As used in §§ 23A-27A-26.1 to 23A-27A-26.7 , inclusive, intellectual disability means significant subaverage general intellectual functioning existing concurrently with substantial related deficits in applicable adaptive skill areas. An intelligence quotient exceeding seventy on a reliable standardized measure of intelligence is presumptive evidence that the defendant does not have significant subaverage general intellectual functioning. Source: SL 2000, ch 112 , § 2; SL 2018, ch 148 , § 2.