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Submitted on January 13, 2005
Accepted on February 11, 2005
The Brain of LB1, Homo floresiensis
Dean Falk 1*, Charles Hildebolt 2, Kirk Smith 2, Mike J. Morwood 3, Thomas Sutikna 4, Peter Brown 3, Jatmiko 4, E. Wayhu Saptomo 4, Barry Brunsden 2, Fred Prior 2
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 & 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.
* To whom correspondence should be addressed.
Dean Falk , E-mail: dfalk{at}fsu.edu
The brain of Homo floresiensis is assessed by comparing a virtualendocast from the type specimen (LB1) with endocasts from greatapes, Homo erectus, Homo sapiens, a human pygmy, a human microcephalic,Sts 5 (Australopithecus africanus) and WT 17000 (Paranthropusaeithiopicus). Morphometric , allometric and shape data indicatethat LB1 is not a microcephalic or pygmy. LB1's brain size versusbody size scales like an australopithecine, but its endocastshape resembles that of Homo erectus. LB1 has derived frontaland temporal lobes and a lunate sulcus in a derived position,which are consistent with capabilities for higher cognitiveprocessing.
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Comment on "The Brain of LB1, Homo floresiensis".
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310, 236b
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Response to Comment on "The Brain of LB1, Homo floresiensis".
D. Falk, C. Hildebolt, K. Smith, M. J. Morwood, T. Sutikna, Jatmiko, E. W. Saptomo, B. Brunsden, and F. Prior (2005)
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