Because sign languages have two main articulators, signers simultaneously experience both possibilities and constraints in the articulation and perception of linguistic messages. Sign languages commonly convey different linguistic units with each hand, and additional information is conveyed in nonmanual signals. Meaningful perseverations (or sign…

Verbs of motion and location in Irish Sign Language have a characteristic lexicalization pattern, which influences the lexical choices signers make in denoting the motion and location of entities. Perceived characteristics of referents govern the type of verb root selected. Animate and inanimate referents are signified by different types of verb…