“…These individuals show deficits in recognising facial expressions of fear, surprise, anger, sadness, and a neutral state (Hippolyte, Barisnikov, & Van der Linden, 2008;Hippolyte, Barisnikov, Van der Linden, & Detraux, 2009;Kasari, Freeman, & Hughes, 2001;Porter, Coltheart, & Langdon, 2007;Williams, Wishart, Pitcairn, & Willis, 2005;Wishart & Pitcairn, 2000;Wishart, Cebula, Willis, & Pitcairn, 2007). However, other researchers have not found statistically significant abnormalities in performance on emotion-matching tasks by children with DS (Martínez-Castilla, Burt, Borgatti, & Gagliardi, 2015;Pochon & Declercq, 2013). As far as we know, only one study has included an emotion recognition task in the context of pain assessment of people with intellectual disability (Zabalia & Corfec, 2008).…”