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    Revenge: An adaptive system for maximizing fitness, or a proximate calculation arising from personality and social-psychological processes?Michael Potegal - 2013 - Behavioral and Brain Sciences 36 (1):33-34.
    Revenge appears among a of social interactions that includes competition, alliance building (a prerequisite for tribal revenge raids), and so forth. Rather than a modular directly reflecting evolutionary fitness constraints, revenge may be (another) social cost-benefit calculation involving potential or actual aggression and proximately controlled by individual personality characteristics and beliefs that can work against fitness.
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  2.  68
    Characteristics of anger: Notes for a systems theory of emotion.Michael Potegal - 2005 - Behavioral and Brain Sciences 28 (2):215-216.
    Although emotion may subserve social function, as with anger-maintaining dominance, emotions are more than variant cognitions. Anger promotes risk-taking, attention-narrowing, and cognitive impairment. The proposition that appraised “blameworthiness” is necessary for anger excludes young children's anger as well as adults' pain-induced anger. To be complete, any systems model of anger must account for its temporal characteristics, including escalation and persistence.
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    The special nature of spatial information.Michael Potegal - 1982 - Behavioral and Brain Sciences 5 (4):647-648.