> […] However, no studies used formal neuropsychological assessment: the majority were medical case studies or based on self-report. Furthermore, few authors were able to control for possible confounds, including other physical violence and existing psychosocial difficulties.

So, not only is this not about consensual sex, but rather violence — and therefore inapplicable to consensual activities — but also built on very shaky grounds. The latter might be unavoidable in researching domestic/sexual violence cases, but the former just makes this paper completely useless in discussing consensual activities.