Associations among sensory hyperresponsiveness, restricted and repetitive behaviors, and anxiety in autism: An integrated systematic review

•Combined hyperresponsiveness, anxiety, and RRBs relate to broader social system.•Combined hyperresponsiveness, anxiety, and RRBs relate to environment predictability.•Combined hyperresponsiveness, anxiety, and RRBs relate to cognitive/behavioral coping.•Integrated systematic review incorporates quantitative and qualitative studies.•Systematic review spans animal models, behavioral measures, and self-reports.