title: The brain of LB1, Homo floresiensis.
abstract: The brain of Homo floresiensis was assessed by comparing a virtual endocast from the type specimen (LB1) with endocasts from great apes, Homo erectus, Homo sapiens, a human pygmy, a human microcephalic, specimen number Sts 5 (Australopithecus africanus), and specimen number WT 17000 (Paranthropus aethiopicus). Morphometric, allometric, and shape data indicate that LB1 is not a microcephalic or pygmy. LB1's brain/body size ratio scales like that of an australopithecine, but its endocast shape resembles that of Homo erectus. LB1 has derived frontal and temporal lobes and a lunate sulcus in a derived position, which are consistent with capabilities for higher cognitive processing.
authors.affiliation: Department of Anthropology, Florida State University, Tallahassee, FL 32306, USA dfalk@fsu.edu
authors.forename: Dean
authors.initials: D
authors.lastname: Falk
authors.forename: Charles
authors.initials: C
authors.lastname: Hildebolt
authors.forename: Kirk
authors.initials: K
authors.lastname: Smith
authors.forename: M J
authors.initials: MJ
authors.lastname: Morwood
authors.forename: Thomas
authors.initials: T
authors.lastname: Sutikna
authors.forename: Peter
authors.initials: P
authors.lastname: Brown
authors.lastname: Jatmiko
authors.forename: E Wayhu
authors.initials: EW
authors.lastname: Saptomo
authors.forename: Barry
authors.initials: B
authors.lastname: Brunsden
authors.forename: Fred
authors.initials: F
authors.lastname: Prior
mesh_terms: D000818:Animals; D001921:Brain / Q000033:anatomy & histology*; D002508:Cephalometry; D003198:Computer Simulation; D005260:Female; D015186:Hominidae / Q000033:anatomy & histology* / Q000145:classification; D006801:Humans; D009929:Organ Size; D002679:Pan troglodytes / Q000033:anatomy & histology; D014057:Tomography, X-Ray Computed