Common substrate for mental arithmetic and finger representation in the parietal cortex

Andres, Michaël; Michaux, Nicolas; Pesenti, Mauro

doi:10.1016/j.neuroimage.2012.05.047

Cited by 100 publications

(78 citation statements)

References 91 publications

(117 reference statements)

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“…Specifically, we chose the parietal and frontal ROIs, as these areas have been repeatedly activated in previous numerical studies (Ansari et al, 2006;Arsalidou and Taylor, 2011;Bulthé et al, 2014;Cohen Kadosh and Walsh, 2009;Cohen Kadosh et al, 2007Damarla and Just, 2013;Eger et al, 2003Eger et al, , 2009Harvey et al, 2013;Hubbard et al, 2005;Nieder et al, 2006;Piazza et al, 2006Piazza et al, , 2007. We chose a grasping related ROI because embodied cognition suggests that we encode information using the sensory and motor representations that were employed during acquisition of that information; hence, the representation of numerosities might share a neural basis with hand movements (Andres et al, 2012;Fischer, 2012). Also, neurons in the anterior IPS have been found to code for the number of arm movements in monkeys (Sawamura et al, 2002) and to be susceptible to numerical-spatial interference effects (Koten et al, 2011).…”

Section: Extra Roismentioning

confidence: 99%

Dissociating estimation from comparison and response eliminates parietal involvement in sequential numerosity perception

2015

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Section: Extra Roismentioning

confidence: 99%

Dissociating estimation from comparison and response eliminates parietal involvement in sequential numerosity perception

2015

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“…In multiple studies, it has been shown that finger sense (Fayol et al 1998;Noel 2005) and fine motor ability (Luo et al 2007) predict mathematical performance in young children. Additionally, finger and number processing were found to use overlapping neural resources both in adults (Andres et al 2012;Rusconi et al 2005;Zago et al 2001) and in children (Krinzinger et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Anatomically ordered tapping interferes more with one-digit addition than two-digit addition: a dual-task fMRI study

Soylu

Newman

2015

Cogn Process

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Fingers are used as canonical representations for numbers across cultures. In previous imaging studies, it was shown that arithmetic processing activates neural resources that are known to participate in finger movements. Additionally, in one dual-task study, it was shown that anatomically ordered finger tapping disrupts addition and subtraction more than multiplication, possibly due to a long-lasting effect of early finger counting experiences on the neural correlates and organization of addition and subtraction processes. How arithmetic task difficulty and tapping complexity affect the concurrent performance is still unclear. If early finger counting experiences have bearing on the neural correlates of arithmetic in adults, then one would expect anatomically and non-anatomically ordered tapping to have different interference effects, given that finger counting is usually anatomically ordered. To unravel these issues, we studied how (1) arithmetic task difficulty and (2) the complexity of the finger tapping sequence (anatomical vs. non-anatomical ordering) affect concurrent performance and use of key neural circuits using a mixed block/event-related dual-task fMRI design with adult participants. The results suggest that complexity of the tapping sequence modulates interference on addition, and that one-digit addition (fact retrieval), compared to two-digit addition (calculation), is more affected from anatomically ordered tapping. The region-of-interest analysis showed higher left angular gyrus BOLD response for one-digit compared to two-digit addition, and in no-tapping conditions than dual tapping conditions. The results support a specific association between addition fact retrieval and anatomically ordered finger movements in adults, possibly due to finger counting strategies that deploy anatomically ordered finger movements early in the development.

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“…A commonly ascribed function of the intraparietal sulcus is in supporting numeracy and arithmetic [30][31][32], which Champod and Petrides [27] argued also fit within their informational manipulation hypothesis. However, Mr A's performance on the WAIS-IV arithmetic subtest indicated preserved arithmetic ability.…”

Section: Discussionmentioning

confidence: 89%

“…First, the intraparietal sulcus is not amongst the regions of the brain implicated in body integrity identity disorder in terms of changed structure [7] or function [9]. Whilst evidence from fMRI studies do suggest an involvement of the posterior superior parietal lobule in arithmetic [30,31], temporary disruptions to the functioning of this region with Transcranial Magnetic Stimulation have failed to elicit decrements in the performance of mathematical tasks [31]. Thus, the neural region specifically implicated in body integrity identity disorder might not heavily impact performance on arithmetic tests, which is consistent with the current findings.…”

Section: Discussionmentioning

confidence: 99%

“…The second level of perspective for the relative preservation of arithmetic in Mr A can be found in light of the literature on embodied cognition, given the research which has specifically investigated numeracy and arithmetic with regards to the representation and use of fingers [30,[33][34][35]. By contrast, Mr A's undesired body part was a portion of his left leg.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

A Neurocognitive Assessment of a Patient with Body Integrity Identity Disorder

Sumner¹,

Castle²,

Kaplan³

et al. 2015

Int J Clin Case Stud

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Objective: Body integrity identity disorder is characterized by a desire to obtain a physical disability, often in the form of amputation. To date, we are aware of no comprehensive investigations of neurocognition in body integrity identity disorder. Method: We report a comprehensive neurocognitive workup of an individual (Mr A), who presented with a longstanding and intense desire to amputate his left leg. Results: In comparison to four demographically matched healthy controls, Mr A exhibited impairment in working memory, with some evidence of additional difficulties with long-term memory. Conclusions: His neurocognitive weaknesses are inline with altered functioning within the superior parietal lobule, which has been implicated in the pathophysiology of body integrity identity disorder.

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Common substrate for mental arithmetic and finger representation in the parietal cortex

Cited by 100 publications

References 91 publications

Dissociating estimation from comparison and response eliminates parietal involvement in sequential numerosity perception

Dissociating estimation from comparison and response eliminates parietal involvement in sequential numerosity perception

Anatomically ordered tapping interferes more with one-digit addition than two-digit addition: a dual-task fMRI study

A Neurocognitive Assessment of a Patient with Body Integrity Identity Disorder

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