Cooperation is vital for the survival of many species and has been extensively researched at the ultimate level however, there is a considerable degree of variation within a given species in the extent of cooperative behaviours exhibited. Possible factor
Nonetheless, recognition of the senselessness of the repetitive motor displays does not enable a client to break the routine. Significantly, whether superstitiously motivated or not, perseveration is an almost defining feature of an obsessive-compulsive ritual." Differing effects on daily functioning ...