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Biren A. Patel, PhD
Associate Professor of Clinical Cell and Neurobiology
Cell and Neurobiology
BMT 404 1333 San Pablo Street Health Sciences Campus Los Angeles
+1 323 442 2093


Patel Laboratory for Primate Functional and Evolutionary Morphology


Gilbert CC, Patel BA, Singh NP, Campisano CJ, Fleagle JG, Rust KL, Patnaik R. New sivaladapid primate from Lower Siwalik deposits surrounding Ramnagar (Jammu and Kashmir State), India. J Hum Evol. 2017 Jan; 102:21-41. View in: PubMed

Marchi D, Ruff CB, Capobianco A, Rafferty KL, Habib MB, Patel BA. The locomotion of Babakotia radofilai inferred from epiphyseal and diaphyseal morphology of the humerus and femur. J Morphol. 2016 Sep; 277(9):1199-218. View in: PubMed

Zeininger A, Patel BA, Zipfel B, Carlson KJ. Trabecular architecture in the StW 352 fossil hominin calcaneus. J Hum Evol. 2016 Aug; 97:145-58. View in: PubMed

Trinkaus, E, Patel BA. An Early Pleistocene human pedal phalanx from Swartkrans, SKX 16699, and the antiquity of the human lateral forefoot. C. R. Palevol. 2016; 15(8):978–987. View in: PubMed

Patel BA, Maiolino SA. Morphological diversity in the digital rays of primate hands. In: Kivell TL, Lemelin P, Richmond BG, and Schmitt D (editors), The Evolution of the Primate Hand: Anatomical, Developmental, Functional and Paleontological Evidence. 2016; pp. 55-100. View in: PubMed

Patel BA, Wallace IJ, Boyer DM, Granatosky MC, Larson SG, Stern JT. Distinct functional roles of primate grasping hands and feet during arboreal quadrupedal locomotion. J Hum Evol. 2015 Nov; 88:79-84. View in: PubMed

Fernández PJ, Almécija S, Patel BA, Orr CM, Tocheri MW, Jungers WL. Functional aspects of metatarsal head shape in humans, apes, and Old World monkeys. J Hum Evol. 2015 Sep; 86:136-46. View in: PubMed

Byron CD, Herrel A, Pauwels E, Muynck AD, Patel BA. Mouse hallucal metatarsal cross-sectional geometry in a simulated fine branch niche. J Morphol. 2015 Jul; 276(7):759-65. View in: PubMed

Patel BA, Larson SG, Stern JT. Electromyography of crural and pedal muscles in tufted capuchin monkeys (Sapajus apella): Implications for hallucal grasping behavior and first metatarsal morphology in euprimates. Am J Phys Anthropol. 2015 Apr; 156(4):553-64. View in: PubMed

Goodenberger KE, Boyer DM, Orr CM, Jacobs RL, Femiani JC, Patel BA. Functional morphology of the hallucal metatarsal with implications for inferring grasping ability in extinct primates. Am J Phys Anthropol. 2015 Mar; 156(3):327-48. View in: PubMed

Almécija S, Orr CM, Tocheri MW, Patel BA, Jungers WL. Exploring phylogenetic and functional signals in complex morphologies: the hamate of extant anthropoids as a test-case study. Anat Rec (Hoboken). 2015 Jan; 298(1):212-29. View in: PubMed

Daegling DJ, Patel BA, Jungers WL. Geometric properties and comparative biomechanics of Homo floresiensis mandibles. J Hum Evol. 2014 Mar; 68:36-46. View in: PubMed

Gilbert CC, Patel BA, Friedman AC, Pugh KD, Fleagle JG, Patnaik R. New Lower Siwalik localities near Ramnagar, India: implications for the earliest Asian great apes and other mammalian linages. Select Publications of the Palaeontological Society of India. 2014; 5:353-365. View in: PubMed

Venkataraman VV, Rolian C, Gordon AD, Patel BA. A resampling approach and implications for estimating the phalangeal index from unassociated hand bones in fossil primates. Am J Phys Anthropol. 2013 Jun; 151(2):280-9. View in: PubMed

Patel BA, Ruff CB, Simons EL, Organ JM. Humeral cross-sectional shape in suspensory primates and sloths. Anat Rec (Hoboken). 2013 Apr; 296(4):545-56. View in: PubMed

Carlson KJ, Jashashvili T, Houghton K, Westaway MC, Patel BA. Joint loads in marsupial ankles reflect habitual bipedalism versus quadrupedalism. PLoS One. 2013; 8(3):e58811. View in: PubMed

Patel BA, Horner AM, Thompson NE, Barrett L, Henzi SP. Ontogenetic scaling of fore- and hind limb posture in wild chacma baboons (Papio hamadryas ursinus). PLoS One. 2013; 8(7):e71020. View in: PubMed

DeSilva JM, Steininger C, Patel BA. Cercopithecoid primate postcranial fossils from Cooper’s D, South Africa. GeoBios. 2013; 46:381-394. View in: PubMed

Patel BA, Seiffert ER, Boyer DM, Jacobs RL, St Clair EM, Simons EL. New primate first metatarsals from the Paleogene of Egypt and the origin of the anthropoid big toe. J Hum Evol. 2012 Jul; 63(1):99-120. View in: PubMed

O’Leary MA, Patel BA, Coleman MN. The endocranial petrosal anatomy of Bothriogenys (Mammalia, Artiodactyla, Anthracotheriidae), and petrosal volume and density comparisons among aquatic and terrestrial artiodactylans and outgroups. Journal Paleontology. 2012; 86:44-50. View in: PubMed

Patel BA, Larson SG, Stern JT. Electromyography of wrist and finger flexor muscles in olive baboons (Papio anubis). J Exp Biol. 2012 Jan 1; 215(Pt 1):115-23. View in: PubMed

Boyer DM, Lipman Y, St Clair E, Puente J, Patel BA, Funkhouser T, Jernvall J, Daubechies I. Algorithms to automatically quantify the geometric similarity of anatomical surfaces. Proc Natl Acad Sci U S A. 2011 Nov 8; 108(45):18221-6. View in: PubMed

Susman RL, Patel BA, Francis MJ, Cardoso HF. Metatarsal fusion pattern and developmental morphology of the Olduvai Hominid 8 foot: Evidence of adolescence. J Hum Evol. 2011 Jan; 60(1):58-69. View in: PubMed

Nowak MG, Carlson KJ, Patel BA. Apparent density of the primate calcaneo-cuboid joint and its association with locomotor mode, foot posture, and the "midtarsal break". Am J Phys Anthropol. 2010 Jun; 142(2):180-93. View in: PubMed

Patel BA. Functional morphology of cercopithecoid primate metacarpals. J Hum Evol. 2010 Apr; 58(4):320-37. View in: PubMed

Patel BA, Wunderlich RE. Dynamic pressure patterns in the hands of olive baboons (Papio anubis) during terrestrial locomotion: implications for cercopithecoid primate hand morphology. Anat Rec (Hoboken). 2010 Apr; 293(4):710-8. View in: PubMed

Patel BA. The interplay between speed, kinetics, and hand postures during primate terrestrial locomotion. Am J Phys Anthropol. 2010 Feb; 141(2):222-34. View in: PubMed

Kingston AK, Boyer DM, Patel BA, Larson SG, Stern JT. Hallucal grasping in Nycticebus coucang: further implications for the functional significance of a large peroneal process. J Hum Evol. 2010 Jan; 58(1):33-42. View in: PubMed

Patel BA, Susman RL, Rossie JB, Hill A. Terrestrial adaptations in the hands of Equatorius africanus revisited. J Hum Evol. 2009 Dec; 57(6):763-72. View in: PubMed

Jacobs RL, Boyer DM, Patel BA. Comparative functional morphology of the primate peroneal process. J Hum Evol. 2009 Dec; 57(6):721-31. View in: PubMed

Patel BA. Not so fast: speed effects on forelimb kinematics in cercopithecine monkeys and implications for digitigrade postures in primates. Am J Phys Anthropol. 2009 Sep; 140(1):92-112. View in: PubMed

Patel BA, Carlson KJ. Apparent density patterns in subchondral bone of the sloth and anteater forelimb. Biol Lett. 2008 Oct 23; 4(5):486-9. View in: PubMed

Boyer DM, Patel BA, Larson SG, Stern JT. Telemetered electromyography of peroneus longus in Varecia variegata and Eulemur rubriventer: implications for the functional significance of a large peroneal process. J Hum Evol. 2007 Aug; 53(2):119-34. View in: PubMed

Young JW, Patel BA, Stevens NJ. Body mass distribution and gait mechanics in fat-tailed dwarf lemurs (Cheirogaleus medius) and patas monkeys (Erythrocebus patas). J Hum Evol. 2007 Jul; 53(1):26-40. View in: PubMed

Patel BA, Carlson KJ. Bone density spatial patterns in the distal radius reflect habitual hand postures adopted by quadrupedal primates. J Hum Evol. 2007 Feb; 52(2):130-41. View in: PubMed

Patel BA, Gilbert CC, Ericson KE. Cercopithecoid cervical vertebral morphology and implications for the presence of Theropithecus in early Pleistocene Europe. J Hum Evol. 2007 Feb; 52(2):113-29. View in: PubMed

Patel BA, Grossman A. Dental metric comparisons of Morotopithecus and Afropithecus: implications for the validity of the genus Morotopithecus. J Hum Evol. 2006 Nov; 51(5):506-12. View in: PubMed

Carlson KJ, Patel BA. Habitual use of the primate forelimb is reflected in the material properties of subchondral bone in the distal radius. J Anat. 2006 Jun; 208(6):659-70. View in: PubMed

Ross CF, Patel BA, Slice DE, Strait DS, Dechow PC, Richmond BG, Spencer MA. Modeling masticatory muscle force in finite element analysis: sensitivity analysis using principal coordinates analysis. Anat Rec A Discov Mol Cell Evol Biol. 2005 Apr; 283(2):288-99. View in: PubMed

Strait DS, Wang Q, Dechow PC, Ross CF, Richmond BG, Spencer MA, Patel BA. Modeling elastic properties in finite-element analysis: how much precision is needed to produce an accurate model? Anat Rec A Discov Mol Cell Evol Biol. 2005 Apr; 283(2):275-87. View in: PubMed

Patel BA. The hominoid proximal radius: re-interpreting locomotor behaviors in early hominins. J Hum Evol. 2005 Apr; 48(4):415-32. View in: PubMed

Patel BA. Form and function of the oblique cord (chorda obliqua) in anthropoid primates. Primates. 2005 Jan; 46(1):47-57. View in: PubMed

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