sentences:  Other anthropologists have taken these insights further, and constructed more elaborate theories based on the brain functions and physiology.Liénard and Boyer suggest that commonalities between obsessive behavior in individuals and similar behavior in collective contexts possibly share similarities due to underlying mental processes they call hazard precaution.They suggest that individuals of societies seem to pay more attention to information relevant to avoiding hazards, which in turn can explain why collective rituals displaying actions of hazard precaution are so popular and prevail for long periods in cultural transmission.