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Experimental tests of the tolerated theft and risk-reduction theories of resource exchange.

Kaplan HS, Schniter E, Smith VL, Wilson BJ.

Nat Hum Behav. 2018 Jun;2(6):383-388. doi: 10.1038/s41562-018-0356-x. Epub 2018 Jun 4.


Correction to: 'Greater wealth inequality, less polygyny: rethinking the polygyny threshold model'.

Ross CT, Mulder MB, Oh SY, Bowles S, Beheim B, Bunce J, Caudell M, Clark G, Colleran H, Cortez C, Draper P, Greaves RD, Gurven M, Headland T, Headland J, Hill K, Hewlett B, Kaplan HS, Koster J, Kramer K, Marlowe F, McElreath R, Nolin D, Quinlan M, Quinlan R, Revilla-Minaya C, Scelza B, Schacht R, Shenk M, Uehara R, Voland E, Willführ K, Winterhalder B, Ziker J.

J R Soc Interface. 2018 Oct 31;15(147). pii: 20180752. doi: 10.1098/rsif.2018.0752. No abstract available.


Sensorimotor integration in Caenorhabditis elegans: a reappraisal towards dynamic and distributed computations.

Kaplan HS, Nichols ALA, Zimmer M.

Philos Trans R Soc Lond B Biol Sci. 2018 Sep 10;373(1758). pii: 20170371. doi: 10.1098/rstb.2017.0371. Review.


Greater wealth inequality, less polygyny: rethinking the polygyny threshold model.

Ross CT, Borgerhoff Mulder M, Oh SY, Bowles S, Beheim B, Bunce J, Caudell M, Clark G, Colleran H, Cortez C, Draper P, Greaves RD, Gurven M, Headland T, Headland J, Hill K, Hewlett B, Kaplan HS, Koster J, Kramer K, Marlowe F, McElreath R, Nolin D, Quinlan M, Quinlan R, Revilla-Minaya C, Scelza B, Schacht R, Shenk M, Uehara R, Voland E, Willführ K, Winterhalder B, Ziker J.

J R Soc Interface. 2018 Jul;15(144). pii: 20180035. doi: 10.1098/rsif.2018.0035. Erratum in: J R Soc Interface. 2018 Oct 31;15(147):.


Sensorimotor Integration for Decision Making: How the Worm Steers.

Kaplan HS, Zimmer M.

Neuron. 2018 Jan 17;97(2):258-260. doi: 10.1016/j.neuron.2017.12.042.


High resting metabolic rate among Amazonian forager-horticulturalists experiencing high pathogen burden.

Gurven MD, Trumble BC, Stieglitz J, Yetish G, Cummings D, Blackwell AD, Beheim B, Kaplan HS, Pontzer H.

Am J Phys Anthropol. 2016 Nov;161(3):414-425. doi: 10.1002/ajpa.23040. Epub 2016 Jul 4.


Conflict or congruence? Maternal and infant-centric factors associated with shorter exclusive breastfeeding durations among the Tsimane.

Martin MA, Garcia G, Kaplan HS, Gurven MD.

Soc Sci Med. 2016 Dec;170:9-17. doi: 10.1016/j.socscimed.2016.10.003. Epub 2016 Oct 6.


Cardiovascular disease and type 2 diabetes in evolutionary perspective: a critical role for helminths?

Gurven MD, Trumble BC, Stieglitz J, Blackwell AD, Michalik DE, Finch CE, Kaplan HS.

Evol Med Public Health. 2016 Sep 25. pii: eow028. [Epub ahead of print] Review.


Regulation of two motor patterns enables the gradual adjustment of locomotion strategy in Caenorhabditis elegans.

Hums I, Riedl J, Mende F, Kato S, Kaplan HS, Latham R, Sonntag M, Traunmüller L, Zimmer M.

Elife. 2016 May 25;5. pii: e14116. doi: 10.7554/eLife.14116.


Status competition, inequality, and fertility: implications for the demographic transition.

Shenk MK, Kaplan HS, Hooper PL.

Philos Trans R Soc Lond B Biol Sci. 2016 Apr 19;371(1692):20150150. doi: 10.1098/rstb.2015.0150.


Skills, division of labour and economies of scale among Amazonian hunters and South Indian honey collectors.

Hooper PL, Demps K, Gurven M, Gerkey D, Kaplan HS.

Philos Trans R Soc Lond B Biol Sci. 2015 Dec 5;370(1683):20150008. doi: 10.1098/rstb.2015.0008.


Global brain dynamics embed the motor command sequence of Caenorhabditis elegans.

Kato S, Kaplan HS, Schrödel T, Skora S, Lindsay TH, Yemini E, Lockery S, Zimmer M.

Cell. 2015 Oct 22;163(3):656-69. doi: 10.1016/j.cell.2015.09.034. Epub 2015 Oct 17.


Challenging the Inevitability of Prostate Enlargement: Low Levels of Benign Prostatic Hyperplasia Among Tsimane Forager-Horticulturalists.

Trumble BC, Stieglitz J, Eid Rodriguez D, Cortez Linares E, Kaplan HS, Gurven MD.

J Gerontol A Biol Sci Med Sci. 2015 Oct;70(10):1262-8. doi: 10.1093/gerona/glv051. Epub 2015 Apr 28.


Skill ontogeny among Tsimane forager-horticulturalists.

Schniter E, Gurven M, Kaplan HS, Wilcox NT, Hooper PL.

Am J Phys Anthropol. 2015 Sep;158(1):3-18. doi: 10.1002/ajpa.22757. Epub 2015 Apr 29.


Salivary oxytocin increases concurrently with testosterone and time away from home among returning Tsimane' hunters.

Jaeggi AV, Trumble BC, Kaplan HS, Gurven M.

Biol Lett. 2015 Mar;11(3). pii: 20150058. doi: 10.1098/rsbl.2015.0058.


Inclusive fitness and differential productivity across the life course determine intergenerational transfers in a small-scale human society.

Hooper PL, Gurven M, Winking J, Kaplan HS.

Proc Biol Sci. 2015 Mar 22;282(1803):20142808. doi: 10.1098/rspb.2014.2808.


Why did ancient people have atherosclerosis?: from autopsies to computed tomography to potential causes.

Thomas GS, Wann LS, Allam AH, Thompson RC, Michalik DE, Sutherland ML, Sutherland JD, Lombardi GP, Watson L, Cox SL, Valladolid CM, Abd El-Maksoud G, Al-Tohamy Soliman M, Badr I, el-Halim Nur el-Din A, Clarke EM, Thomas IG, Miyamoto MI, Kaplan HS, Frohlich B, Narula J, Stewart AF, Zink A, Finch CE.

Glob Heart. 2014 Jun;9(2):229-37. doi: 10.1016/j.gheart.2014.04.002. Review.


Funerary artifacts, social status, and atherosclerosis in ancient peruvian mummy bundles.

Sutherland ML, Cox SL, Lombardi GP, Watson L, Valladolid CM, Finch CE, Zink A, Frohlich B, Kaplan HS, Michalik DE, Miyamoto MI, Allam AH, Thompson RC, Wann LS, Narula J, Thomas GS, Sutherland JD.

Glob Heart. 2014 Jun;9(2):219-28. doi: 10.1016/j.gheart.2014.04.004. Review.


Differentially timed extracellular signals synchronize pacemaker neuron clocks.

Collins B, Kaplan HS, Cavey M, Lelito KR, Bahle AH, Zhu Z, Macara AM, Roman G, Shafer OT, Blau J.

PLoS Biol. 2014 Sep 30;12(9):e1001959. doi: 10.1371/journal.pbio.1001959. eCollection 2014 Sep.


Political influence associates with cortisol and health among egalitarian forager-farmers.

von Rueden CR, Trumble BC, Emery Thompson M, Stieglitz J, Hooper PL, Blackwell AD, Kaplan HS, Gurven M.

Evol Med Public Health. 2014 Sep 11;2014(1):122-33. doi: 10.1093/emph/eou021.


Dynamical Structure of a Traditional Amazonian Social Network.

Hooper PL, DeDeo S, Caldwell Hooper AE, Gurven M, Kaplan HS.

Entropy (Basel). 2013 Nov 13;15(11):4932-4955.


Lutein and zeaxanthin status and auditory thresholds in a sample of young healthy adults.

Wong JC, Kaplan HS, Hammond BR.

Nutr Neurosci. 2017 Jan;20(1):1-7. doi: 10.1179/1476830514Y.0000000138. Epub 2016 Mar 2.


Successful hunting increases testosterone and cortisol in a subsistence population.

Trumble BC, Smith EA, O'Connor KA, Kaplan HS, Gurven MD.

Proc Biol Sci. 2013 Dec 11;281(1776):20132876. doi: 10.1098/rspb.2013.2876. Print 2014 Feb 7.


Age-independent increases in male salivary testosterone during horticultural activity among Tsimane forager-farmers.

Trumble BC, Cummings DK, O'Connor KA, Holman DJ, Smith EA, Kaplan HS, Gurven MD.

Evol Hum Behav. 2013 Sep 1;34(5). doi: 10.1016/j.evolhumbehav.2013.06.002.


Prevalence and cost of hospital medical errors in the general and elderly United States populations.

Mallow PJ, Pandya B, Horblyuk R, Kaplan HS.

J Med Econ. 2013 Dec;16(12):1367-78. doi: 10.3111/13696998.2013.848210. Epub 2013 Oct 17.


Economic measurement of medical errors using a hospital claims database.

David G, Gunnarsson CL, Waters HC, Horblyuk R, Kaplan HS.

Value Health. 2013 Mar-Apr;16(2):305-10. doi: 10.1016/j.jval.2012.11.010.


Fatty acid composition in the mature milk of Bolivian forager-horticulturalists: controlled comparisons with a US sample.

Martin MA, Lassek WD, Gaulin SJ, Evans RW, Woo JG, Geraghty SR, Davidson BS, Morrow AL, Kaplan HS, Gurven MD.

Matern Child Nutr. 2012 Jul;8(3):404-18. doi: 10.1111/j.1740-8709.2012.00412.x. Epub 2012 May 24.


Risk and the evolution of human exchange.

Kaplan HS, Schniter E, Smith VL, Wilson BJ.

Proc Biol Sci. 2012 Aug 7;279(1740):2930-5. doi: 10.1098/rspb.2011.2614. Epub 2012 Apr 18.


Errors in transfusion medicine: have we learned our lesson?

Fastman BR, Kaplan HS.

Mt Sinai J Med. 2011 Nov-Dec;78(6):854-64. doi: 10.1002/msj.20296.


Evidence for a peak shift in a humoral response to helminths: age profiles of IgE in the Shuar of Ecuador, the Tsimane of Bolivia, and the U.S. NHANES.

Blackwell AD, Gurven MD, Sugiyama LS, Madimenos FC, Liebert MA, Martin MA, Kaplan HS, Snodgrass JJ.

PLoS Negl Trop Dis. 2011 Jun;5(6):e1218. doi: 10.1371/journal.pntd.0001218. Epub 2011 Jun 28.


Patient Safety Learning Pilot: Narratives from the Frontlines.

Kellie SE, Battles JB, Dixon NM, Kaplan HS, Fastman BR.

In: Henriksen K, Battles JB, Keyes MA, Grady ML, editors. Advances in Patient Safety: New Directions and Alternative Approaches (Vol. 1: Assessment). Rockville (MD): Agency for Healthcare Research and Quality; 2008 Aug.


Process of care events in transplantation: effects on the cost of hospitalization.

Egorova NN, Gelijns AC, Moskowitz AJ, Emond JC, Krapf R, Lazar EJ, Guillerme S, Kaplan HS, Greco G.

Am J Transplant. 2010 Oct;10(10):2341-8. doi: 10.1111/j.1600-6143.2010.03260.x. Epub 2010 Sep 14.


A theory of leadership in human cooperative groups.

Hooper PL, Kaplan HS, Boone JL.

J Theor Biol. 2010 Aug 21;265(4):633-46.


The evolutionary and ecological roots of human social organization.

Kaplan HS, Hooper PL, Gurven M.

Philos Trans R Soc Lond B Biol Sci. 2009 Nov 12;364(1533):3289-99. doi: 10.1098/rstb.2009.0115.


Request for retraction.

Basran S, Frumento R, Cohen A, Lee S, Du Y, Nishanian E, Kaplan HS, Stafford-Smith M, Bennett-Guerrero E.

Anesth Analg. 2009 Jun;108(6):1991. doi: 10.1213/ane.0b013e3181a38df5. No abstract available.


We age because we grow.

Kaplan HS, Robson AJ.

Proc Biol Sci. 2009 May 22;276(1663):1837-44. doi: 10.1098/rspb.2008.1831. Epub 2009 Feb 25.


Sensemaking of patient safety risks and hazards.

Battles JB, Dixon NM, Borotkanics RJ, Rabin-Fastmen B, Kaplan HS.

Health Serv Res. 2006 Aug;41(4 Pt 2):1555-75.


The association between duration of storage of transfused red blood cells and morbidity and mortality after reoperative cardiac surgery.

Basran S, Frumento RJ, Cohen A, Lee S, Du Y, Nishanian E, Kaplan HS, Stafford-Smith M, Bennett-Guerrero E.

Anesth Analg. 2006 Jul;103(1):15-20, table of contents. Retraction in: Shafer SL. Anesth Analg. 2009 Jun;108(6):1953.


Getting the right blood to the right patient: the contribution of near-miss event reporting and barrier analysis.

Kaplan HS.

Transfus Clin Biol. 2005 Nov;12(5):380-4. Epub 2005 Nov 28. Review.


Experience with the medical event reporting system for transfusion medicine (MERS-TM) at three hospitals.

Callum JL, Merkley LL, Coovadia AS, Lima AP, Kaplan HS.

Transfus Apher Sci. 2004 Oct;31(2):133-43.


Organization of event reporting data for sense making and system improvement.

Kaplan HS, Fastman BR.

Qual Saf Health Care. 2003 Dec;12 Suppl 2:ii68-72.


Benefiting from the "gift of failure": essentials for an event reporting system.

Kaplan HS.

J Leg Med. 2003 Mar;24(1):29-35. No abstract available.


The Evolution of Human Life Expectancy and Intelligence in Hunter-Gatherer Economies.

Robson AJ, Kaplan HS.

Am Econ Rev. 2003;93(1):150-69.


The emergence of humans: the coevolution of intelligence and longevity with intergenerational transfers.

Kaplan HS, Robson AJ.

Proc Natl Acad Sci U S A. 2002 Jul 23;99(15):10221-6. Epub 2002 Jul 16.


The Medical Event Reporting System for Transfusion Medicine: will it help get the right blood to the right patient?

Kaplan HS, Callum JL, Rabin Fastman B, Merkley LL.

Transfus Med Rev. 2002 Apr;16(2):86-102. Review.


Reporting of near-miss events for transfusion medicine: improving transfusion safety.

Callum JL, Kaplan HS, Merkley LL, Pinkerton PH, Rabin Fastman B, Romans RA, Coovadia AS, Reis MD.

Transfusion. 2001 Oct;41(10):1204-11.


Protein C and S deficiency.

Nizzi FA Jr, Kaplan HS.

Semin Thromb Hemost. 1999;25(3):265-72. Review.


Identification and classification of the causes of events in transfusion medicine.

Kaplan HS, Battles JB, Van der Schaaf TW, Shea CE, Mercer SQ.

Transfusion. 1998 Nov-Dec;38(11-12):1071-81.


The attributes of medical event-reporting systems: experience with a prototype medical event-reporting system for transfusion medicine.

Battles JB, Kaplan HS, Van der Schaaf TW, Shea CE.

Arch Pathol Lab Med. 1998 Mar;122(3):231-8.


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