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The role of perceptual discriminability, associativity, and verbal labels on intra- and cross-modal shape recognition
Abstract
Research which has compared recognition performance for shape under conditions of vision and touch has typically found that recognition using touch is substantially poorer than that using vision. However, this research has seldom examined the role that cognitive factors such as stimulus associativity and labeling play in accounting for this difference, nor has this research typically examined the underlying perceptual structures of the stimuli used to determine why these differences exist. The following experiments set out to integrate these variables in order to determine their joint effects upon recognition. Results indicate that associativity and labeling of stimuli differentially affect intra- and cross-modal recognition of objects, both real and non-representative. In addition, the current research also demonstrates that perceptual non-equivalence among stimuli for vision and touch also accounts for variability in recognition performance. Finally, this research addresses the finding that both the type of stimuli chosen and task used can also drive recognition performance differences between the two modalities. In summary, research comparing the processing of shape/object information among vision and touch needs to account for differences in cognitive factors, such as associativity and labeling, as well as perceptual factors (i.e. the extent to which stimuli used are perceptually equivalent between vision and touch).
Subject Area
Cognitive therapy|Psychology|Experiments
Recommended Citation
Phillips, William L, "The role of perceptual discriminability, associativity, and verbal labels on intra- and cross-modal shape recognition" (1997). ETD collection for University of Nebraska-Lincoln. AAI9805521.
https://digitalcommons.unl.edu/dissertations/AAI9805521