The Brain of LB1, Homo floresiensis-Reference-Cited by-同舟云学术

The Brain of LB1, Homo floresiensis

Published:2005-04-08 Issue:5719 Volume:308 Page:242-245
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Falk Dean¹²³⁴,Hildebolt Charles¹²³⁴,Smith Kirk¹²³⁴,Morwood M. J.¹²³⁴,Sutikna Thomas¹²³⁴,Brown Peter¹²³⁴,Jatmiko ¹²³⁴,Saptomo E. Wayhu¹²³⁴,Brunsden Barry¹²³⁴,Prior Fred¹²³⁴

Affiliation:

1. Department of Anthropology, Florida State University, Tallahassee, FL 32306, USA.

2. Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO 63110, USA.

3. Archaeology and Palaeoanthropology, University of New England, Armidale, New South Wales 2351, Australia.

4. Indonesian Centre for Archaeology, JI. Raya Condet Pejaten No. 4, Jakarta 12001, Indonesia.

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.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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