Acknowledgements
Tim J Crow, pages vi
Introduction
Tim J Crow, pages 1-20
The Morphological and Behavioural Origins of Modern Humans
Chris Stringer, pages 21-30
Archaeology and the Origins of Modern Humans: European and African Perspectives
Paul Mellars, pages 31-47
The Case for Saltational Events in Human Evolution
Ian Tattersall, pages 49-59
Grades and Transitions in Human Evolution
Mark Collard, pages 61-100
From Protolanguage to Language
Derek Bickerton, pages 101-120
Is the Neural Basis of Vocalisation Different in Non-Human Primates and Homo sapiens?
Detlev Ploog, pages 121-135
Laterality and Human Speciation
Michael C Corballis, pages 137-152
When did Directional Asymmetry Enter the Record?
James Steele, pages 153-168
Bihemispheric Language: How the Two Hemispheres Collaborate in the Processing of Language
Norman D Cook, pages 169-194
Sexual Selection, Timing and an X-Y Homologous Gene: Did Homo sapiens Speciate on the Y Chromosome?
Tim J Crow, pages 195-216
What Can the Y Chromosome Tell Us about the Origin of Modern Humans?
Chris Tyler-Smith, pages 217-229
Do the Hominid-Specific Regions of X-Y Homology Contain Candidate Genes Potentially Involved in a Critical Event Linked to Speciation?
Carole A Sargent, Patricia Blanco & Nabeel A Affara, pages 231-250
Preferential Sex Linkage of Sexually Selected Genes: Evidence and a New Explanation
Klaus Reinhold, pages 251-265