Human behaviour is influenced by many things, most of which remain unconscious to us. One of these is a phenomenon known among perception psychologists as "pseudo-neglect." This refers to the observation that healthy people prefer their left visual field to their right, and therefore divide a line regularly left of centre.
A study published on Friday, January 10 in PLOS ONE now shows for the first time what effect this inconspicuous deviation had in the prehistoric past. A Slovak-German research team has investigated the alignment of early Neolithic houses in Central and Eastern Europe. Scientists from Kiel University (CAU) and the Slovakian Academy of Sciences were able to prove that the orientation of newly built houses deviated by a small amount from that of existing buildings, and that this deviation was regularly counterclockwise.
Archaeologist Dr. Nils Müller-Scheeßel, who coordinated the study, says, "Researchers have long assumed that early Neolithic houses stood for about a generation, i.e., 30 to 40 years, and that new houses had to be built next to existing ones at regular intervals. By means of age determination using the radiocarbon method, we can now show that the new construction was associated with a barely perceptible rotation of the house axis counterclockwise. We see pseudoneglect as the most likely cause of this."
This insight was made possible by the interpretation of one of the fastest-growing archaeological data sets at present, namely the results of geophysical magnetic measurements. Differences in the Earth's magnetic field are used to visualise archaeological features lying underground. Early Neolithic house ground plans belong to the best identifiable types of features.
"In recent years, we have discovered hundreds of Early Neolithic houses in our field of work in southwestern Slovakia using geophysical prospection methods. Excavating all these houses is neither possible nor desirable for reasons of monument conservation. The possibility of using pseudoneglect to bring the houses into a relative sequence without excavation and thus to break down the settlement activity of an entire small region raises our research to a completely new level," says Müller-Scheeßel. "Absolute dating using scientific methods must, of course, confirm the basic trend in every case."
The study also refers to comparable archaeological observations at other places and times, which show that similar changes in orientation also seem to apply to more recent prehistoric periods. The significance of pseudoneglect thus extends far beyond the dating of early Neolithic houses.
Citation: Always counterclockwise: Puzzle of early Neolithic house orientations finally solved (2020, January 10) retrieved 10 January 2020 from https://ift.tt/306v4mv
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Always counterclockwise: Puzzle of early Neolithic house orientations finally solved - Phys.org
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