May 9, 2024

A Sense of Order – The Unique Trait That Sets Us Apart From Other Animals

A recent research study indicates that the ability to acknowledge and remember sequential info may be distinct to human beings, as even close loved ones like bonobos dont exhibit the very same capability. This ability, essential for language, planning, and sequential thinking, sets humans apart and might be a fundamental element of our unique cultural advancement.
Remembering the order of details is essential when taking part in discussions, arranging daily activities, or pursuing education. A current study in the scientific journal PLOS ONE suggests that this ability may be distinct to humans. Even the closest relatives of people, such as bonobos, do not learn order in the exact same way.
” The research study contributes another piece of the puzzle to the question of how the mental abilities of humans and other animals vary, and why only people speak languages, strategy area travel, and have actually found out to make use of the earth so efficiently that we now present a serious threat to countless other life kinds,” says Johan Lind, associate professor in ethology and deputy director at the Center for Cultural Evolution, Stockholm University. Given that September he has actually likewise been an associate professor of ethology at Linköping University.
Already earlier research at Stockholm University has recommended that only human beings have the capability to recognize and remember so-called consecutive info, which this ability is an essential structure block underlying special human cultural abilities. Formerly, this series memory-hypothesis has not been evaluated in humans closest relatives, the excellent apes. The new experiments now show that likewise bonobos, one of the primates, struggle to learn the order of stimuli.

In the just recently released book The Human Evolutionary Transition: From Animal Intelligence to Culture (Princeton University Press), ethologists Magnus Enquist and Johan Lind at Stockholm University, and Stefano Ghirlanda, a scientist in psychology at Brooklyn College, New York, have actually released a new theory for how people ended up being cultural beings. A main concept worries the distinction in how people and other animals acknowledge and keep in mind sequential info.
” We have previously examined a great deal of research studies that suggest that just humans acknowledge and keep in mind consecutive info faithfully. Even though we evaluated data from a number of birds and mammals, including monkeys, there has been a lack of info from our closest family members, the other fantastic apes,” states Johan Lind.
In a series of experiments, the memory capabilities of bonobos and human beings were evaluated by having them press computer screens to, to name a few things, find out to differentiate between brief sequences, consisting of pressing right if a yellow square comes before a blue square, or by pushing to the left of the blue square appears before the yellow square.
” The study shows that bonobos forget that they have actually seen a blue square currently five to 10 seconds after it has actually disappeared from the screen which they have fantastic trouble discovering to differentiate the sequences blue-square-before-yellow-square from yellow-square- before-blue-square, although they have actually been trained for countless trials,” states Vera Vinken, connected with Stockholm University, now a PhD trainee in Great Britain at the Biosciences Institute, Newcastle University.
On the other hand, the study shows that humans discovered to identify the brief series nearly instantly. It still remains to be shown exactly how our closest relatives can keep in mind and utilize sequential details.
” We now understand that our closest relatives do not share the same consecutive mental abilities with people. But even if the results suggest that their working memory works in concept in the very same way as in rats and pigeons, nobody has yet shown this in practice, ” says Magnus Enquist, professor emeritus and among the founders of the Center for Cultural Evolution.
The new results provide further assistance for the series memory-hypothesis, that during human prehistory a capability to remember and process sequences developed, an essential mechanism for numerous uniquely human phenomena such as language, planning ability and sequential thinking.
Reference: “A test of memory for stimulus sequences in primates” by Johan Lind, Vera Vinken, Markus Jonsson, Stefano Ghirlanda and Magnus Enquist, 6 September 2023, PLOS ONE.DOI: 10.1371/ journal.pone.0290546.

A recent research study in the scientific journal PLOS ONE recommends that this capability might be unique to humans. Even the closest family members of people, such as bonobos, do not find out order in the exact same way.
Currently earlier research at Stockholm University has suggested that only people have the capability to recognize and keep in mind so-called sequential details, and that this capability is an essential building block underlying distinct human cultural abilities. Previously, this sequence memory-hypothesis has not been checked in humans closest family members, the excellent apes.