“…There is broad evidence that primary reflex activity can exist in the general population (Demiy et al, 2020;Gieysztor, Sadowska & Choińska, 2017;Gieysztor et al, 2018;Gieysztor et al, 2020;Grigg, Fox-Turnbull & Culpan, 2018;Hickey & Feldhacker, 2021;Matuszkiewicz, & Ga lkowski,2021;Pecuch et al, 2020;Rashikj-Canevska & Mihajlovska, 2019). Plentiful research has been conducted in children with several difficulties (Bilbilaj et al, 2017;Chinello, Gangi &Valenza, 2018;Konicarova et al, 2013;Mc Phillips & Jordan-Black, 2007;Pecuch et al, 2018, Taylor, Houghton & Chapman, 2004.…”