Dissociable mechanisms of subitizing and counting: neuropsychological evidence from simultanagnosic patients.

By Stanislas Dehaene, Leonardo G. Cohen. 1994

Subfields: Neuroscience, Cognitive Science & Psychology

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Citations in the corpus

Perceptual awareness and its loss in unilateral neglect and extinction. (2001, result): “…change in outcome seems consistent with evidence in normals that enumerating a few (#4) visual elements may exploit speciaìsubitizing' mechanisms (Dehaene & Cohen, 1994; Mandler & Shebo, 1982), which allow individual elements to be processed together`preattentively' as a single numerable group…”
Time and cognitive load in working memory. (2007, background): “…(4) or canonical dice patterns (::), assuming that each of these forms allows a direct access to stored representations in longterm memory (see Dehaene, 1992, and Dehaene & Cohen, 1995, for number words and Arabic digits, Mandler and Shebo,1982, for canonical dice-like configurations of dots).”
Quantitative Estimation: One, Two, or Three Abilities? (2003, background): “The perspective is perhaps best represented in the work of Deheane (e.g., Dehaene, 1992, 1997; Dehaene & Cohen, 1991, 1994) and Butterworth (1999).”
Subitizing requires attention (2008, background): “The functional distinction between subitizing and counting has also been supported by neuropsychological evidence from patients who were severely impaired at counting larger numbers, but who were unimpaired at quantifying within the range of one to three items (Dehaene & Cohen, 1994 ).”
Précis of The Number Sense (2001, unknown): “beyond ( Dehaene & Cohen, 1994; Mandler & Shebo, 1982).”
Symbols and quantities in parietal cortex: elements of a mathematical theory of number representation and manipulation (2007, background): “An alternative possibility , however, is that subitizing merely represents performance at the lower, most precise end of the number line continuum (Mandler and Shebo, 1982; Dehaene and Cohen, 1994; Cordes et al., 2001; Piazza et al., 2003).”
Spontaneous Focusing on Numerosity and Mathematical Skills of Young Children. (2005, unknown): “This might indicate not only well documented differences in quantification systems for small and large sets (e.g. Dehaene & Cohen, 1994; Kaufman, Lord, Reese, & Volkman, 1949; Sathian et al., 1999), but also the need for versatile and long-term practice in counting.”
Subitizing or counting as possible screening variables for learning disabilities in mathematics education or learning (2009, background): “There are several different theories attempting to explain number processing and subitizing (Alston & Humphreys, 2004; Cowan, 2001; Dehaene & Cohen, 1994; Gallistel & Gelman, 1992, 2000; Logan & Zbrodoff, 2003; Piazza et al., 2006).”
Effort during visual search and counting: Insights from pupillometry (2007, methodology): “In addition, counting demands accurate spatial memory for locations visited (Dehaene & Cohen, 1994), which is likely to place heavy, and increasing, demands on processing resources; hence quite substantial pupil dilation may be expected from the start of a trial, with this increasing until response.”
Are Subitizing and Counting Implemented as Separate or Functionally Overlapping Processes? (2002, methodology): “In fact, when numerosity 1–4 and 6–9 are presented as mixed trials, RTs are not always so dramatically dichotomically distributed, even if the difference in slopes for subitizing and counting seems to be present (Oyama et al., 1981; Frick, 1987; Trick and Pylyshyn, 1993, 1994; Dehaene and Cohen, 199”