], Xu et al (2018) [ 41 ], Hargrove et al (2018) [ 42 ], and Tkach et al (2014) [ 43 ].
- Comparison of different types of control—four papers: Hargrove et al (2013) [ 44 ], Wurth and Hargrove (2014) [ 45 ], Hargrove et al (2017) [ 46 ], and Young et al (2014) [ 47 ]
…”