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Proofs of parallel evolution between cognition, tool development, and social complexity

Main ceramics analyzed in the experiments and heat map of the visual fixations in each one of them. The images are organized, from left to right, in a chronological order from oldest to most recent. Next time, the fixations direction changes from horizontal to vertical. Credit: CSIC     Researchers have examined the visual response of 1 13 individuals when observing prehistoric ceramics including different styles and societies. The ceramics analyzed cover 4,000 years (from 4,000 B.C. to the change of era) or Galician prehistory (north-west Iberia), and are representative of ceramic styles including bell-beaker pottery, found throughout Europe. The results indicate that the visual behavior follows the same evolutionary trends as those that drive the evolution of the complex societies that built these archaeological materialities.                                 "We hypothesized that culture and social life influence cognition in a highly stereotyped fashion. Eye movements are the most objective proof of a parallel evolution between the cognitive process, material development and changes in social complexity," explains CSIC researcher Felipe Criado- Boado, from the Institute of Heritage Sciences, in Santiago de Compostela. This study is part of the field of neuroarchology, a new scientific field that combines neuroscience with human palaeontology, archeology, and other social and human sciences. "The visual prominence of each ceramic style produces a distinct visual response. An important part of the material world that includes the individuals of that time. This is an analysis of this child is not only feasible, but also provides very significant results, "adds Criado-Boado. Luis M. Martínez,…



Main ceramics analyzed in the experiments and heat map of the visual fixations in each one of them. The images are organized, from left to right, in a chronological order from oldest to most recent. Next time, the fixations direction changes from horizontal to vertical. Credit: CSIC

Researchers have examined the visual response of 1

13 individuals when observing prehistoric ceramics including different styles and societies. The ceramics analyzed cover 4,000 years (from 4,000 B.C. to the change of era) or Galician prehistory (north-west Iberia), and are representative of ceramic styles including bell-beaker pottery, found throughout Europe. The results indicate that the visual behavior follows the same evolutionary trends as those that drive the evolution of the complex societies that built these archaeological materialities.

“We hypothesized that culture and social life influence cognition in a highly stereotyped fashion. Eye movements are the most objective proof of a parallel evolution between the cognitive process, material development and changes in social complexity,” explains CSIC researcher Felipe Criado- Boado, from the Institute of Heritage Sciences, in Santiago de Compostela. This study is part of the field of neuroarchology, a new scientific field that combines neuroscience with human palaeontology, archeology, and other social and human sciences.

“The visual prominence of each ceramic style produces a distinct visual response. An important part of the material world that includes the individuals of that time. This is an analysis of this child is not only feasible, but also provides very significant results, “adds Criado-Boado.

Luis M. Martínez, a researcher from the Institute of Neurosciences, in Alicante, says, “In our brain, there are neural circuits, or maps, which represent our personal and peripersonal space. These circuits determine the way in which we relate socially, and also with the world around. us, experiments of this kind, we are demonstrating that these representations are modified by the use and making of tools and other cultural artefacts; quickly incorporated into these neural maps, becoming part of our body diagram as if they were an extension of it. These experiments unequivocally demonstrate that there is a very close interaction between cultural changes and brain plasticity, which provides a new perspective on how the brain governs for the transmission of cultural values, beliefs and customs. “

The results of this research indicate that the human visual system actively internalises the object it observes, which would demonstrate that there is a perceptual engagement between the observers and the material structures in their environment. Seen from this perspective, it could be proposed that the shape of objects (pottery, in this case) and the pattern of visual exploration they have changed over history, and are connected with behavior in the same way as they are with the social realm. , including social complexity, “says Criado-Boado.

Another of the conclusions of this study is that technology is an important factor in the mental aspects of human life. technological change that takes place at all historical periods, including the present day. “It is believed that by 2020, there will be 100 billion sensors around the world capturing information of all kinds and processing it digitally, all connected to each other and functioning equally. an enormous human mind. If this prediction is fulfilled, research in the field of cognitive processes and material culture in history may be useful for the future, since it can show how humans rely on images that help them to shape a collective consciousness of the world, “concludes the researcher.


Explore further:
We need to fine-tune our ‘maps’ of the visual cortex, study shows

More information:
Felipe Criado-Boado et al. Coevolution of visual behavior, the material world and social complexity, depicted by the eye-tracking of archaeological objects in humans, Scientific Reports (2019). DOI: 10.1038 / s41598-019-39661-w

Journal reference:
Scientific Reports


Provided by:
Spanish National Research Council (CSIC)

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