Abstract：
:Number is a complex category, as with the word "number" we may refer to different entities. First, it is a perceptual property that characterizes any set of individual items, namely its cardinality. The ability to extract the (approximate) cardinality of sets is almost universal in the animal domain and present in humans since birth. In primates, posterior parietal cortex seems to be a crucial site for this ability, even if the degree of selectivity of numerical representations in parietal cortex reported to date appears much lower compared to that of other semantic categories in the ventral stream. Number can also be intended as a mathematical object, which we humans use to count, measure, and order: a (verbal or visual) symbol that stands for the cardinality of a set, the intensity of a continuous quantity or the position of an item on a list. Evidence points to a convergence towards parietal cortex for the semantic coding of numerical symbols and to the bilateral occipitotemporal cortex for the shape coding of Arabic digits and other number symbols.
journal_name
Neuropsychologiajournal_title
Neuropsychologiaauthors
Piazza M,Eger Edoi
10.1016/j.neuropsychologia.2015.09.025subject
Has Abstractpub_date
2016-03-01 00:00:00pages
257-273eissn
0028-3932issn
1873-3514pii
S0028-3932(15)30169-Xjournal_volume
83pub_type
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