Typical Neural Representations of Action Verbs Develop without Vision
Open Access
- 7 June 2011
- journal article
- research article
- Published by Oxford University Press (OUP) in Cerebral Cortex
- Vol. 22 (2), 286-293
- https://doi.org/10.1093/cercor/bhr081
Abstract
Many empiricist theories hold that concepts are composed of sensory–motor primitives. For example, the meaning of the word “run” is in part a visual image of running. If action concepts are partly visual, then the concepts of congenitally blind individuals should be altered in that they lack these visual features. We compared semantic judgments and neural activity during action verb comprehension in congenitally blind and sighted individuals. Participants made similarity judgments about pairs of nouns and verbs that varied in the visual motion they conveyed. Blind adults showed the same pattern of similarity judgments as sighted adults. We identified the left middle temporal gyrus (lMTG) brain region that putatively stores visual–motion features relevant to action verbs. The functional profile and location of this region was identical in sighted and congenitally blind individuals. Furthermore, the lMTG was more active for all verbs than nouns, irrespective of visual–motion features. We conclude that the lMTG contains abstract representations of verb meanings rather than visual–motion images. Our data suggest that conceptual brain regions are not altered by the sensory modality of learning.This publication has 77 references indexed in Scilit:
- Growing up blind does not change the neural bases of Theory of MindProceedings of the National Academy of Sciences of the United States of America, 2009
- Grasping Ideas with the Motor System: Semantic Somatotopy in Idiom ComprehensionCerebral Cortex, 2008
- Concepts Are More than Percepts: The Case of Action VerbsJournal of Neuroscience, 2008
- Grounded CognitionAnnual Review of Psychology, 2008
- Visual word processing and experiential origins of functional selectivity in human extrastriate cortexProceedings of the National Academy of Sciences of the United States of America, 2007
- Transcranial magnetic stimulation of the occipital pole interferes with verbal processing in blind subjectsNature Neuroscience, 2004
- Early ‘visual’ cortex activation correlates with superior verbal memory performance in the blindNature Neuroscience, 2003
- Grounding conceptual knowledge in modality-specific systemsTrends in Cognitive Sciences, 2003
- MULTIMODAL REPRESENTATION OF SPACE IN THE POSTERIOR PARIETAL CORTEX AND ITS USE IN PLANNING MOVEMENTSAnnual Review of Neuroscience, 1997
- From concepts to lexical itemsCognition, 1992