Why Your Brain Masters Four Objects but Stumbles with Five
Analysis of neuron activity reveals that the brain employs distinct mechanisms for counting from one to four as opposed to counting five or more For over a century, researchers have been aware that people are generally adept at estimating quantities of four or fewer items through visual assessment. However, the accuracy of this estimation diminishes significantly, with increased slowness and a higher likelihood of errors, as the numbers involved grow larger. Now, scientists have unraveled…
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