Abstract：
:The representation of time, space and numbers are strictly linked in the primate's cognitive system. Here we show that merely looking at number symbols biases a temporal judgment on their duration depending upon the number's magnitude. In a first experiment, a group of healthy subjects was submitted to a time estimation task, requiring to judge whether the duration of a test stimulus was longer or shorter than that of a previous reference fixed stimulus (digit 5; duration 300 ms). Test stimuli were the digits 1, 5 and 9 ranging between 250 and 350 ms. The main results showed that temporal perception was biased according to the magnitude expressed by the digit: low digits (i.e. 1) leading to underestimation and high digits (i.e. 9) an overestimation of perceived duration. Control experiments showed that this result was consistent whatever digits were tested but not when letters of the alphabet were used. These findings argue for a functional interaction between time and numbers in the cognitive system.
journal_name
Neurosci Lettjournal_title
Neuroscience lettersauthors
Oliveri M,Vicario CM,Salerno S,Koch G,Turriziani P,Mangano R,Chillemi G,Caltagirone Cdoi
10.1016/j.neulet.2008.04.051subject
Has Abstractpub_date
2008-06-27 00:00:00pages
308-11issue
3eissn
0304-3940issn
1872-7972pii
S0304-3940(08)00539-9journal_volume
438pub_type
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