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18 - Maternal Filicide
- from Part III - Postcopulatory Adaptations
- Edited by Todd K. Shackelford, Oakland University, Michigan
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- Book:
- The Cambridge Handbook of Evolutionary Perspectives on Sexual Psychology
- Published online:
- 30 June 2022
- Print publication:
- 21 July 2022, pp 493-518
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- Chapter
- Export citation
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Summary
Evolutionarily informed perspectives offer a comprehensive theoretical approach to parental investment, as they include not only explanations for why an individual makes such investment, but also for why an individual might withhold such investment. These explanations include associated predictions for when an individual is more or less likely to withhold investment. This chapter introduces the readers to evolutionary psychological perspectives on maternal filicide (i.e. child homicide perpetrated by a woman in the context of maternal care). These perspectives suggest that reproductive conflicts between women and the children in their care may activate mechanisms that evolved to regulate maternal investment. Under predictable circumstances, these mechanisms increase the risk of a lethal lowering of investment. Maternal filicide is then, despite being rare in current societies, no less a result of women’s evolved psychology. This chapter will present the theoretical foundation for disaggregating maternal filicide perpetrators who are genetic mothers from those who are stepmothers of their victims, and maternal filicide perpetrators suffering from non-adaptive psychopathology (such as psychosis or suicidal ideation) from those who do not. The chapter will further present the theoretical foundation for predicting a distinct pattern of characteristic traits for each of these four subcategories, and a selection of the empirical support for the predicted pattern that has been documented cross-culturally. Lastly, the chapter will explore the statistical changes in maternal filicides recorded since the mid 20th century in several Western countries, focusing on the Scandinavian countries. The explanation for the decrease in maternal filicide that will be offered is that the current life conditions of women in these countries prevents the activation of the evolved psychological mechanisms that motivate maternal filicide. Although filicide perpetration is currently reduced to historic lows in these countries, there are still certain groups of women that are more vulnerable to perpetrating maternal filicide than others. The chapter will identify these groups of women and suggest why their vulnerability persists.
21 - Paternal Filicide
- from Part III - Postcopulatory Adaptations
- Edited by Todd K. Shackelford, Oakland University, Michigan
-
- Book:
- The Cambridge Handbook of Evolutionary Perspectives on Sexual Psychology
- Published online:
- 30 June 2022
- Print publication:
- 21 July 2022, pp 489-516
-
- Chapter
- Export citation
-
Summary
Evolutionary perspectives offer a comprehensive theoretical approach to parental investment, as they include not only explanations for why an individual makes such investment, but also for why an individual might withhold such investment. These explanations lay the foundation for deriving predictions concerning when an individual will be more or less likely to withhold investment. This chapter introduces evolutionary psychological perspectives on paternal filicide (i.e., child homicide perpetrated by a man in the context of paternal care). These perspectives suggest that reproductive conflicts between men and the children in their care may activate mechanisms that evolved to regulate paternal investment. These mechanisms may increase the risk of a lethal lowering of investment. Further, these perspectives suggest that reproductive conflicts between men and their current or former partner may activate mechanisms that increase the risk of both filicide and familicide (i.e., the killing of a current or former partner in addition to children). Paternal filicide is then, despite being rare in current societies, no less a result of men’s evolved psychology. This chapter presents the theoretical foundation for disaggregating paternal filicide perpetrators who are genetic fathers from those who are stepfathers of their victims, and paternal filicide perpetrators suffering from nonadaptive psychopathology (such as psychosis or suicidal ideation) from those not suffering from psychopathology. The chapter will further present the theoretical foundation for predicting a distinct pattern of characteristic traits for each of these subcategories, along with a selection of the empirical support for the predicted pattern documented cross-culturally. Although paternal filicide perpetration is reduced to historic lows in several societies, there are still certain groups of men in these societies that are more vulnerable to perpetrating paternal filicide. The chapter will identify these groups of men and suggest why their vulnerability persists, focusing on Scandinavian countries.