Abstract

The present paper evaluates the effect of visual deprivation on the organization and retrieval of conceptual knowledge. The experimental study used the release from proactive interference (PI-release) paradigm. Early onset blind (EOB) and sighted (S) subjects were tested with this task and additional visual and nonvisual property retrieval cues. PI-release results showed that the visual cue was less effective for EOB individuals than for S individuals, whereas the nonvisual cue was similarly effective for EOB individuals and S individuals. Results support a grounded view of cognition where the organization of conceptual knowledge depends on the role that sensory and motor channels play in its acquisition.

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