Position Flexibility Across Letters and Morphemes.
Abstract: This study examines position information for letters and morphemes in visual word recognition. Experiment 1 investigates letter position at morpheme boundaries in vowel-initial and consonant-initial suffixed words using the transposed letter (TL) priming effect. Results of the masked prime lexical decision task show a TL priming advantage for vowel-initial suffixed words and consonant-initial ... read moresuffixed words across the morpheme boundary. In our exploration of morpheme position, Experiments 2 and 3 evaluate three theories of suffix position coding: categorical coding (suffixes are only recognized following a root), coarse coding (suffixes are recognized equally well in a range positions) and gradient coding (suffixes are more likely to be recognized the closer they are to the end of the root). Experiment 2 compares latency to reject nonwords with real suffixes appearing as either the final, medial, or initial syllable (e.g., forgetment, formentget, mentforget) to those with orthographically similar control suffixes (e.g., forgetmant, formantget, mantforget). Experiment 3 replicates Experiment 2 but uses orthographically dissimilar control suffixes (e.g., forgetponk, forponkget, ponkforget). In both experiments suffixes are only recognized in word-final position, supporting the categorical theory of suffix position coding.
Thesis (M.S.)--Tufts University, 2015.
Submitted to the Dept. of Psychology.
Advisor: Ariel Cohen-Goldberg.
Committee: Phillip Holcomb, and Davide Crepaldi.
Keywords: Cognitive psychology, Linguistics, and Psychology.read less