期刊
NEUROPSYCHOLOGICAL TRENDS
卷 -, 期 32, 页码 7-27出版社
LED EDIZIONI UNIV
DOI: 10.7358/neur-2022-032-faye
关键词
numerical cognition; numerical magnitude; material magnitude; right hemisphere
类别
资金
- ANR (Agence Nationale pour la Recherche) [ANR-14-CE30-0015-01]
This study tested the main prediction of ATOM by examining right brain-damaged patients, left brain-damaged patients, and healthy subjects on different magnitude estimation tasks. Contrary to the prediction, the results showed partial independence between the different forms of magnitude estimation processing.
In this study, we tested the main prediction derived from the A Theory Of Magnitude or ATOM, according to which discrete (e.g., numbers) and continuous (e.g., space, material) magnitudes are processed within the right hemisphere. To do so, we examined 11 right brain-damaged patients, 19 left brain-damaged patients, and 30 healthy subjects on different tasks assessing magnitude estimation: symbolic and non-symbolic numerical magnitude as well as spatial (i.e., length) and material (i.e., weight) magnitude. Contrary to the ATOM's predictions, we did not find significant correlations between all the magnitude estimation tasks in right brain-damaged patients. Correlations between numerical and length magnitudes were found in left brain-damaged patients and healthy subjects. Our results support the existence of a partial independence between the different forms of magnitude estimation processing.
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