scholarly journals Four-Field Co-evolutionary Model for Human Cognition: Variation in the Middle Stone Age/Middle Palaeolithic

2021 ◽  
Author(s):  
Marlize Lombard ◽  
Anders Högberg
Keyword(s):  
Homo Sapiens ◽  
Evolutionary Model ◽  
Middle Stone Age ◽  
Human Cognition ◽  
Brain Morphology ◽  
Middle Palaeolithic ◽  
Stone Age ◽  
Future Studies ◽  
Evolutionary Trajectories ◽  
Two Populations

AbstractHere we explore variation and similarities in the two best-represented population groups who lived during the Middle Stone Age and Middle Palaeolithic—the Neanderthals and Homo sapiens. Building on approaches such as gene-culture co-evolution, we propose a four-field model to discuss relationships between human cognitive evolution, biology, technology, society, and ecology. We focus on the pre-50-ka phase, because we reason that later admixing between Neanderthals and Homo sapiens in Eurasia may make it difficult to separate them in terms of cognition, or any of the other fields discussed in this paper. Using our model enabled us to highlight similarities in cognition between the two populations in terms of symbolic behaviour and social learning and to identify differences in aspects of technical and social cognition. Dissimilarities in brain-selective gene variants and brain morphology strongly suggest differences in some evolutionary trajectories that would have affected cognition. We therefore suggest that rather than insisting that Neanderthals were cognitively ‘the same’ as Homo sapiens, it may be useful to focus future studies on Neanderthal-specific cognition that may have been well-developed within their specific context at the time.

scholarly journals Introduction to ‘Theoretical Pathways’: Thinking About Human Endeavour During the Middle Stone Age and Middle Palaeolithic

2021 ◽  
Vol 28 (1) ◽  
pp. 1-10
Author(s):  
Anders Högberg ◽  
Marlize Lombard
Keyword(s):  
Time Perspective ◽  
Model Building ◽  
Homo Sapiens ◽  
Extended Period ◽  
Middle Stone Age ◽  
Middle Palaeolithic ◽  
Stone Age ◽  
Deep Time ◽  
Theoretical Approaches ◽  
Wide Range

AbstractIn this brief introduction, we present and contextualise ‘theoretical pathways’ elaborated in this special issue, in terms of understanding humanity from a deep-time perspective. The participating authors discuss a wide range of approaches related to thinking about human endeavour during the Middle Stone Age and Middle Palaeolithic ranging from the constraints of technological niches and Material Engagement Theory to aspects of palaeo-neurology, agent-based models of self-domestication and co-evolutionary model building. Together, the contributions demonstrate that current theoretical approaches that aim to explain deep-time human endeavour require multi-disciplinary approaches, and that for some researchers, the trend is to move away from the symbolic standard or models of sudden mutation. By doing so, each contribution, in its own way, enhances our understanding of ‘being’ or ‘becoming’ human during the time slice between 300,000 and 30,000 years ago. The work represented here makes it increasingly clear that a singular or particular aspect did not ‘give birth’ to Homo sapiens in Africa during the Middle Stone Age and/or in Eurasia during the Middle Palaeolithic. Instead, humanity in all its complexity was probably shaped by a broad range of factors and processes that took place over an extended period.

Lupemban

2021 ◽  
Author(s):  
Nicholas Taylor
Keyword(s):  
21St Century ◽  
Homo Sapiens ◽  
Central Africa ◽  
Middle Stone Age ◽  
Congo Basin ◽  
Spatiotemporal Variability ◽  
Evolutionary Significance ◽  
Forest Belt ◽  
Stone Age ◽  
Tree Roots

The Lupemban is an industry of the Middle Stone Age (MSA) that is found across the Congo Basin and on its plateau margins in central Africa. It takes its name from the site of Lupemba that was discovered in 1944 in the Democratic Republic of Congo (DRC, then the Belgian Congo). The Lupemban’s distinctive toolkit of elongated lanceolate bifaces, core-axes, points, blades, and other small tools coincides with the equatorial forest belt and is suitable for constructing hafted implements, which has led to speculation it was a special and specific prehistoric adaptation to rainforest foraging. Although poorly dated across most of its geographic range, radiometric dates for the Lupemban at Twin Rivers (Zambia) show it is at least ~265 ka years old, placing it among the oldest known expressions of the regional MSA. As such, the Lupemban bears on 21st-century debates about the evolution of complex cognitive abilities and behaviors that characterize the emergence of Homo sapiens at or before 300 ka bp. In spite of the Lupemban’s potential importance for understanding the evolution of technology, human–environment interactions, and cognition in early Homo sapiens, the industry remains enigmatic and poorly understood. Logistical, ecological, and political challenges continue to impede fieldwork in central Africa. Moreover, at sites including Gombe Point (DRC), severe soil bioturbation by tree roots has caused the vertical displacement of buried artifacts, which corrupts the basic integrity of stratigraphic sequences. This problem is known to be widespread and means that after 100 years of research, central Africa still lacks a refined Stone Age cultural sequence. Consequently, very little is known about spatiotemporal variability within the Lupemban, or its specific environmental or cultural adaptations. At the site of Kalambo Falls (Zambia), the industry is found in secondary but stratified context, which, as of the early 21st century, offers the best glimpse into Lupemban technology and its potential evolutionary significance.

What happened to the human mind after the Howiesons Poort?

Antiquity ◽  
2011 ◽  
Vol 85 (330) ◽  
pp. 1433-1443 ◽  
Author(s):  
Marlize Lombard ◽  
Isabelle Parsons
Keyword(s):  
Southern Africa ◽  
Homo Sapiens ◽  
Human Mind ◽  
Middle Stone Age ◽  
Stone Age ◽  
Cognitive Evolution ◽  
Modern Humans ◽  
Bow And Arrow ◽  
Survival And Development

The authors deliver a decisive blow to the idea of unidirectional behavioural and cognitive evolution in this tightly argued account of why the bow and arrow was invented and then possibly laid aside by Middle Stone Age communities in southern Africa. Finding that all are modern humans (Homo sapiens), they paint a picture of diverse strategies for survival and development from 75 000 years ago onwards. It is one in which material inventions can come and go, human societies negotiating their own paths through a rugged mental landscape of opportunity.

scholarly journals New investigations at the Middle Stone Age site of Pockenbank Rockshelter, Namibia

Antiquity ◽  
2016 ◽  
Vol 90 (353) ◽  
Author(s):  
Isabell Schmidt ◽  
Götz Ossendorf ◽  
Elena Hensel ◽  
Olaf Bubenzer ◽  
Barbara Eichhorn ◽  
...  
Keyword(s):  
Material Culture ◽  
Southern Africa ◽  
Interdisciplinary Research ◽  
Homo Sapiens ◽  
Middle Stone Age ◽  
Stone Age ◽  
Classic Model ◽  
The Past ◽  
Still Bay

In southern Africa, Middle Stone Age sites with long sequences have been the focus of intense international and interdisciplinary research over the past decade (cf. Wadley 2015). Two techno-complexes of the Middle Stone Age—the Still Bay and Howiesons Poort—have been associated with many technological and behavioural innovations of Homo sapiens. The classic model argues that these two techno-complexes are temporally separated ‘horizons’ with homogenous material culture (Jacobs et al.2008), reflecting demographic pulses and supporting large subcontinental networks. This model was developed on the basis of evidence from southern African sites regarded as centres of subcontinental developments.

scholarly journals Late Pleistocene age and archaeological context for the hominin calvaria from GvJm-22 (Lukenya Hill, Kenya)

2015 ◽  
Vol 112 (9) ◽  
pp. 2682-2687 ◽  
Author(s):  
Christian A. Tryon ◽  
Isabelle Crevecoeur ◽  
J. Tyler Faith ◽  
Ravid Ekshtain ◽  
Joelle Nivens ◽  
...  
Keyword(s):  
Late Pleistocene ◽  
Homo Sapiens ◽  
Morphological Variability ◽  
Modern Human ◽  
Middle Stone Age ◽  
Upper Paleolithic ◽  
Stone Age ◽  
Radiocarbon Dates ◽  
Middle And Late Pleistocene ◽  
Age Range

Kenya National Museums Lukenya Hill Hominid 1 (KNM-LH 1) is a Homo sapiens partial calvaria from site GvJm-22 at Lukenya Hill, Kenya, associated with Later Stone Age (LSA) archaeological deposits. KNM-LH 1 is securely dated to the Late Pleistocene, and samples a time and region important for understanding the origins of modern human diversity. A revised chronology based on 26 accelerator mass spectrometry radiocarbon dates on ostrich eggshells indicates an age range of 23,576–22,887 y B.P. for KNM-LH 1, confirming prior attribution to the Last Glacial Maximum. Additional dates extend the maximum age for archaeological deposits at GvJm-22 to >46,000 y B.P. (>46 kya). These dates are consistent with new analyses identifying both Middle Stone Age and LSA lithic technologies at the site, making GvJm-22 a rare eastern African record of major human behavioral shifts during the Late Pleistocene. Comparative morphometric analyses of the KNM-LH 1 cranium document the temporal and spatial complexity of early modern human morphological variability. Features of cranial shape distinguish KNM-LH 1 and other Middle and Late Pleistocene African fossils from crania of recent Africans and samples from Holocene LSA and European Upper Paleolithic sites.

scholarly journals Explanations of variability in Middle Stone Age stone tool assemblage composition and raw material use in Eastern Africa

2021 ◽  
Vol 13 (1) ◽  
Author(s):  
J. Blinkhorn ◽  
M. Grove
Keyword(s):  
Homo Sapiens ◽  
Strong Relationship ◽  
Middle Stone Age ◽  
Population History ◽  
Raw Material ◽  
Eastern Africa ◽  
Stone Tool ◽  
Stone Age ◽  
Time And Space ◽  
Assemblage Composition

AbstractThe Middle Stone Age (MSA) corresponds to a critical phase in human evolution, overlapping with the earliest emergence of Homo sapiens as well as the expansions of these populations across and beyond Africa. Within the context of growing recognition for a complex and structured population history across the continent, Eastern Africa remains a critical region to explore patterns of behavioural variability due to the large number of well-dated archaeological assemblages compared to other regions. Quantitative studies of the Eastern African MSA record have indicated patterns of behavioural variation across space, time and from different environmental contexts. Here, we examine the nature of these patterns through the use of matrix correlation statistics, exploring whether differences in assemblage composition and raw material use correlate to differences between one another, assemblage age, distance in space, and the geographic and environmental characteristics of the landscapes surrounding MSA sites. Assemblage composition and raw material use correlate most strongly with one another, with site type as well as geographic and environmental variables also identified as having significant correlations to the former, and distance in time and space correlating more strongly with the latter. By combining time and space into a single variable, we are able to show the strong relationship this has with differences in stone tool assemblage composition and raw material use, with significance for exploring the impacts of processes of cultural inheritance on variability in the MSA. A significant, independent role for terrain roughness for explaining variability in stone tool assemblages highlights the importance of considering the impacts of mobility on structuring the archaeological record of the MSA of Eastern Africa.

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