Why is a Dog’s Average Short-Term Memory of 2 Minutes Much Longer than Other Animals???

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source: NATIONAL GEOGRAPHIC

Memory is classified into two categories of short-term memory and long-term memory. Short-term memory seems to be stored either from several tens of seconds to several tens of minutes.

According to the study on animal behavior by Johan Lind and his colleagues at Stockholm University in Sweden, animals (an investigation of 25 animals including dolphins, birds and bees) were able to store an average of 27 seconds of short-term memory. A chimpanzee was only able to store 20 seconds of short-term memory which possibly means that humans are only able to store a similar amount of short-term memory.
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By the way, dogs are able to store approximately 2 minutes of short-term memory which excellent compared to other animals.
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In addition, the research attempted to verify the above results through a memory test called “delay sample alignment”.
The “delay sample alignment” first shows a red circle and a blue square at virtually the same time on many animals. The same experiment was used on humans and even after a lapse of more than 48 hours, humans are so was able to choose easily the first stimulus.

Professor Lind also studied the differences between “short-term memory” and “associative memory”. In other words, animals seem to be able to store important information (such as food habitat) separately.

There are advantages and disadvantages of “short-term memory” or “associative memory” but this study is interesting in that it reveals how different animals and human are able to store information on a daily basis.


source: NATIONAL GEOGRAPHIC