The Neural Mechanisms of Parallel Individuation and Numerical Approximation

Chicago, IL · May 2022

Poster · Cognitive

Jean Tang-Lonardo
Teachers College, Columbia University
Nick Bisbee
Johns Hopkins University
Maitri Jain
Teachers College, Columbia University
Erin Kirby
Teachers College, Columbia University
Sadra Gerami
Teachers College, Columbia University
Melissa Coffel
Teachers College, Columbia University
Daniela Sezcon-Cepeda
Teachers College, Columbia University
Kai Gilchrist
Teachers College, Columbia University
Samah Abdelrahim
Teachers College, Columbia University
Sungbong Kim
ICESCO (Islamic World Educational, Scientific, and Culture Organization)
Peter Gordon
Teachers College, Columbia University

Abstract

This EEG study investigated the neural basis of perceiving small (1~3) and large-numbers (4+). Participants viewed stimuli containing 1~6 dots, pressing a key whenever they detect a change. Parietal-occipital-temporal junction analyses revealed that cardinality modulated the N170. A later positivity (LP) linked to change detection was modulated by numerical ratio.

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The Neural Mechanisms of Parallel Individuation and Numerical Approximation

Abstract

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