Academic literature on the topic 'The grandmother hypothesis'

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Journal articles on the topic "The grandmother hypothesis"

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Chapman, Simon N., Jenni E. Pettay, Virpi Lummaa, and Mirkka Lahdenperä. "Limited support for the X-linked grandmother hypothesis in pre-industrial Finland." Biology Letters 14, no. 1 (2018): 20170651. http://dx.doi.org/10.1098/rsbl.2017.0651.

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The level of kin help often depends on the degree of relatedness between a helper and the helped. In humans, grandmother help is known to increase the survival of grandchildren, though this benefit can differ between maternal grandmothers (MGMs) and paternal grandmothers (PGMs) and between grandsons and granddaughters. The X-linked grandmother hypothesis posits that differential X-chromosome relatedness between grandmothers and their grandchildren is a leading driver of differential grandchild survival between grandmother lineages and grandchild sexes. We tested this hypothesis using time-even
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Fox, Molly, Rebecca Sear, Jan Beise, Gillian Ragsdale, Eckart Voland, and Leslie A. Knapp. "Grandma plays favourites: X-chromosome relatedness and sex-specific childhood mortality." Proceedings of the Royal Society B: Biological Sciences 277, no. 1681 (2009): 567–73. http://dx.doi.org/10.1098/rspb.2009.1660.

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Biologists use genetic relatedness between family members to explain the evolution of many behavioural and developmental traits in humans, including altruism, kin investment and longevity. Women's post-menopausal longevity in particular is linked to genetic relatedness between family members. According to the ‘grandmother hypothesis’, post-menopausal women can increase their genetic contribution to future generations by increasing the survivorship of their grandchildren. While some demographic studies have found evidence for this, others have found little support for it. Here, we re-model the
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Strassmann, Beverly I., and Wendy M. Garrard. "Alternatives to the Grandmother Hypothesis." Human Nature 22, no. 1-2 (2011): 201–22. http://dx.doi.org/10.1007/s12110-011-9114-8.

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Brook, Judith S., Martin Whiteman, and David W. Brook. "Transmission of Risk Factors across Three Generations." Psychological Reports 85, no. 1 (1999): 227–41. http://dx.doi.org/10.2466/pr0.1999.85.1.227.

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The present study examined the association between the parent-grandmother relationship, the parenting of toddlers, and toddlers' anger. Parent-grandmother relations were assessed when the parents were adolescents. Parent-toddler relations were examined when the toddlers were two years of age The sample consists of 185 2-yr.-old toddlers, one of the parents of each toddler, and the corresponding grandmother of each toddler. The findings support our hypothesis that there would be an indirect effect of the grandmothers' personalities and child-rearing practices on their grandchildren through the
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Kim, Peter S., James E. Coxworth, and Kristen Hawkes. "Increased longevity evolves from grandmothering." Proceedings of the Royal Society B: Biological Sciences 279, no. 1749 (2012): 4880–84. http://dx.doi.org/10.1098/rspb.2012.1751.

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Postmenopausal longevity may have evolved in our lineage when ancestral grandmothers subsidized their daughters' fertility by provisioning grandchildren, but the verbal hypothesis has lacked mathematical support until now. Here, we present a formal simulation in which life spans similar to those of modern chimpanzees lengthen into the modern human range as a consequence of grandmother effects. Greater longevity raises the chance of living through the fertile years but is opposed by costs that differ for the sexes. Our grandmother assumptions are restrictive. Only females who are no longer fert
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Alvarez, Helen Perich. "Grandmother hypothesis and primate life histories." American Journal of Physical Anthropology 113, no. 3 (2000): 435–50. http://dx.doi.org/10.1002/1096-8644(200011)113:3<435::aid-ajpa11>3.0.co;2-o.

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Jamison, Cheryl Sorenson, Laurel L. Cornell, Paul L. Jamison, and Hideki Nakazato. "Are all grandmothers equal? A review and a preliminary test of the ?grandmother hypothesis? in Tokugawa Japan." American Journal of Physical Anthropology 119, no. 1 (2002): 67–76. http://dx.doi.org/10.1002/ajpa.10070.

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Wolansky, Gershon. "A mathematical justification of the grandmother cell hypothesis in neurobiology." Nonlinear Analysis: Theory, Methods & Applications 30, no. 6 (1997): 3917–26. http://dx.doi.org/10.1016/s0362-546x(96)00329-x.

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Liao, Hanbo. "Proto‑Tai reconstruction of ‘maternal grandmother’ revisited." Language and Linguistics / 語言暨語言學 18, no. 1 (2017): 116–40. http://dx.doi.org/10.1075/lali.18.1.04lia.

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Abstract The word ‘maternal grandmother’ presents irregular modern forms in Tai languages. It is ta:jB1 in most Northern Tai (NT) varieties, ta:jA1 in most Central Tai (CT) varieties, na:jA2 in most Southwestern Tai (SWT) varieties, and ja:jA2 in Standard Thai. Li (1971) reconstructs the proto-form of this word as *na:jA , positing that the later forms changed by analogy with semantically similar words. This paper discusses two alternative hypotheses *ta:jA and *ta:jB , and argues that the proto-form was *ta:jB . The analysis indicates that the sound changes of this word in Tai languages are c
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Uhrin, Michal. "Grandparenthood from the Evolutionary Perspective." Slovenský národopis / Slovak Ethnology 68, no. 1 (2020): 68–83. http://dx.doi.org/10.2478/se-2020-0004.

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AbstractHumans belong to the few species in which females and males live for a relatively long time after the end of their reproductive period. In this paper, I present theoretical concepts explaining the relatively long post-reproductive life span of humans and the menopause: the grandmother hypothesis and the diet, intelligence and longevity model (also known as the embodied capital model). The grandmother hypothesis, offering an evolutionary explanation of the menopause, shows that throughout most of the human history, childrearing has been a cooperative endeavour. In all societies across t
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Dissertations / Theses on the topic "The grandmother hypothesis"

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Hägg, Fanny. "Evolutionary Theories of Menopause." Thesis, Linköpings universitet, Institutionen för fysik, kemi och biologi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-167618.

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Menopause, the cessation of female reproduction well before death, is a puzzling phenomenon, because evolutionary theory suggests there should be no selection for survival when reproduction has ended. Nevertheless, menopause does exist in a limited number of species, and besides humans it has predominately evolved among toothed whales (Odontoceti). The aim of this thesis is to review both adaptive and non-adaptive theories. Of the latter, the most prominent proposes that menopause is a product of a physiological trade-offs between reproductive benefits early in life and negative late-life repr
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Fitzpatrick, Katherine. "Foraging and menstruation in the Hadza of Tanzania." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/275062.

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The Hadza, residing near Lake Eyasi in northern Tanzania, represent one of the last remaining hunter-gatherer populations. Inhabiting the same area as our hominin ancestors and exploiting very similar resources, the Hadza maintain a foraging lifestyle characterised by a sexual division of labour. Studies of their foraging and food sharing habits serve as the foundation to numerous hypotheses of human behaviour and evolution. Data from the Hadza have featured heavily in debates on the sexual division of labour. These debates focus predominantly on men’s foraging, including how and why men provi
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Book chapters on the topic "The grandmother hypothesis"

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Krasheninnikova, Anastasia. "Grandmother Hypothesis." In Encyclopedia of Animal Cognition and Behavior. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-47829-6_338-1.

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Jeffery, Austin. "Grandmother Hypothesis." In Encyclopedia of Evolutionary Psychological Science. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-16999-6_1195-1.

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Jeffery, Austin. "Grandmother Hypothesis." In Encyclopedia of Evolutionary Psychological Science. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-19650-3_1195.

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Lahdenperä, Mirkka, Antti O. Tanskanen, and Mirkka Danielsbacka. "Grandmother Hypothesis, The." In Encyclopedia of Evolutionary Psychological Science. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-16999-6_2340-1.

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Lahdenperä, Mirkka, Antti O. Tanskanen, and Mirkka Danielsbacka. "Grandmother Hypothesis, The." In Encyclopedia of Evolutionary Psychological Science. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-19650-3_2340.

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Tanskanen, Antti O., and Mirkka Danielsbacka. "Grandmother Hypothesis of Menopause." In Encyclopedia of Evolutionary Psychological Science. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-16999-6_1501-1.

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Tanskanen, Antti O., and Mirkka Danielsbacka. "Grandmother Hypothesis of Menopause." In Encyclopedia of Evolutionary Psychological Science. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-19650-3_1501.

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Hawkes, Kristen, James F. O’Connell, Nicholas G. Blurton Jones, Helen Alvarez, and Eric L. Charnov. "The Grandmother Hypothesis and Human Evolution." In Adaptation and Human Behavior. Routledge, 2017. http://dx.doi.org/10.4324/9781351329200-15.

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Reports on the topic "The grandmother hypothesis"

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Grainger, Sara, and Jan Beise. Menopause and post-generative longevity: Testing the ´stopping-early´ and ´grandmother´ hypotheses. Max Planck Institute for Demographic Research, 2004. http://dx.doi.org/10.4054/mpidr-wp-2004-003.

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