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Published online by Cambridge University Press: 14 January 2025
The target article explores material culture datasets from three African forager groups. After demonstrating that these modern, contemporary human populations would leave scant evidence of symbolic behaviour or material complexity, it cautioned against using material culture as a barometer for human cognition in the deep past. Twenty-one commentaries broadly support or expand these conclusions. A minority offer targeted demurrals, highlighting (1) the soundness of reasoning from absence; and questioning (2) the “cognitively modern” null; (3) the role of hunter-gatherer ethnography; and (4) the pertinence of the inferential issues identified in the target article. In synthesising these discussions, this reply addresses all four points of demurral in turn, and concludes that there is much to be gained from shifting our null assumptions and reconsidering the probabilistic inferential links between past material culture and cognition.
Target article
Reconsidering the link between past material culture and cognition in light of contemporary hunter–gatherer material use
Related commentaries (21)
Advancing paleoanthropology beyond default nulls
All that glitters is not gold: The false-symbol problem in archaeology
Animal artefacts challenge archaeological standards for tracing human symbolic cognition
Archaeology retains a central role for studying the behavioral and cognitive evolution of our species and genus
Are we jingling modern hunter-gatherers and early Homo sapiens?
Behavioural modernity is dead: Long live behavioural modernity
Beyond the binary: Inferential challenges and solutions in cognitive archaeology
Cultural innovation is not only a product of cognition but also of cultural context
Don't ignore cognitive evolution during the three million years that preceded the archaeological record of material culture!
Inferences from absences
Material culture both reflects and causes human cognitive evolution
Negative priors and inferences from absence of evidence in cognitive and linguistic archaeology: Epistemically sound and scientifically strategic
Not just symbolism: Technologies may also have a less than direct connection with cognition
Perishable material choice indicates symbolic and representational capacities
Proposing the DN(C)-model of material evidence for well-calibrated claims about past cultures
Revising the null model in language evolution research
Shared intentionality may have been favored by persistence hunting in Homo erectus
Sports, team games, and physical skill competitions as an important source of symbolic material culture with low preservation probability
The cognitive and evolutionary science of behavioural modernity goes beyond material chronology
The Mbuti people still reproduce a 75,000 years old recursive pattern
What would be pre-modern human cognition?
Author response
Hominin cognition: The null hypothesis