Modulating attentional load affects numerosity estimation: evidence against a pre-attentive subitizing mechanism.

Traditionally, the visual enumeration of a small number of items (1 to about 4), referred to as subitizing, has been thought of as a parallel and pre-attentive process and functionally different from the serial attentive enumeration of larger numerosities. We tested this hypothesis by employing a du...

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Bibliographic Details
Main Authors: Petra Vetter, Brian Butterworth, Bahador Bahrami
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2008-09-01
Series:PLoS ONE
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/18813345/?tool=EBI