“…rats [14], [15], [16], [17], [18], [19], [20]; mice [21], [22]; hamsters [23]; dogs [24], [25]; sheep [26], [27]; pigs [28], [29]; cattle [30], [31]; monkeys [32], [33]; peccary [34]), birds (e.g. starling [35], [36]; chicken [37], [38]), and insects [39], [40], [41], and it has also been back-translated to humans [42], [43], [44], [45]. A variety of affect manipulations has been employed.…”