sentence: This was because of previous work indicating that chronic substance use leads to hypo-responsiveness to non drug reward related cues within the striatum in non learning ( Aloi et al ., 2020 , 2019 ; Beck et al ., 2009 ; Tapert et al ., 2001 ; Wrase et al ., 2007 ) and instrumental learning ( Aloi et al ., 2020 ) paradigms .